Stragent, LLC et al v. Classmates Online, Inc. et al

Filing 70

MOTION to Dismiss for Failure to State a Claim (FRCP 2(b)(6) Based on the Failure of teh Patent-in-Suit to Claim Patentable Subject Matter Under 35 U.S.C. §101 by Classmates Online, Inc.. (Attachments: # 1 Appendix 1, # 2 Affidavit of Victor de Gyarfas, # 3 Exhibit A to de Gyarfas Decl, # 4 Exhibit B to de Gyarfas Decl, # 5 Exhibit C to de Gyarfas Decl, # 6 Exhibit D to de Gyarfas Decl, # 7 Exhibit E to de Gyarfas Decl, # 8 Exhibit F to de Gyarfas Decl, # 9 Exhibit G to de Gyarfas Decl, # 10 Exhibit H to de Gyarfas Decl, # 11 Exhibit I to de Gyarfas Decl, # 12 Exhibit J to de Gyarfas Decl, # 13 Exhibit K to de Gyarfas Decl, # 14 Exhibit L to de Gyarfas Decl, # 15 Text of Proposed Order)(Robinson, William)

Stragent, LLC et al v. Classmates Online, Inc. et al

Doc. 70 Att. 3

EXHIBIT A
Dockets.Justia.com

Case 6:10-cv-00242-LED Document 17-1

Filed 0 8 / 2 0 / 1 0 P a g e 1 0 1 2 8

IN T H E UNITED S T A T E S D I S T R l C f C O U R T F O R T H E EASTERN D I S T R l C f O F TEXAS T Y L E R DIVISION STRAGENT, LLC and SEESAW FOUNDA n O N ,
Plaintiffs,

§ §
§
C i v i l A c t i o n N o . 6 : IO-CV-242-LED

v.
C L A S S M A T E S O N L I N E , INC., e t ,,/.,
Defendants_

§ § § § § § §

J U R Y T R I A L DEMANDED

F I R S T AMENDED C O M P L A I N T F O R P A T E N T I N F R I N G E M E N T

EXHIBIT A

Case 6 : 1 0 - c v - 0 0 2 4 2 - L E D

<") United States P a t e n t
Elliott

(10) . ' a l e n l
(45)

No.: US 6,665,722 8 1 Oatc of Patent: Dec. 16, 2003

(54) STORE·AND·I"ORWARI) ) ' A C K E T RADIO SYSTEl\1 A N D M E T H o n
(75)
(73)

[nvtnlor:

U r i g & , r n l l n l E l l i o t t , Arlington. M A
(US)

5.9tUJl'lO 6,OIR.522 6,034,'/70 6,()4(1.7&J

A A A A b.l)..l7.1"~ A b.2J0.Q12 III

1111'199 Aoki . 1 / 2 ( 0 ) Schultz .lI2OOO u v o c et "I. 3/2000 lI"uvcner CI " I . 412000 AJlde""",n 512001 Willkie N nl.

455'41l.l 37()/4Jl .. J70/400 3401825 ..11 455/400 -\551435.1

A<,.<;igncc; 8 8 N T Solutions L l C . Cambridge. M A (US)

· c i l e d o y <:x:amincr

( .)

NOlilx:

Subject to an)' disclaimer. t h e term o f Ihi!; p u c n t is Cltlcndcd o r adjUSlCd under 3 5 U S . c . 154{h) h y J&.l d a y s .

Primary'l:xlUllint'r-Krisoa Lim (74) .-.nOf'I'Ie)'. Ageru, O f ' F i m r - - L : o n a r d Cbarles S U d l y t 3 ; J a m c ~ K. W e l l e !

(57)

AR3TRACf

(21)
(22) (51) (52)

AppJ. N o . : 0 9 / S S J . J . 5 2

Fik:tl:
Inl. CI.'

M a y 31. 2000

U.s.CI.

(58)

............... G 0 6 F 15116; I I 0 4 L 12!"..8 . . . . . . . . . . . . . . . . . 7 0 9 / 2 2 7 ; 7091245; 3 7 0 / 3 8 9 ; 3701392; .HO/432; 3 7 0 / 4 7 1 FMd u r Sl."drch JOW127, 245;

370/389,392.432.471
(56)
Rl'fl'n!ncc.~ Cillod

U.S. PATENT D O C U M E N T S

5.5lP.ooo A
5.970Jl59 , \ 5.978,386 , \

4{1996 C l l > c . l a n d t . . ..·...· 37O,'4(lI) 1l}'19QQ ,~IIO n 31 37W3J8 11I199Q l b m : l l a i n t · .,13J. ..···.. J7(V~

A c o m m u n i c a t i o n ! k \ ' i c ' e s e n d s I mes.'i.1ge 10 ODe o r m o r e n:cipicrll.$ i n I COmmUll;calions l k : l w o r k . ' ! b e COlIImu.nicl.lion OC\'icc fClriC\\:S d e v i c e i d e n l i f i c r s f r o m I . IISl o f ocvi<.:c idcntificl'l' s t o r e d in a n l e m o r y o f t h e d e v i c e . l l 1 e d e v i c e idenlificrs include audio. pictorial and/or video dala. Tbe I : o m m u n i c a l i o n deviL'<: prcscnLS llle a u d i o . pi<.:turial arJd/llr v i d e o d a l a to a u s e r o f t h e d e v i c e in a u d i l o r y o r v i s u a l f o n n ( 1 3 W ) a n d l h e n r e c e i v e s u:scr inpul in r e s p o n s e 10 l b e pre.s<:l1led d a l a (1325). ' [ l I e o o m m u n i c a l i o n d e v i c e d c s i g n3tes a s e c o n d c o m m u n i c a l i o n dcviL-e 3S a d e s l i n a l i o n for t b e m e s s a g e b~'\O,:d n n lire u s e r input (1336). ' I l l e I : o r n m u n i c a t i o n d e v i c e t h e n 5Cnd.~ t b c m e s s a g e 10 l b e sc(:ond I : o m m u n i c a l i o n tkvK:e.

4H C l a i m s . 17 I>rnwlng ShC'ets

,.
COMPARES SE~N(l
DESTINA'flON OE'IlCe
~E'S

,m
/

M Y_lINIQIJE""O Wffi1 IllENI1flERS

IN oeVlCe 10 USl

OEVICE F l r c e N ! S

""""" , ' m

No

Case 6:10-cv-00242-LED D o c u m e n l 1 7 - 1

Filed 0 8 / 2 0 / 1 0 Page 3 o f 28

U.S. Patent

Dee. 16,2003

Sheet I o f 17

US 6,665,722 B l

FIG. 1

PRIOR ART

FIG. 2

PRIOR ART

Case 6:10-cv-00242-LED Document 17-1

Filed 0 8 / 2 0 / 1 0 Page 4 o f 28

U.S. Patent
305

Dec. Hi, 2003

Sheet 2 o f 17

US 6,665,722 B I

"i" "
345

31~

31~

320
INPUT
DEVICE BUS 340

WIRELESS TRANSCEIVER I -

,

OUTPUT
DEVICE

VIBRATION TRAN$DUCER

I
PROCESSING !.NT

/
I
RAM

I
ROM

...l
350'

DIA

IVD MICROPHONE

:Js

JJb

-d

SPEAKER

I
360

'" "-

355

I
365

FIG. 3

r-.....
410

~
MY_UNIQUEJD MYJD FRIEND ID_M1

-t-I

. -.

r.'.....-

-----

.-All 5

...... 4 1 5

F R I E N D J D MN RECEIVED MSG_M1

...... 4 20

...
RECEIVED_MSG MN OUTGOING MSG M1

...
OllTGOING_MSQJN

"

V

4 25

FIG. 4

SPEECH_DATA M1

.. .
SPEECH_DAT"""MN

...... 1--'

43 0

'--

Case 6: 10-cv-00242-LED Document 17-1

Filed 0 8 / 2 0 / 1 0 Page 5 0128

U.S. P a t e n t

Dec_ 16,2003

Sheet 3 o f 17

US 6,665,722 B l

415

FIG. 5
515
1

520
1

MY

UNIQU~..JD

.. .

11

MY_tO 11

...
MY_IO I N
I

MY UNIQUE-lO I N

' - -_ __ _. . " . . - 525 -

530.--/

420

FIG. 6

~5 I
...

---------------520
I I

RECEIVEOJdSG_#l 605

f

615---

MY_UNtOUE...JO_#l
MY_UNlQU~JD_#N
I

MY_ID_#l

MESSAGE_DATA_#l

...
MY_tO_IN
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. ..
MESSAGE_DATA_#N
I

"------------....-----------'
RECEIVEO_MSG_#N 810

525

530

620

425

= -~ .--A-.-. r--------- ----------." OUTGOING_MSG_lt1 705

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...
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MESSAGE_DATA_#N MY_UNIQUE_ID_#N 620 525

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.= ..

Case 6:10-cv-00242-LED Document 17-1

Filed 0 8 / 2 0 / 1 0 Page 7 o f 28

U.S. Patent

Dec. 1 6 , 2 0 0 3

Sheet 5 o f 17

US 6,665,722 B l

805

810

815

820

825

830

I

I

I
SEND

I
NEXT

I
10

I
DISCARD
D

RECORD PLAY

MOO

USER INTERFACE

FIG. 8

845

FIG. 9

930

Case 6:10-cv-00242-LED D o c u m e n t 17-1

Filed 0 8 / 2 0 / 1 0 Page 8 o f 2 8

U.S. Patent

Dec. 16, 2003

Sheet 6 of 17

US 6,665,722 B l

START

IN1T1AlIZATlON

No

Yes

No

Yes

1015 "

DEVICE RECORDS A N D STORE DATA INPUT AS MY_UNIQUE..JD

No

Yes

FIG. to

~

Case 6:1O-cv-00242-LED Document 17-1

Filed 08/20/10 Page 9 o f 2 8

U.S. P a t e n t

Dec. 1 6 , 2 0 0 3

Sheet 7 o f 17

US 6,665,722 B l

INTFlODUCTlON

START

No

Yes

No

Yes

1115

SENDING D E V I C E MY_UNIQUE_ID A N D MY_ID

"

TRANSMITS

1120 "

DESTINATIO DEVICE R E C E I V E S D A T A F R O M SENDING DEVICE? Yes

No

1125 "

DESTINATION D E V I C E ALERTS OPERATOR O F R E C B P T O F D A T A FROM SENDING D E V I C E

1

FIG. 11

Case 6 : 1 0 - c v - 0 0 2 4 2 - L E D D o c u m e n t 17-1

F i l e d 08120/10 P a g e 1 0 o f 2 8

U.S. Patent

Dec. 1 6 , 2 0 0 3

Sheet 8 o f 17

US 6,665,722 B l

INTRODUCTION
1205

1

"
1210

.-o.a!.FUNCTtO
SELECTED?

No

Yes
DESTINATION DEVICE OUTPUTS SPEECH_DATA_*, AND MY_ID

"

Yes

1220

DESTINAT10N DEVICE STORES SENDING DEVICE'S MY_UNIQUE_ID AS MY_UNIQUE_ID_*, AND MY_ID AS M Y_ID_fIx

"

DESTINATION DEVICE D I S C A R D S RECEIVED D A T A

1225

/

o

Yes

F I G . 12

Case 6:10-cv-00242-LED Document 17-1

Filed 0 8 / 2 0 / 1 0 Page 11 o f 28

U.S. Patent

Dec. 16,2003

Sheet 9 o f 17

US 6,665,722 B l

F I G . 13

o
Yes

3

Case 6:10-cv-00242-LED Document 17-1

Filed 08/20/10 Page 12 o f 28

U.S. Patent

Dec. 16,2003

Sheet 10 o f 17

US 6,665,722 B l
3

RECORDING A MESSAGE

No

1410

Ves

'DEVICE PLAVS RECORDED MESSAGE

No

Ves

Ves

1430

'-

DEVICE QUEUES MESSAGE

F I G . 14

Case 6:10-cv-00242-LED Document 17-1

Filed 08/20/10 Page 13 o f 28

U.S. Patent
SENDING A MESSAGE

Dec. 1 6 , 2 0 0 3

S h e e t \ I o f 17

US 6,665,722 B l

START
1515

1505

SENDING DEVICE SENDS PROBE MESSAGE TO IDENTIFIED DEVICE(S)

SENDING DEVICE WAITS A PERIOD OF TlME

No

Yes 1520 ....... SENDING DEVICE FORMS WIRELESS UNK WITH RESPONDING DESTINATION DEVICE

1525 .......

SENDING DEVICE TRANSMITS OUTGOING_MSG_#Ix TO DESTINATION DEVICE(S)

No

Yes

F I G . IS

cb

Case 6:10-cv-00242-LED Document 17-1

Filed 08120110 Page 14 o f 28

U.S. Patent

Dec. 1 6 , 2 0 0 3

Sheet L2 o f 17

US 6,665,722 B l

SENDING A MESSAGE

4

i
1605

........

SENDING DEVICE MARKS OUTGOING MESSAGE AS DELIVERED

1610

........

SENDING DEVICE DELETES OUTGOING MESSAGE

(

END

F I G . 16

Case 6:10-cv-00242-LED Document 17-1

Filed 08120110 Page 15 o f 28

U.S. P a t e n t

Dec. 16, 2003

Sheet 13 o f 17

US 6,665,722 8 1

RECEIVING A MESSAGE

START

1705
DESTINATION D E V I C E RECEIVES R O B E MESSAGE?

No

Yes

1720
DESTINATION DEVICE C O M P A R E S S E N D I N G DEVICE'S MY_UNIQUE_ID WITH IDENTlAER'S IN DEVICE 10 U S T

/
D E S T I N A T I O N DEVICE S E N D S NON-

AUTHORIZATION
MESSAGE

Yes

: , : · · , · · l ,

1725

/'
1735

'-

DESTINATION DEVICE R E S P O N D S WITH AUTHORIZATION MESSAGE

D E S T I N A T I O N DEVICE RESPONDS WITH

AUTHORIZATION
MESSAGE

No

Yes

Yes

eb

FIG.!7

c1

Case 6 : 1 0 - c v - 0 0 2 4 2 - L E D

Documenl17-1

Filed 08/20/10 Page 16 of 28

U.S. P a t e n t

Dec. 1 6 , 2 0 0 3

Sheet 140117

US 6,665,722 B1

RECEIVING A MESSAGE

1810 DESTINATION DEVICE " ALERTS USER MESSAGE W A S RECEIVED

DESTINATION DEVICE 1805 FDRWARDS MESSAGE , / TO INTENDED DESTINATION

1820

Yes

DESTINATION DEVICE PLAYS SENDING DEVICE'S MY_ID . - -_ _= = : : ' : : = = = - , 1 8 2 S DESTlNATlON DEVICE P l A Y S SENDING DEVICE'S MESSAGUATA..JIX

"

F I G . 18

I

No,--+<
1640

I
Yes 1850

"
Yes

TOAG.13

o
Yes

No

Yes

1645

~

"

DESTINATION DEVICE DEUETES SENDING DEVICE'S RECEIVED..J,1SG_1x

8

Case 6:10-cv-00242-LED Document 17-1

Filed 08/20/10 Page 17 o f 28

U.S. P a t e n t

Dec. 16,2003

Sheet 15 o f 17

US 6,665,722 B I

RECEIVING A MESSAGE 1905 " DESTINATION DEVICE A D D S S E L E C T E D FRIEND_ID A S DESTINATION 10 IN OUTGOING MESSAGE

>--Yes---I

No

Yes

+
1920

"

DESTINATION DEVICE a u E U E S OUTGOING MESSAGE FOR DEUVERY

FIG. 19

Case 6:10-cv-00242-LED Document 17-1

Filed 08/20/10 Page 18 o f 2 8

U.S. P a t e n t

Dec. 16.2003

Sheet 16 o f 17

US 6,665.722 H I

AE-INITIAUZAllON

START

No

Yes

Yes
2015 "

DEVICE D t S C A R D S A RECEIVED M E S S A G E

2020

"
Yes

No

~
F I G . 20

Case 6:10-cv-00242-LED Document 17-1

Filec 0 8 / 2 0 / 1 0 P a g e 1 9 o f 2 8

U.S. P a t e n t

Hcc.16,2003

Sheet 1 7 0 f t 7

US 6,665,722 B I

RE-NTlAlJZAllON
10

2105

""

Jl2 FUNCTION
SELECTED?

Yes

No

Yes
2115
DEVICE DISCARDS IDENTIAER

""

No

Yes

~
F I G . 21

Case 6:10-cv-00242-LED Document 17-1

Filed 08/20/10 Page 20 o f 28

US 6,665,722 Bl
I
STORF.-AND-FORWARn PACKET R A I l I O

2

1 l J e r e f o r c . t h e n : u i S l s : l need for a s y s t e m m d m e t h o d l h a t e n a h l e s d a t a c o m m u n i c a t i o n n e t " " c e n d , w i c e s in a SYSTEM ANI) METHOD m o b i k wirclcs.., n d w u r k , w h e r e Ibe u s e r o f I s e w i n g device: need o n l y i n d i c a t e d a t a t b a l is to b e t r a n s m i u e d a n d lhe ~lEU) O F "1l1E I N V E N T I O N 5 d e s t i n a t i o n node t o w h i e h Ibe dalJ. is t o he tr:J.n~mil1ed, and lhe s e n d i n g d e v i c e a u t o m a t i c a l l y allcntl,l~ tralL'lmission o f T h e present invention relates generally to packet radio lh,; d a t a to the d e s t i n a t i o n d e v i c e , i n c l u d i n g re·lransmi-.sion Ilcl\Vork.~ a n d , more parti<,:ularly. 10 s y s t e m s ami mClhod~ for al1cmpts i f lhe d e s t i n a t i o n dcviC1; is o u t o f tran'lmissioll p r o v i d i n g i m p r o v e d uscr.fricm.lly p a c k e t d e l i v e r y l c e h r a n g e , l u m e d olT, o r o f f - l i n e . nUl lies in m o h i l c packet ral!io n e t w o r k s .

BACKGROUND OF n l E I N V E ! ' f I 1 0 N Wireless d"la communication is o flen required in an
e n v i r o n m e n t w b e r e OOOlmuniC1lliom i n f r 2 S l r u e t u r e . such a s ~ .slaliollS o r a w i r e d b a c k b o o c n e t w o r k , d o e s 001 exi:>t O f

'"
15

S U M M A R Y OF n l E I N V E N T I O N
S y s t e m s and m e l h o d s c o n s i s t e n t w i t h the p r c s c n l i n v e n tinn ~ lh~~ oced hy p r o v i d i n g a wirdcs.s. d e v i c e Ihat mJ.y s t o r e , a o d lbc:n f o r w a r d , JTlCS5aj;C$ 1 0 d e s t i n a t i o n d e v i c e s w h e n the: d e s t i n a t i o n d e v i c e s c o m e w i t h i n l f a I L " I l l i s s i n o n n b " : o f t h e w i « : k s s device:. I n aoL-ordaoce w i t b l b e p I l t p O $ e o f tbe: i n . e n l i o o a l i e m l x x l i e d and b r o a d l y d e s c r i b e d h e r e i n . a m e t h o d for i n l m d o c i n g a fil'Sl c o m m u n i c : u i o n d e v i c e 10 a s e c o n d c o m m u n i · c a l i o n d e v k ' e in a o o m m u n i c : u i o n nc:lwork i n c l u d e s l r . l n s m i l l i n g a mc''''~agc from tbe first c o m m u n i c a t i o n d e v i c e . T h e mes.~age i n c l u d e s p r e s e n t a t i o n data t h a t f u r t h e r i n c l u d e s al least o n e o f a u d i o , p i c t o r i a l a n d vick:o data rcp«:scll1ing an idelilily o f the lirst l"Ommunieation d e v i c e . l b e sc<."Ooo \-'Ommunicatioll d e v i c e re~""Cives l h e Illcs.'lage and e x t r a e t s the p r e s e n t a t i o n d a t a f r o m tbc m e s s a g e . ' I l i e So:l'Ond l'Ommunic a l i o n d<,;vi<x 1'fl:.SCnL'l l h e pr<:st:nlalWn d a t a tu a u s e r o f l h e s e c o n d c o m m u n i c a l i o n dc\"1cc in a u d i l o r y o r v i s u a l form and l'l;;I..'!:i\'cs use;:r inpUI in response;: t o l h e prescnlation_ T h e s e c o n d c o m m u n i c a t i o o dcvice: l h e n SIOl\::!i l h e p r e s e n t a t i o n d a t a i o memory in t h e s e c o n d c o m m u n i c a l i o n d e v i c e b a s e d o n Ill<: uscr input. I n a n o t h e r implemenL1lioo con...ishml w i t b the prcsenl i n \ ' e n l i o n , a m e t h o d u f p r o v i d i n g a n i d t : n t i l i e r fur a \ - ' O m m u n i c ; u i o n d e v i c e i o d u d e : s i n p u t t i n g a t ! e a s t o n e o f audilOr)'. pit:toriJ.I a n d vidt:o i n f o r m a t i o n i n t o l h e l ' O f f i m u n i a l i o n d e v i c e : m d c o n \ ' l i : r t i n g lhe a u d i t o r y , p i c l o c i a l a o o \ ' K k ' O i n f o r m a l i o n inlO d e v i c c i d e o t i l i e r d:Il · . ' [ b e mctOOd f u r t h e r i n c l u d e s s t o r i n g the (Io:vicc i d e n t i f l e r dala in a m e m o r y o f said communicalion device. In a f u r t h e r i m p l e m e n t a t i o n <.'OlIsiSlcm w i t h l h e p r e s e n l iovCnlion, a m e l h o d o f s e n d i n g a m e s s a g e 10 olle o r more r e c i p i e m s in a l ' O m m u n i c a t i o n s n e t w o r k i n c l u d e s r e t r i e v i n g deVK."C i d e n t i f i e r s from a list o f d e v i c e iclentifien; s t o r e d in a m e m o r y o f a first c o m m u n i c a t i o n devi<.'\:. ' I l i e clevie;: iden_ tifier.; i n c l u d e .:tt lea .... o n e o f a u d i o , p;<;tofi.:tl and v i d e o d a l a . 1 l J e m e l h o d f u n h e r i n c l u d e s ~ n l i n g the a u d i o . p i d o r i a l a n d v i d r o d a t a 10 a u s e r o f the first c o m m u n i c a t i o n dt:vice in a u d i l o r y o r " i s u a l f o r m a n d l'l:ce:iving usc:r i n p u t in rc:spoosc t o s a i d p r e s e n t l t i o o . l b e m e l b o d a d d i t i o n a l l y i n c l u d e s desi g n a l i n g a sct:OOd o o m m u n i c a l i o o d e \ i c c : as a dc.stination f o r l b e m e s s a g e b u e d o n s a i d u s c r i n p u l a n d seDding l h e m e s s a g e t o l h e sc<''OIId c o m m u n i c a l i o o dcv;""l:.

is u n e c o n o m i c " " o r impractical

10

usc. For cxampk:. io

m i l i t a r y 01'" cmergo:ncy envimolTl(:nl~ a d e q u a t e infr ...'.iolrudun: o f t c n d o c s 001 e x i s t in o c c e s s a r y I o a . t i o u s a n d coO$ltuCling s u c h an infraslruL1.un: w o u k l b e d l l x r impGlclical O f u n c : w n o m i c a l for I h e s h o r t - t e r m \I.'iC: Ihal is o r l e n r e q u i r e d . M o b i l e wireless networks, w h i c h permil communication Ixtwccll wil\:1css d e v i c e s io the OI:lwork OYer an a i r inlerfa~.. l i n k . w i l h o u t routing packets through a n y p o n i o n o f a c o n v e n · l i o n a l t... l l u l a r n e t w o r k , s u c h a s the w i r e d b a c k b o n e n e t w o r k . blLw s t a t i o n c o n t r o l l e r s , o r b a s e s t a l i o n s . have t h e r e f o r e b<:en d e v e k ' p e d t o p r o v i d e wirele..... l.Iala c o m m u n i c a t i o n s in s u c h environmen\.S. I'l.Iinl·lo·poinl c o m m u l l i c a t w n in a m o b i l e wirelo:....." n e t · w o r k s u f f e r s from a n u m b e r o f d i s a d v a n t a g e s . O n c d i . w \ ' a n l a g e is Ihe l i m i t e d IransmiS!!Oivo ranJ:,'C ".".-.:.ocialed w i t h e a c h w i r e l e s s d e v i c e in t h e n e l w o r k . E a c b w i r e l e s s d e v i c e in tbe IlCtwork is l i m i l c d in l b e diSlancc o v e r w b i c h il c a n rcli.:tbly l r a n s m i t , w i t h t n n s m i s s i o n rmge:s ofbet~en a f e w feel a n d h u n d r e d s o f fC:C:1 b e i n g t y p i c a l . T h e r e f o r e . il i s o f t e n lhe c a s e t h a t a ~un_ c wirelo:s.. dl:vice is OUI o f tra.nsm~"'\fl r a n g e w i t b a dcslin.:ttioo wi~kss d e v i o : w i t h w h i c h thl: SOIlr\-'!: (k:vi~ dL.-..in:s 1 0 oommunic.:tle. T h e 5OU['(.'!: w i r e l e s s d e v i c e u s e r . l b e l d o n : . ha.<; 10 w a i t until Ihe d e s l i a a t i o n w i r e l e s s dcvit:e (1)llles w i t h i n transmis..<;ion r a n g e b e f o r e a u e m p t i n g to c o m m u n i t : a t e , o r re-tralL<;mitthe d a t a a l a l a t e r t i m e w h e n no a c k n o w l e d g m e n t i~ r c e c i v e d from Ihe d e s t i nat inn d e v i c e i n d i c a t i n g that the rJoovi<."C r e c e i v e d the l b t a from too s o u r c e deviLC . '

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15

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FIG, I i~ a d i a g r a m o f a two-ltOOe n e t w o r k i l l t m r a l i n g t h i s p r o b l e m , T h e illustrative n e t w o r k includc.~ a s o u r c e tlcvi<....: 115 and a d e s t i n a t i o n devi<.'!: 120. A.. s h o w n , <,;ach dcvio.: ( 1 1 5 . 1 2 0 ) h a s an d f e d i v e t r a n s m i s s i o n range d e l i n e a t e d b y doued t i o e s 105 aDd 110. r e s p e c t i w l y . S i n c e the t n n s m i s s i o n flIngc o f llOUfU: d c \ ' i c e 115 (dolled tine lOS) d o e s n o t ellC'OO1pass d e s t i n u i o n d e v i c e U O , d e v i c e 115 e.:t1lllOi c o m · m u n i c a t e w i t b DOdc: UO. D e v i c e US mUSl, thercfOfc:, move in c l o s c r p r o x i m i l y 10 d e v i c e UO 10 I x a b l e 10 t r a n s m i t d U a 10 devil..., 120. FIG. 2 iIIUs.lr:J.Ic.<; the silu.alion whcll: 5OUfU: device: 115 a o d d e s t i n a t i o n device: UO ha'~ m o w d w i t h i u lransmisl>ion r a n g e u f o n e a l l O l h c r . l \ s s h o w n , e a c h dc:vio.'I;'s ( II S. L20) effeeli\"C IrafL'>rllission r a n g e ( d e l i n c a l e d b y d o l l e d l i n e s 105 a n d rc.>;po:<.1ively) ellL'ompas.-;e.~ the o t h e r d e v i ..,=, I x v i c e s U S a n d 120. t h e r e f o r e . c a n c o m m u n i c a t e w i t h llach o t h e r . A n a d d i t i o n a l d~~advantage with p o i n t - l o - p o i n t l'Oll1mUn i c a l i o n in a m o b i l e wirelcs.~ IWlwork is that a soun."c d<lvice m a y I x u n a b l e to c o m m u n i c a l e wilh a l k s l i n a t i o n dllvice for a g i v e n p e r i o d o f t i m e b e c a u s e lhe d e s t i n a t i o n wirclc.-.s device: i s e i t h e r tumoo o f f o r in an o f f - l i n e s t a t u s . In th~~ ca.'iC. l h e u s e r o f the s o u r c e device: m u s t w a i l u n t i l t h . c d e s t i n a t i o n w i r e l e - ,.. r e l u r n s 10 a n o n - l i n e s t a l e , o r l u m s 0 0 , bt:fore a t t e m p t i n g oocc: a g a i n t o l r a n s m i l datI..

~s

50

55

uo,

B R i E l ' D E S C R I P T I O N O F 1 1 1 E DRAWINGS
T h e ael"Ompanying d r a w i n g s , w b i c h arc i n c o r p o r a t e d in and L'Olislilute a part o f t h i s sl'ecificJ.tioll, illustrate an e m b o d i m e n t o f t h e i m ' e n l i o n a n d , t o g e t b e r w i t h the 60 d""",,riplinn, e x p l a i n lh", i n v c n l i u n , In lh", dr~wing.~, F I G . 1 illustrate.<; 3n e x e m p l a r y I\<,;twork in w h i c h IWO w i r e l e s s d e v k e s arc located olltside o f o n e a n o t h e r ' s t r a n s · mis. . ion ranges; 65 A G . 2 il!uslratl:S an e x e m p l a r y n e t w o r k in w h i c h lWO wirelt:SS dl:viu:.~ ha\'l: r e l o c a l e d w i t h i n O D e l D O t b c r ' s l r a n s mission ranges:

Case 6:10-cv-00242-LED

Document 17-1

Filed 08/20/10 Page 21 o f 28

us 6,665,722 BI
3
H G . 3 illustrates an exemplary wirelcs.~ device ~'(Jnsistent with the present invention; FIG. 4 illustrates an exemplary database ~XJns~~tent with the present inv<:minn; FIG. 5 illuSlrates a list o f exemplary dcvi..-c identiliers collsist.:nt with the present illvention; FIG. 6 illustrates a list o f exemplary messages recciv.:d at a wireless devi<:e <''"Ollsistent with the present invention; FIG. 7 illustrat.:s a list u f exemplary oUlgoing messages that arc to b e transmitted from a wireless devi<:e ~"()nsiSlent with the prescnt invention; FIG. 8 illuSlrates a first exemplary user ill1erl"ae.: consistent with the present invention; FIG. 9 illustrates a second exemplary user interfa.."C eons~~tent with the prescnt invention; FIG. 10 illustrates an exemplary n o w diagram o f devi.."C initialization processing cons~~tcnt with the present invention; FIGS. 1 1 - 1 2 illustrate exemplary n o w diagrams o f device introduction prc.lI."Cs.<;ing consistent with Ihe present invention; FIGS. 1 3 - 1 4 illustrate exemplary n o w d i a g r a m s o f devi.."C processing for rcl:ording a mcssagc consistcnt with the present invention; FIGS. 1 5 - 1 6 illustrate exemplary !low d i a g r n m s o f device pn>l:es.~ing for s e n d i n g a message <.'"Onsistent with the present invention; FIGS. 1 7 - 1 9 illustrate exemplary n u w diagrams o f device processing for re .."Civing a mes.sage consistelll with the present invention; and FIGS. 2 0 - 2 1 illustrate exemplary n u w diagrams o f devk-.:: processing for reinitialization cofl<;istent with the present invention. DETAILED IJESCRJIYIlON The following detailed description o f the invention refers to the a~'"Companying drawings. The s a m e reference numbers in dilferent d r a w i n g s identify Ihe .s.1me or similar elcmen\.S. .w Also, the following dctailed description does not limit the invention. Instead, the scope o f the invention is defined by Ihe appended .:!JilIlS. Systems and methods consistent with the prescnt invention imprnve the delivery o f mcs.<;ages in wirele,;.<; networks 45 by permilling the temporary storage o f meS&1ges in a s e n d i n g devi.:\: f o l l o w e d b y t h e t r a n s m i s s i o n u r re-transmission o f the messages wheD the destination devi .. cs ~"()me wilhin Ihe Iransrnil>sion range o f the sending 50 devi<x. EXEMPLARY DEVICE FIG. 3 illustrates an excmplJry wireles.<; data <.'"Ommuni.:ations device JOO in which a system and method, consi.~te'll with lhc prescm invemion. for storing and forwarding mcs- 55 s a g e s can be implemented. EX':lllplary wireless device 3 0 0 m a y ~'Omprisc a c e l l u l a r p h o n e , a p e r s o n a l o r portable comjluter, a personal digital assistallt ( P D i \ ) o r the like. Wireless device .304.) includes an antenna 305, a wireless traM<.'eiver 310, an uutput device 3 L5. an input devi .." 320. 60 a proces.~ing unit 325. a Random Access Memory (RAM) 330, a Read O n l y Memory ( I W M ) 335, a bus 340, a vibration t r a n s d u c e r 3 4 5 , a d i g i t a l - t o - a n a l o g ( D / A ) .:onvcrter 350, an analog-to-digital ( N D ) converter 3 5 5 , a speaker 3 6 0 a'Kl a rnil:rnphol1e 365. 05 Anten,w ..lOS may include a .. ..,nventiullid antenna tlwi facilitates reception and transmission o f data packets by

4
wireless transceiver 310. WircIcs.<; traos,:civcr 3 1 0 may i n d u d e trafl'\Ceiver circuitry well k,JOwn to One skilled in the art thaI can b e lUlled to multiple chanileis re.s<:rved for Iransmining data in a wireless network (i.e., a channel can b e a frequency, code, or time division o f a physical radio frequency). Input device 3 2 0 permils entry o f dala into wireless devi~'"C JOO and i n d o d e s a u s e r interl"a~-.:: (not shown). Output device 315 permils the output o f data in video, audiu. or hard copy formal. Processing, unit 3 2 5 performs all data processing functions for inpul1ing, outpuning. and pfoces.~ing, o f data. RAM 3 3 0 provides semi-permanenl working storage o f data and instructions for usc by procl"ssing unit 325. ROM 335 provides permanent o r semipermanent storage ()f data and instructions for usc by proces.~ing unit 325. RAM 3 3 0 and ROM 3 3 5 may include large-.:apacilY sturage dcvi~'cs, such as a magnetic and/or optical rC<.-ording medium and its .. orresponding dri"e. Hus J.4(I inlerconnecl~ the various eomponenl~ o f the devi ..C 3 0 0 to permit the c o m p o n e n t s to " ""OfOmunieate with one allother. Vihration Iransuueer 345 includes a <.'Onventional mechanism for vibrating device .300 in response to IXlmmand signal<; from prOl."Cssing unit 325. Digil"l-to-analog ( D / A ) ..XJnverter 350 includes conventional cir<."'Uitry for .:onverting digilal audio signals from digital to analog signal form. A n a l o g - t o - d i g i t a l ( N D ) "'(Jnwrter 3 5 5 i n c l u d e s c o n v e n tional eir<."'Uitry for .."Onver1ing analog audio inpUi signals from miemplmne 3 6 5 to digital signal form. Sp.:"ker 360 includes a conventional mechallism for providing an auditory output o f the D / A <.unverted audio signals. Microphone 3 6 5 includes a ~"Onventional mechanism for converting auditory inpul into analog sign;,ls. EXEMPLARY DATAllA.<.;E FIG. 4 illustrates an exemplary database 400, consistent with the present invention, Ihat nUlY b e stored within R M I 3JO o f devi.:e 300. Database 4 0 0 may include device identBiers MY_UNIQUE~1D 4 0 5 and MY~JI) 4 1 0 for device 300, a l~st o f device identiliers 415 for w i r e l e s s d e v i.."Csother than device 31M) COlt~~sting o f F R I E N D _ I D _ # 1 through FRIEND~ID_#N, a list of m e s s a g e s 420 rc.:eived hy device 3 0 0 consisting o f RECEIVED MSG #1 through R E C E I V E D _ M S G I 3 #N, a list o f ut,tguing me"~:lges 425 thaI are queued for 1fansmis.~ion in RAM 3 3 0 o f dev;':e .300 . : u n s i s t i n g o f OUTGOING~MSG~#l I h r o u g h O U T G O I N G ~ M S G J N . and a list 4 3 0 o f speech data S I ' E E G L D A T i \ _ # 1 t h r o u g h SI'EECll~D/,:rA~#N. Device identilier MY ~UNIOUE~lD 405 may include a global identifier that uniquely identilies device 3 0 0 and may consist o f a unique series o f bytes that are machine-readable. Audio identifier MY - - I D 4 1 0 may include a recorded audio me,,~age thai p r o v i d e s " human-understandahle auditory identification for device 300. Each data block from list 430 may i n c l u d e s p e c l : h m e s s a g e s S I ' c E C H ~ I ) A T A ~ # 1 through SI'EECI '-DA:rA~#N that arc a.wx:iated with the operation o f device 300. For example, when a meS&1ge is received from another device, device 3 0 0 may play selected speech data from database 400, containing an auditory message " A mes.sage has been r e c e i v e d : ' 10 a user of the device 300. FIG. 5 further illustrates list 415 which may include device identifiers for other devices with which devioc .300 communi.:ates. l.ist 4 1 5 ..· o n s i s t s o f devil:e idenliflers FRIEND ID #1 5 0 5 through FRIEND ID #N 510. Eitch device identifier FRIEND_ID~#1 5 0 5 through F R I E N D - - I D J N 510 may include unique global identili-

5

10

IS

10

25

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Case 6:10-<:v-Q0242-LED Document 17-1

Filed 08120110 Page 2 2 o f 28

US 6,665,722 Bl

5
crs M Y _ U N I Q U E I D J l S l 5 through M Y _ U N I Q U E _ I O _ # N 5 2 5 Hul audit! idcntifll:lS M Y _11)_111 5 2 0 l t l r o u g , h

6
l i s l . l I S . D I S C A R D bUllon 8 3 0 , w h e n s e l e c l e d . d i s c a r d o ; a reCt:ived m ........-.age ( R E C E I V E O _ M S C i ) in list -120 o r a F R I E N D I I ) in l b e d e v i c e i d e n t i f i e r list 4 1 5 . S e l e c l i o n o f t h e I I ) b I I n o n 8 J S i n d i c a l e s tllal SIIbsequenl Il.'iCr input 10 d e v i c e .300 r e f e l 5 10 r e c e i v e d m e s s a g e list 420 o r a d e v i c e i d e n l i f i e r list . l I S . M S G b u n c o 840. w h e n d c p r c s s t d . indio c a l e s lhal s u b 5 e q u e n l Il.'iCr i n p u t t o d e v i c e JOO r e f e l 5 to oUlgoing m e s s a g e list 4 2 5 . F I G . ., ilIuslrale.'; a so.:cond e x e m p l a r y u s e r inlerfal"t: 9110 o f i n p u t dcvi,,~ 3 2 0 in w h i c h i n p u l u e v i c e 3 2 0 a n d OUlpul d ...v i c e . l I S m a y b o t h r e s i d e w i l h i n a vitleo t1isplay !)lIS. I n t e r f a c e 9 0 0 i o c l u d e s a g r a p h i c a l u s e r interfOlCe d i s p l a ) ' e d upon video display 90S and includes graphical display H h u l l o n s - ( s h o w n ..." H05-S-W) f o r s e l e c l i n g l h e variou." f u o c t i o n s d e s c r i b e d a b o v e w i t h r c s p e c I 10 R G . 8. ' [ b e g r a p h i c a l dispL:a)' HbLlllOns~ c a n b e !;elcl1cd u s i n g a m o v a b l e CUl5Or, a t o u c h s c n s i l i v e d i s p b y s c r c c n o r l h e l i k e . A d d i t i o n a l l y . u s e r i n t e r f a c e 9 0 0 c o n l a i n s d a l a field d i s p l a y s ( 9 1 0 . 9 1 S , 9 2 0 , 925) t h a t c a n be s c r o l l e d l h r o u g h . L1sing a s p e c i f i e d H b u l l o n : ' 10 s h o w lhe (."Omplcle c o n l e n l S o f d a l a c o n l a i n e d in liSlS . l I S , -120, -125, and 4 3 0 . TIle g r a p h i c a l d i s p l a y bUllons c a n aL<;o b e u s e d 10 s e l e c l ( h i g h l i g h l 9 3 0 ) a d a l a itelll. EXEMPLARY PROCESSING FOR INrnAUZAllON

MY

ID l i N 5 3 0 , r e s p e c t i v e l y . G l o b a l i d e n t i f i e r s

M Y _ U N I Q U L I I J J I 5 1 5 through M Y _ U N i Q U E _ I O _

I N 5 2 5 idelllify devices o l l x r than device 300. Audio 5 identifiers M V _ I D _ ' l through M Y _ I D J N I.'()mprisc rCL"'Ordcd a u d i o m e s s a g e s lhal c a n p r o v i d e h u m a n understandable aurJilory identifications for the devices KJcolili<:d

"y the glnhal idcrllificrs.

r I G . 6 illustrates M:civcd message lisl 420 includes 10
mcs. . n g c s l h a l h a v e I>ct:n receivctl from o t h e r dcvil'CS at

device JOO and stored in RAM 330. Each illdividual m e s u g e . RECEIVED_MSG_#I 60S through R E C E I V E D _ M S G _ # N t'ilO m a y .,:o\ls;'<;I. o f u n i q u e global i d e n t i f i e r s M Y _ U N I O U E _ I D _ # ! 5 1 5 t h r o u g h IS M Y U N I Q U E _ I D _ ' N S2S(~-ribcdaboVl;}.audio i d e n tificnli M Y _ I D _ ' I 5 2 0 I h r o u g h M Y _ I D _ ' N 5 3 0 ( d e s c r i b e d a b o v c ) . a n d mess.lgc d : u a MESSAGlLI)Al~ #1 61S t h r o u g h M E S S A G E _ D A T A . . . . I N 6 2 0 . r e s p e c t i v e l y . E a c h m e s s a g e M E S S A G E _ D A T A _ # I 6 1 5 l h r o u g h 10 ME.<;;Si\(jE._Di\TAJN 620. may consisl of audio. video. o r p i c t o r i a l d a l a w h i e h i n c l u d e s lh..: m e s s a g e f r o m a d c v k c o I l i e r l h a n de,"i,,'e 3 0 0 . FIG. 7 i I I u s t r a l e s Ol.ltgoing ml;.<osagc list 42.5 Ihal i n c l u d e

messages t h a t are w a i l i n g in q u e u e in R A M J 3 0 for lr:tOS- :.5
mis;.Kln t o a s e l e c l e d oJc:stinalKln d c v i c e ( s ) . Each individwol meuage. OUTGOING_MSG_MI 70S through OlJr(jOlNG~SCi-"N 7 1 0 . m a y \;onsr-t o f l h e g l o b a l device identifier MY U N I Q U e II).JOS and audio idenlil l e r M Y_ 1 0 . l I D o f d..:vi,,"t 3 0 0 , indica ling d e v i...., 3 0 0 a s t h e mCSliage sour,,"c. Each i n d i v i d u a l m e s s a g e f r o m list 42.5 aduiliOllally may ,:onsist or uni'lue global idenlilicrs M Y _ U N I Q U E _ J D _ # I SIS I h r o u g h M Y _ U N I Q U E - - - - - I D _ # N S2S ( d e s c r i b e d abew",) a n d a u d i o i d e n l i f i e r s M Y_ 1 0 _ # 1 520 I h r o u g h M Y -----ID_IN 5JO ( d c s a i b c d a b o v e ) iodiCliting the d e v i c e s 10 w h i c h u c h II'lCSS'gc is 10 1M: :s<.:OI. E a c h i n d i v i d u a l ~ g c f r o m list -125 f u n h e r m a y f u n h e r r o n s r - t o f a u d i o , v i d e o . o r pictori.lI rrK:M.agc d a t a M e s s A G E DATA_III 61S lhrough MESSAGE_DATA_#N 620 ( d e s c r i b e d a b o v c ) for e a c h r e s p e c t i v e device 10 w h i c h d e v i c e 3 0 0 is s e n d i n g dala. Furlhermore. each uutgoing message ha.~ a lield 7 1 S s l o r e d in d a l a b a s e -100 lhat i d e l u i f l e s w h e n a m e s s a g e h a s b e e n SIIcC\::;.sfully d e l i v e r e d to a n a p p r o p r i a t e device. EXEMI'I.ARY
US~R

F I G . 1 0 i.-. a f l o w c b a n o f S}'5lem p r n c u s i n g . lXHlSistenl w i l h l b e pn::>ent invenlKln. fOl" i n i t i a l i z i n g d e v i c e 3 0 0 . F o r purpcxses o f p r o v i d i n g a s p e c i f i c e x a m p l e i n t h c f o l l o w i n g 30 lIow chart,,- llSIiUlne thaI "Sal1y~ o p e r a l e s a s e n d i n g c.lcVK."" a n d "Jim~ o p e r a l e s a d....<;tinaliun d e v i c e , w i l h hOlh s e n d i n g a n d d e s t i n a t i o n d e v i c e s b e i n g subSlanlially s i m i l a r t o d e v i c e

300.
Iniliali7..alion l'OOsi'ilS o f d e v i c e p r o c e s s i n g for p e n c i l l i n g
J.5 a u s e r o f devkl,: JOO 10 CDler a n a u d i t o r y won! o r p b r u c lhal

~

~5

INTERfACl:.S

H G . S i l l u s t r a l e s a Iir-;,t c x c m p l a r y u s e r i n t e r f a c e 8 0 0 for i n p u t d e v i c c 3 2 0 o f device 300. U!!Cr i n t e r f a c e 8 0 0 m a y COll$is1 o f a n u m b e r o f bUllons di<>posed o n t h e ( X h : n o r 50 pao;:k.:lge 8 4 S o f devi(.\: 3 0 0 l h a t c a n be s e l e c l e d for l'Oolrol o f l h e operaliOll o f the dcviCt:. ' I n c s c bUI101ls i n c l u d e a n E C O R D h u l l o n KOS. a P l . A Y h u l l o n 8 1 0 . 3 S E N D b u t t o n 81.5, a N E X T bUII"'n 8 2 0 , a T O bUllon 82S, a D I S C A R I ) b u H o n 1 0 0 . a n II) bUlion 8JS, and a M S G bUllon S.w. H R E C O R D bUlIon 8 0 s i n i l i a t e S a n a u d i o r e c o r d i n g f u n c l i o n in w h i c h aLlditocy input t o m i c r o p h o n e J 6 S i s AID COQ\'cncd w d s t o r e d in R A M 3.lS. S e l e c t i o n o f t h e P L A Y bLlllon 8 1 0 i n i l i a l e s a p l a y b a c k fUIX.1ioo wh<:o:by l u d i o d a t a sloo::d in R A M 335 is r c l r i e ' ' e d , D f t \ c o n v c r h : d . a n d o u t p u t 60 l h r o u g h s p e a k e r 36U. S E N D S I S bIlllOO, w h e n s e l e c t e d , i n d i c a l e s l h a l a d e s i g n a l e d ml;.<;.sage i s to be t r a n s m i l l c d 10 a p 3 r l k u l a r d c s l i n a l i o n wirelcs-s c.lcvic(:. T h e N E X T bul10n 8 2 0 , w h e n :<elecled, i n d i c a l e s th311he u s e r w i s h e s 10 I'ffiI..'\)ecl 10 a nexl mCSSllge o r i d e n l i f i e r in a lisl o f m e s s a g e s o r 65 idcnliJiers. ScI.:"1ion o r t h e T O bUllon 825 iodi<:ales lh ... s c l o x t i o n o f .lin i d e n t i f i e r ( F R I E N D 1 0 ) in d e v i c e i d e n t i f i e r

b e used as t h e u s e r d e v i c e ' s a u d i o i d e n t i f i e r M Y_ I D 4 1 0 w i l e n c o m m u n i c a l i n g w i l h otIM:r dcvX:0e5. I ) e v i c e JOO first d e t e r m i n e s i f t h e I f ) b u l l o n 8JO h a s h c e n !iClected [.'it ... p 1005]. I f t h e I D billion h a s b e e n s e l e c l e d , lkvice JOO nexi d e l e r m i n e s i f the R E C O R D bUllun SOS h a s a l s u b<:en s e l e c l e d [ s t e p 1 0 1 0 ] . I f t h e IH~CORI) bUllon 80S ha.~ b e e n ...... l c d e d . Ihen a u d i l u r y inpul r c c e i v e d 31 m i c r o p h o n e 36!1 is a n a l o g - t o - d i g i l a l ..O n v e r t e d b y N I ) l'On,·crter 355 a n d ' l r a n s f e r r e d . v i a p r o c e s s i n g u n i l 3 2 ! ' i . 10 R A M 3 3 0 for SIOrage a s MY-----ID -110 [Slep l O I S ] . R E C O R D bUIlOll 80S c a n he d c · s e l e c t e d t o c n d t b e r e c o r d i n g prt:lCCSS ( s t c p 1 0 2 0 ] . T h u s . i f S a l l y o r J i m desire 10 initi.J.1ize t h e i r d e v i c e s . e a c h s e l e c t s the I D f u n c t i o n o n l h e i r d e v i c e a n d t b c n s e l e c t s l h e R E C O R D function. S l U y a n d J i m lhen s p e a k i d e n l i l i e r pluascs,. s u c h a s " S a l l y " o r H i m · ' i n t o m i c r o p o o l l ¢ 3 6 S . A f l e r J s p e a k i n g lhes.,: p h a s c s , S a l l y and J i m d e - s c l c l 1 1 h e R E C O R D f u n c t i o n o n l h e i r rc.."JlCelive d e v i c e s . Each o f S a l l y and J i m ' s w i r e l e s s l l e v i c e s r e s p e c t i v e l y SIOO: a u d i o i d e n l i l l e r s M Y II) 4 1 0 in m e m u r y .
.... 010

E X E M P L A R Y P R O C E S S I N G FOR INI1tUDUCnUNS H O S . 1 1 - 1 2 a r e l l o w e n a r t s o f s y S i e m pru<.:>:ssing. w n · s i s t e n t w i t h the p r e s e n t i n v e n t i o n , i n w h i c h t w o w i r e l e s s d e v i c e s . s u c h a s S a l l y ' s a n d J i m ' s d e ' " i c e s . arc - i n t r o d u c e d " 10 o n e a o o l h e r u s i n g a l w o - w a y - h a n d s h a k e " p r o t o c o l . lJ.cfore i n i l i a l i o n o f t h e "hand.~hakc'· proloc'Ol. the t w o wi,...,· I........~ d e v i c e s muS! lirs! he h r u u g h l w i l h i n l r a n s m i s s i o n r a n g e o f o n e a n o l h e r . O n c e l h e d e v i c e s a n : w i l h i n lransmi<;.'lion r~nge. a s e n d i n g devil"c d c l e r m i n e s i f l b e l.IcVK."c's ID bUllorJ l O S h a s b e e n s e l c c t e d ( s t e p UOS) ( f i G . I I ) . I f t h e I D

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US 6,665,722 BI 7
Ihl: M S G functiOll 8 4 0 . D e v i c e 3 0 0 t h e n r e t r i e v c s Ihe c u r r e n t l y indl:scd ( c . g .· illtlcx. . x) a u d i n iUcntitier ( M Y _ I D _ # x ) from list 41.5 and outpuL~ the identiJier 10 D / A c o n v e r t e r [~cp 1110). Sally may, lhus. Initiale the introdur.:lioll of bcr 3.50 a.nd spc.a.ker 3 6 0 [SlCp 1 3 1 0 ] . S a l l y ' s dcviL-.: retric\<es d e v i c e with J i m ' s d e v i c e by s e l e c t i n g the ID function ! U s uK! SEND fuOClion 815. 5 J i m ' s idelllifier M Y _ I D J I f r o m list 4 1 5 a n d p l a f $ l h e i d e l l l i l k r . Sa..lly b e a r s tbe p h r a s e - J i m . " O u c c 11M: SEND b i l l i o n 8105 Ius been selected. lhe sending dcviox transmit.. il~ M Y _ U N I Q U E _ I D 405, MY _ 1 0 410 I k v i c c 3 0 0 t h e n d e l c r m i n e s i f Ihe N E X T f u n c t i o n h a s ( e . g .. auditory phraso.: " S a l l y " ) , and an indication lhal lbc bl:en s e l e c t e d [ s t c p 1320]. I f so, d e v i c c 3 0 0 i n c r e m e n t s i n d e x x ( i . e . , x. . X + l ) [ s t e p 131.5] amI r e l u r n s 10 SICP 1310. In the t r a n s m i s s i u n i s an i d c n t i l k a t i u l l mes.';'I!;C [SlCp 1115]. W h e n the destination de\'icc: receives the identification me.'iSage 10 case o f J i m a n d Sally. J i m is l h e first i d e m i l l e r in list 41.5 a.nd f r o m l b e s e o d i n g d e v i c e [ s t e p I U O ] . t h e destiO.ltion d e v i c e Sally. l h e r c f n n : , does n o t need t o s e k : d lhe N E x r f u o c l i o n 8 2 0 . I f lhe N E X T fUllClion 8 1 0 h u n o t b e e n s e k c l e d . t h e n a k r n t h e user o f t h e dc51inalion d e v i c e o f Ibc receipt o f lhe d e v i c e 300 d e t e r m i n e s i f the 1 U f u n c t i o n 8"-5 b a s beeD me~ge (seep 1125]. T h i s alert c a n include aD audible meJ;,o;agc. sU<:b a s a c h i m e o r IJcI1 s o u n d , a n d / o r a " i h r . u i u n s e l e c t e d [ s t e p 1 3 2 5 ) . I f so, d e v i c e 3 0 0 s t o r e s l h e c u r r e n l l y o f Ihc dcvilX u s i n g vibration lran'>lluccr 3 4 5 . 15 i n d e x e d M Y _ U N I Q U E _ I O J x in a n o u t g o i n g mc .....SlIge [ s t e p 1.\30]. S i n c e S3[Jy w i s h e s II) s e n d 3 mes."age t o J i m . N l e r a l e r t i u g the uscr, Ihe ,lcSlinalion deviL'\: d c l e r m i n c s wbo:se ideulifier M Y - l D J I is c u r r e n t l y i n d c x e d . S a l l y i f lbe P L A Y b u l t o n tl10 bas b e e n s e l « : l e d [ s l e p 1205] ( A G . s d e c t s the ' m f u n c t i o n 82.5, 12). I f so. the d e s t i n a t i o n d e \ ' i c e r e t r i e v e .. s p e t e b d I l l S P E E C I I DATA.....Ix from d l t l b l 5 C 4 0 0 100 o u t p u l S the De\'ice 300 l b e o d e t e r m i n e s i f the NEXTfll1JClioo 8 2 0 b a s s p e e c h d a t I , a n d t h e n the s . : n d i n g d e y i c c ' s a u d i o i d e n l i l i e r .:0 a g a i n b e e n s e k : c t e d [ s t e p 1 3 J 5 l - l r so,do::vice 3 0 0 incremcDls index s ( i . e . , X _ x + I ) a n d r e t u r n s t n s l e p 1 3 1 0 1 0 p e r m i t the M Y _ I D 4 1 0 , t o N O c n n v e r t c r 3.50 aJld s p e a k e r 3 6 0 (Stcp u s e r t o send a m c s s a g e L'Onl-urrcntly to t w o o r m o r e t1cviL-cs. 1 2 1 0 ] , S P E E C H D M A # x m a y l'Qnsist o f an a u d i t o r y p h r a s c ."<Jeb a s " M a k i n g f r i e n d s wilh . . . " . In accorual"lC<: In the e x a m p l e , S a l l y w i s h e s to -Selll.l a. nJCSl>age ()lily to J i m , w i t h S1eps 1 1 0 5 - 1 2 1 0 , J i m m a y Ibus s e k c t the I ' L A Y tbcrl:forl:, S a l l y doe!! n o l s e l e c t tbe NE.XT fUIlCIiOll 8 2 0 . I f f u n c t i o n 8 1 0 in response 1 0 an a l e r t mc:ssage from hisdevicl:: ::5 l h e N E x r f u n c t i o n i s DOl s e k : c t e d , d e v i c e 300 d e t e r m i n e s i f a n d bear lbe a u d i t o r y r n c s s a g e s ~Making friends w i t h . . . ~ l b e R E C O R D f u n c t i o n 8 0 5 h I S b e e n .selected [Slep l J . W l l f a n d - S a l l y " L'Qrresponding 10 S P E E t ' L D A T A _ # X a n d Ibe so. a u d i t o r y Input recei\'cd .1 microphOlle 36.5 is a.nalog-toscnding device's MY_10410. d i g i t a l l'tlllvcnetl hy A , I l ) l'tl!l\'Cner 3.5.5 a n d lran.~f.:rred, vi3 p r o c e s s i n g u n i t 32.5, t o R A M 3 3 0 f o r s t o r a g e a s A f t e r li.<'!cning t o Ihe s e n d i n g d c v i l ' e ' s M Y II) 4 1 0 ( e . g . , phr:osc · · S a l l y " ) , lhe: u s e r u f l h e d e s l i n a t i u n deviL" t b e n m a y 30 M E S S A G E _ D A l i \ . . . . . # X [ 1 3 4 5 ] . D e v i c e 3 0 0 c n d s I h e r e c o r d i n g procc.."S a f l e r d e · s e l e c t i o n o f tbe R E C O R D funed e t e r m i n e w h e t h e r o r n o l t o X-ccpl t h e s e n d i n g d e v i c e a s a lioo SO.5 [Slep 13.50]. ·10 reuord · mcssa.ge f u r J i m , S a l l y ~friend."1f t b e u s e r s e l e c t s t h e D I S C A R D b u u o o /U.5 (Slep s . : l e c t s l b e R E C O R D f u o c t i o n 80.5. ~a~ i n t o m i c r o p h o o c : 1 2 1 5 1 then t b e dec;tination d e v i c e r e m o v e s f r o m R A M J 3 { l 3 6 5 , a n d dc:-.sclecl~ the R E C O R D funcliOlllro.5 w h e n s h e ba.~ the M Y _ U N I Q U E - l D 40.5 a n d M Y - - 1 0 4 1 0 d a t a reL-civ",d fwm Ihe s e n d i n g t1c\·icc [ s t e p 122.5]. If, h o w e v c r , the DIS- 3S tini!JIeti.

function 835 h a s bc<:l1 selected. the !K:nding d e v i c e next dclcrrninc.~ if the S E N D hUIl"n S I S has also hcCIl ~lcclcd

C A R D bUllon 8 3 5 i s n o t s e l e c l e d . the s c o o i n g d e v i c e ' s D e v i c e 3 0 0 next d e t e r m i n e s i f the I'LAY f u n c t i o n 8 1 0 b a s M Y _ U N I Q U E _ I D 4 0 5 a n d M Y _ I D 4 1 0 a n ; Sloccd i n lis!. b e e n SClcClcd [ s i e p 140.5] ( F I G . 14). I f S a l l y w b h c s 1 0 h e a r 41.5 o f t h e d u l i n a l i o n d e v i c e ' s R O M 33.5 a s tbe O1C.5.5Ige tha.I site h u rl:oordcd, s h e selcClS the PI.AY M Y _ U N I Q U E _ I D _ # X a n d M Y --ID~Ix, resp<:C1ively ~ fUOClion 8 1 0 . I f l b e PLAY fullClion 8 t u i s s e l c c t e d , d e v i u [Slep 1220]. 1 l l c r e f o r e , a f t e r b e a r i n g the p h r a s e s - M a k i n g 3 0 0 p l a y s r e c o r d e d messa.ge M E S S A G E - J ) A T A J x (.step f r i e n d s with . . . . . a n d " S a l l y . " J i m m a y al'l..'Cpt S a l l y a s a 1 4 1 0 ] . O n c e p l a y b a c k o f r e c o r d e d mcs.-.age M E S S A G E _ friend by n e g l e c t i n g to s e l c c i the D I S C A R D f u n c t i o n H3S. DAIi\.....#x c o m p l e t e s , o r t h e P L A Y fun<.:tion HIO is de-scleClcd [Slep 141.51 d e v i c e 3 0 0 d e t e n n i n e s i f Ihe T o c o m p l e t e Ihe - i o t r o d u c t i o n " p r o c e s s , lho.: d e s t i n a t i o u d e v i c e a i M pcrforrTL" ste~ 1105 ( r i G . I I ) I h m u g h 1 2 3 0 .-5 RE.CORO fUIICI;nn I«l5 t~ s c l e c l e d [ s t e p 1 4 2 0 ] . I f so, p r o cessing r e t u r n s l o . s t e p 1345 ( F I G . ( 3 ) f o r r l : - r c c o n l i n g o f ( A G . 12) e i t b c r .5imullancously w i l h , o r a.fter, the s e n d i n g m e s s a g e M E S S A G l : . _ D A I ' \ J x . In t b e e.ta.mple, i f Sa.lIy deyia::. A f l e r c o m p l e t i o n o f th.:sc- s t e p s b y b o t h llevi<.-cs, the choose. . not 10 re-rl:conl Ihe me:ssage a r l e r h e a r i n g h e r s c n d i n g a n d destinatiOll dt;vit;es c o m p k t e the " i n l r o d u c t i o n " r e c o r d e d m e s s a g e , s h e d o c s not !;clect the R E C O R D funeprocc.'>S w h e n the [ l ) !lullon 83.5 is d e - s c k c l e d al both d e v i c e s [ s t e p 1 2 3 0 ] . Sa.lly and J i m may, t h u s , o o m p l e t e the S!) tion 80.5. I f thc RE.CORO f u n c t i o n /l0.5 is not s e l e c t e d , "introtluClion~ pl'OCl:SS b y d c - s e k C l i n g the I D billiOns 1 0 5 . d e v i c e 3 0 0 d c l e r m i n e s i f the S E N D funeliOll 8 1 5 h a s b e e n s e l e c t e d [ s t e p 1 4 2 5 l [ f so. <Jevice 300 queue." M E . ' i . " i A G E _ B o t b S a . l l r · s d e \ ' i c e a n d J i m ' s d e v i c e n o w ["Cta.in t h e I)ATA I h in RAM 3 3 0 f o r s u b s c q u e m uansmi.5slon [S1ep M Y UNIQUE 1 0 40.5 a.nd M Y ID 4 1 0 o f e a c h I » h e r ' s tlCV;L'CS in m c m o r y . 1-&30]. S a l l y ' s rncssa.ge to J i m , t h e r e f o r e , is q u e u e d a s .~.~ O U T G Q I N G _ M S G - l k in d a t a b a s e 400. EXEMPLARY PROCESSING FOR RECORDING 'The e x e m p l a r y p r o c e s s i n g in the l l o w c h a r t ' l o f F I G S . A MES,"iAGE 13--14 illu.qratcs III<: l'Cl.'tlnling o f a u d i o inpul h y a deVM."'C A G S . U - - 1 4 a.re f1owcharl" o f s y s t e m pn'Jcc.<;,sing, CUIlUSo;:r for inclus.ion in a m e s s a g e . O n e s k i l l e d in the art w i l l sisleDi Wilh the pnesc:nt invl:ntion, i n w h i c h w i r e l e s s devil"l: a.pprcciale, howl;ver, t h a . l l h i s proct:Sl>ing ca.n b e r o o d i l i c d to 3 0 0 r e c o r d s a messa.ge. F o r p u ~ o f p r o v i d i n g a s p e c i f i c 60 i n c l u d e u s e r i n p u t s u c h I S v i d e o o r piclOria.1 da.la.. S u c h u.scr e x a m p k : , L<;sume thai S a l l y w i s h e s l o s c n d a mCSS3b'l: t o J i m , i n p u t c a n furlher i n c l u d e h a n d w r i n c n p i c t u r e s o r mc:.s'la.ges w i t h w h o m she h a s p r e v i o u s l y imrodUL'Cd h e r s e l f ( d e s c r i b e d u s i n g a d i g i t a l styllJ." a n d " t a b l e t : ' a.bove) a n d that J i m ' s a u d i o i d e n t i f i e r M Y [ 0 is the lirst E X E M l ' L A I t Y I ' R O C E S S I N G FOR S E N D I N G A idcntiGer s t o r e d in list 41.5 (l:.g., M Y _ I D J I ) . MESSAGE T o record a lTlCSSlIge, cJe,iicl:: 3 0 0 first d e t e n n i n e s i f l b e 6.'i M S G fUllCtion 8 4 0 h I S b c e n selc<.,c:d [ s t e p 1305J ( F I G . 13). I-1GS. 1 5 - 1 6 a n : f i o w d l a r l s o f s y ~ e m pnx.-.:ssing. r o o Sa.lIy dc.5ire.s t o s e n d a. m e s s a g e 10 J i m , l h e r e f o r c . s h e s c k e t s s i s l e n l w i t h the presenl i n \ ' e u l i a n . in w h i c h deyiL"I: 3 0 0

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9
transmits a message queued in RAM 3 3 0 10 a dcstination d e v i c e . As dcscrit><:d a b o v e . S a l l y ' s rncs.-age to J i m has lx:cll q u e u e d a s O U T G O I N G MSG Itx ill d a t a b a s e 400. T o initiale twnsOlissioll o f an o u t g o i n g message. the s e n d i n g
devk..:: !irS! s<:nds a p r o b e m e s s a g e t o the i d e n t i f i e d d c v i w ( s ) [ s t e p 1 5 0 5 ] ( F I G . 15). T h e probe m e s s a g e may i n c l u d e a r e q u e s t to s e n d J a t a 10 the d<:sli1l3lioll dcvil'C(.~). T h e s e n d i n g d e v i c e thell d e t e r m i n e s if the d e s t i n a t i o n d c v k c ( s ) rc...pollds w i t h a n aulhori7.alion mes.... ag..,(s) ( s t e p 1510]. T h e a u t h o r i zation m e s s a g e authori7.es the s c o d i n g devil"\: 10 s e n d tbe u a l a tu the d e s t i n a t i u n ( k " i c c . [1' the dcsiinaliull devit'e d u c s not respond w i t h a u t h o r i z a t i o n mcs.... age(s), th", s e n d i n g d c v k - c w a i l s a o o n l i g u r a b l c p e r i o d o f time b e f o r e scmJing a o o l h e r p r o b e m e s s a g e [ s t c p 1515]. T h e e o n l i g u r a b l e p e r i o d o f t i m e may b e p r e s e l by tbe m a n u f a c t u r e r o r sel by Ihe d e v i c e user. I f Ihe d e s t i n a l i o n d e v i c e ( s ) d o c s respond w i t h an aUlhorization me!>...age(s). t h e n lhe s e n d i n g d e v k e 3 0 0 e s l a b lish",s a l i n k - l a y e r w i r e l e s s ,;unnel:tioll w i t h the n:sp<.Hlding deviL"t: u s i n g o o n v e n t i u n a l m e c h a n i s m s [ s l e p 1520]. In the e x a m p l e , S a l l y ' s u<:vice Iransmils a probe message to .Ii'll'S d e v i c c , w h i c h resJXHlds with an authoriz.atinn mess a g e . In r e s p o n s e 10 receipl o f lhe aUlhorization m e s s a g c . S a l l y ' s llevice e s t a h l i s h e s a l i n k - l a y e r wirele ....... cOllllel:linn wilh J i m ' s device.
S

10
b e e n i n t r o d u c c d . the S a l l y ' s M Y _ U N I Q U E _ I D OOlltained in Ihe probe m"'ssage m a t c h e s an i d e n t i l i e r p r e v i o u s l y Slored in IL"1 415. J i m ' s d e " i c e th"'refurt: respond'! with an a u t h o riz.3tion message. O p l i o n a l l y , Ihe ll",slinalion Ucvic'" may respond w i l h an a U l h o r i z a l i o n m e s s a g e e v e n if l h c s c n l l i n g d e v i c e ' s M Y _ U N I Q U E _ l D d o c s not m a l c h a n y i d e n l i l i c r s in Ihe d e s t i n a l i o l l d e v i c e ' s list 4 1 5 [ s t e p 1725]. ' n t i s may ll<,) a l l v a m a g e o u s in a m u l l i - h o p w i r e l e s s n e l w o r k w h e r e p o i m to-poinl L"{lnnecli"ity 11'<:tween a s e n d i l l g d e v i c e and a d e s t i n a t i o n llcvi<-'!; may be i m p r a c t i c a b l e . TherefoIC. in s u c h a w i r e l e s s n e l w o r k , c a d d e v i c e in lhe ne twork may roull: m e s s a g e s , hop b y h o p , t o i n l e n l l e d d e s t i n a l i o n d e v i c e s . T o forward m~sagc." i n l e n d e d f o r o t h e r w i r e l e s s deviL""'''. Ihe u s e r o f the d e s t i n a l i o n may i n i t i a l e a " f o r w a r d i n g " m o d e . I f Ihe " f o r w a r d i n g " m o d e has been initiated. Ihe destination deviL"C rct."t:ives a m e s s a g e from the s e n d i n g u<:viee in r e s p o n s e 10 Iht" a u t h o r i z a l i o n m e s s a g e [ s l e p 1731l] a n d then forwar<b Ihe [CL-.;:ivcd m e s s a g e " n 10 til<,) i n t e n d e d d e s t i n a l i o n dcvIL'C [ s t e p 1 8 0 5 ] ( F I G . 18). [n the e x a m p l e , a s s u m i n g Ihat J i m ' s d e v i c e reccivt:S a mo;ssage from a d e v i w us.ed by B o b . a n d Ihe message i s intenlled for He nry. J i m ' s d e v i c e may f o r w a r d the m e s s a g e o n t o H e n r y ' s llevice. R e t u r n i n g t o s t e p 1715. Ihe d e s l i n a t i o n deviL"e d e t e r m i n e s i f lhe s e n d i n g u<:vice's M Y _ U N i Q U E _ I V m a l c h e s an i d e n l i l i e r w i l h i n list 415, I f s o , Ihe d e s t i n a l i o n llevice r e s p o n d s wilh an a u l h o r i z a l i o n m e s s a g e In lhe scnlling d e v i c e [ s l e p 1 7 3 5 ] . l n r e s p o n s e 10 the a u t h o r i z a l i o n mes."age. Ihe d e s t i n a t i o n d e v i c e 3 0 0 ICceives a mc.s.sage from the ;;cnlling d e v i c e [ s t e p 1 7 4 0 ] . T h e d e s l i n a t i o n d e v i c e a l e r t s t h e d e v i c e u s e r thai a me!>...age wa.s r e c e i v e d [ s t e p IHLU) ( F I G . HI). Th.e llestinalion l l e " i e e t h e n delt"rmines i f lhe PLAY bUU"n 8 1 0 has I x e n s d e c l e d [ s t e p UH5]. [f s o . thc d e s t i n a t i o n d e v i c e p l a y s t h e M Y _ I O _ # x anll ME..qSACiE_ DATA # x c o m a i n e d in Ihe m e s s a g e r e c e i v e d from the s e n d i n g d e v i c e ( R E e E I V E D ~ S G _ # x )[st",p IS20]. In Ihe e x a m p l e . J i m ' s llevice r e c e i v e s the m e s s a g e senl by S a l l y and Iben a l e r l s J i m Ihat the m e s s a g e has bt:en received. In ICsponse 10 Ihe alert. J i m s e l e c t s Ihe PLAY fuoction HLll anll listens 10 S a l l y ' s M Y _ I D aullio i d e n l i l i e r and S a l l y ' s m e s sage MESSAGE_DATILl#x. 111e d e s t i n a l i o n d~vice u s c r Ihen m a y !la"e Ihe following oplions: I ) m a i n l a i n lhe m e s s a g e in m e m o r y ; 2) delele Ihe m",ss;r!!-e; 3 ) reply 10 Ihe m e s s a g e ; o r 4) forward lhe mc."'sage o n 10 o t h e r llevices. "lbe u<:slination u<:vice d e t e r m i n e s i f l h e M S G b u u o n S4t1 has bt:cn s e l e c t e d i n d i e a l i n g thai the u s e r dc.sir"'s 10 f o r w a r d Ihe m e s s a g e o n 10 anoth"'r devicc(s) [ s t e p 1830]. I f nol. t h e n l h c d e s l i n a l i o n l l e v i e e d c t e r m i n c s i f t h c R E C O R D h u t l o n 8 0 5 h a s h e e n s e l e c l e d indicatin£. t l t a t t h e u s e r d e s i r e s to r e p l y t o Ihe receivell me!>.~age ( s l e p 1835]. I f lbe R E C O R D b u l l u n 8 0 5 h.~" bc",n . ;clecte\l, then lite d e s t i · nation d e v i c e p e r m i t " the LL~r 10 r e p l y 10 the rne.s.sage by p " ' r f o r m i n g m e s s a g e reL'Ording proL'Cssing b e g i n n i n g al s t e p 1325 o f F i G . 13. Ilowt"ver. i f Ihe R E C O R D b u t l o n H05 has not b e e n s e l e c t e d . l h e n the d e s t i n a l i o n d e v i c e d e l e r m i n e s i f Ihe D I S C A R D funclion S 3 0 has lx:en seleclell [ s l e p 1840] i n d i c a t i n g Ihat Ihe u s e r d e s i r e s 10 u<:lcte the received meSs a g e . I f Ille D l S C A R D f u n d i o n 8 3 0 has not heen s e l e c t e d , the m e s s a g e r e c e i v i n g p r u c c s s i n g is c o m p l c t e l l , w i t h Ihe deviL'!; IClaining Ihe r e c e i v e d m e s s a g e in memory, I f Ihe D I S C A R D funclion 8 3 0 has been s e l e c l e d . Ihe dc.~linalion d e v i c e d e l e l e s Ihe s e n d i n g llevk"C's I t E C E I V E D _ M S G _ # X from m<:mory {step 1845]. If, al sl",l' 1830, Ihe d e s l i n a l i o n d e v i c e d e l e r m i n e s that the M S G b u t t o n 8 4 0 h a s b e e n s e k c t e d . lhen the l l e s l i n a t i o n d e v i c e ll\:rrnilS tile u s e r lu forward Ihe messi'ge 10 u l h e r devil:es b y c o n t i n u i n g p r o c e s s i n g al s l e p 18.54l. At this Slep,

10

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20

A f t e r eSlablishing lhe w i r e l e s s L'Onneclion, Ihe scnlling d e v i c e 3 0 0 I r a n s m i l s an o u t g o i n g m e s s a g e ( O U T G O I N G _ M S G _ # x ) i n c l u l l i n g MY~UNiQUE~ID 4 0 5 . M Y _ I D 410, anll me!>.'<age llala M E S S A G E _ D A T A J x [ s l e p 1525]. S a l l y ' s lleviL"t: w o u l d Iherefore Iransmil Ihe oUlgoing m e s 30 s a g e ( O U T G O I N G _ M S G - - - . # x ) q u e u e d in the m e m o r y o f Ihe d<:vice. A f l e r t r a n s m i s s i o n o f the message, the s e n l l i n g u<:viee await", receipl o f a p o s i l i v e a e k n o w l e l l g m e n l from the llesl i n a l i o n llevi<X:. inllicaling thai the d e s t i n a t i o n llevil:c s u e - 35 e c s s f u l l y ICL"t:i"ed the mc."''<age [ s i e p 1530}. Onl:e rel:eivell, Ih", s e n d i n g deviL'C m a r k s (Helll 715 in d a t a b a s e 4 ( 0 ) the I r m " m i l t e d m"",,-,;age as d e l i v e r e d [.... Iep 1605] ( f ' l G . 16). ' [ l t e s e n d i n g d e v i c e t h c n m a y o p l i o n a l l y llelele Ihe Iransmilled m e s s a g e from d a t a b a s e 4()0 [ s l e p 1610]. In Ihc e.xample. - l ( ) S a l l y ' s deviL-e a w a i t " . a f t e r I r a n s m i l l i n g O U T G O I N G _ M S G J x . reeeipi o f Ihe positive acknowlcllgmenl from J i m ' s llevice. W h e n the a c k n o w l e d g m e n l is reL'!;iv.:d, S a l l y ' s llevk"t: m a r k s Ihe Iransmilled mc.'!SJgt" a s d e l i v e r e d in lield 7 1 5 o f d a l a l " l s c -uKl. 45 EXEMPLARY PROCESSiNG f O R RECEIVING A MEs-'<;'AGE f i G S . 1 7 - 1 9 arc f l o w c h a r l s o f s y s t e m proce!>'''ing. L"OnsLslenl w i l h the p r e s e n t i n v e m i o n . for receiving a m e s s a g e at a d e s t i n a t i o n d e v i c e . ' I n e deslination d.:vico.: r e c e i v e s a probe m e s s a g e from the s e n l l i n g llevicc inllicating t h a t the s e n d i n g d e v i c e w i s h e s 10 t r a n s m i t a me!>... a g e 10 Ihe lleslinalion d e v i w ( s l e p 1705J ( A G . 17). T h e d e s l i n a l i o n d e v i c e Ihen c o m p a r e s the M Y _ U N I Q U I : : _ l L > w n t a i n e d in 100 probe m e s s a g e from lhe s e n d i n g d e v i c e with the idenli/1cr.s m n t a i n e d in Ihe u<:slinaliun d e v i c e ' s lisl 4 1 5 [ s t e p 1710]. If the s e n d i n g d e v i c e ' s M Y _ U N I Q U E _ I D m a l c h e s an i d e n t i f i e r w i t h i n li.,t 4 1 5 [ s t e p 1715J. then the d e s t i n a t i o n d e v i c e r e s p o n d s w i l h all a u t h o r i z a l i o n message 10 Ihe s e n d i n g d e v i c e [ s l e p I 7 3 5 ] . I f no m a t c h is found, Ihe d e s l i n a l i o n deviL'" r e s p o n d s w i l h " non·arrlhoriz.tlion message 10 Ihe s e n l l i n g llevice [ s l e p 1721l]. Th.e lIOn-authorization mes.sage i n d i c a l e s Ibal lhe d e s t i n a t i o n d e v i c e will 0 0 1 a c c e p l a mc.ss a g e from the s e n d i n g devi<-"C. In Ihe e x a m p l e , J i m ' s d e v i c e r e c e i v e s a probe Ill<:ss"ge from S a l l y ' s devico.:. SinL"C J i m anll Sally have p r e v i o u s l y 50

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FRIIlND ID as a des(ioal~ identifier in message (S{ep 1 9 ( 5 ) (FIG. 19).

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do:vi ..'.e dCICrmllJd if t h e S E N D f u n c t i o n IUS b a s bo::cll s e l e c t e d [!>ICP 1 9 1 5 ] . I f t h e S E N D fum.1ion 8 1 5 h a s Oc:CII

T h e d e s l i n a l i o n d e \ ' i c e t h e n d e t e r m i n e s if t h e N e X T fUIK:tion 8 2 0 h:L'I been !lClc:ctcd [l>l.ep 1 9 1 0 ) indiClUiog l l a l Ill<: dcyic>c u s e r ck:siO:li 10 s c l e a a n o t b c r d e v i c e 10 receive t h e forwudOO mcs-"lIgc. If s o . t h e destination device COIltinues p n x = s i n g . u Sl.ep 1850 (I'lG. 18). I r nOI.tben lhe destination 10

selected, the destination device queues the omgoiog mcss a g e ( u r SUb>;cquclll d e l i v e r y [ s t e p 1 9 2 0 ) (sct: ··MC>;.S;lgc

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m",ulOry. i n s t e a d o f r e p l y i n g tu tIll: m e s s a g t o r f o r w a r d i n g Ihe m t s s a g e , a n d t h e r e f o r e s e l t c l s l h e D I S C A R D f u n c t i o n
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E X E M P L A R Y P R O C E S S I N G F O R REINI11AUZI"I10N F I G S . ! ( ) - 2 L a r e J l o w c h a n s o f s y s l C m proce."Sing, c o n · si. .. e n t w i l h the p~<;cnt in\"Cmion. f o r r e - i n i l i a l i 7 i n g d e v i c e 300. A user o f device 300 may wisb to rc-initializc device 3 0 0 b y r e m o v i n g M Y _ U N I Q U E _ I D 4 0 5 aDd a l l r c : u : i v e d mesugcs lRECEIVED MSG_II 60S Ibrough R l : : C E I V E D - . M S G J N 6 1 0 ) t h a t h a " e b e e o s 1 0 r e d in d a t a · b a s e -400. T o rc-initialiZle. d e v i c e 3 0 0 d e t e r m i o e s i f the M S G f u n c t i o n l O S ha.~ b e e n s e l e c t e d b ) ' t b e d e " i c e U S « ( s t e p 2 0 0 5 ] ( F I G . 2 0 ) . I f 5 0 . d c v k - c 3 0 0 determinc:.~ i f l h e D I S C A R D buttOll 8 3 0 h a s f u n b c r b e e n s e l e c t e d (SlCp 2 0 1 0 J i n d i c a t i n g t h a t 100 u s e r ~irc." tt.> d e l e t e 3 r e l X i v e d IT'Ie''.<<age f r o m mclllO£}'. I f t h e D I S C A R D b u l l o n 8 3 0 h a s b e e n "."I....,ted, devi(.'\: 3 0 0 d d c t e s a CUrTcDt r c u : i v e d mCS/!.:lgc ( R E C E I V E D - . M S G J x ) s t o r e d in d a t a b a s e 4 0 0 [ s t e p 2 0 1 5 ] . D c " i l X 300 t h e n d e t e r m i n e s i f t b e m e s s a g e d & " 3 r d t d i s t h e laS! re;,:o:;i\'cd nlc.<;Sage (s1ep 2 0 2 0 ] . I f n o t , p r o c e s s i n g r e t u r n s to SH.:p 2 0 1 0 . [n the e x a m p l e , J i m m a y p a r t i a l l y r e - i n i t i a l i z t h i s d e v i c e b y Ilrst s e l e c t i n g t h e M S G f u n c t i o n l l - l O a n d t h e n r e p e a t e d l y s d " c t i n g the D I S C A R D f u m ; t i o n 1130 u n t i l a l l o f the r e c " i v e d m " s s a g e s h a v e b!.:en delel<;d from m t m o r y . '10 r e · i n i l i a l i ? e t h e d c \ · i c e id<.\ntillers (FRIEND~[)Jl 5 0 S - F R I E N D 1D IfN S I O ) . dcvi(.x: 3 0 0 d e t e r m i n c s i f I h " u s e r h a s selc<.:ted the 1 0 fUn<:tion 8 3 5 (!>lep 2 L 0 5 ] ( F I ( i . 2 1 ) . I f s o . devilX 3 0 0 next d e t e r m i n e s i f the DISCARD bullon 1 0 0 h a s b l x n selCl:tcd. indicalill1: I h a l the de\·i(."C u s c r d c s i r e s to delete a device identifier from memory (step 2110). If so. d e v i l X 3 0 0 d e l e t e s 1 c u r r e n t F R I E N D _ I D _ h : i o lis! ~1S [s1ep H 1 5 ] . D e v i c e 3 0 0 coo<:tu~ ( C · i n i t i a l i z a t i o o p r o c e s s i o g w h e n t b e m o s t f l : o : n t l y d e l e t e d i d e n t i f i e r i s t b e Ia..~ i d e n t i f i e r in lis! ~15 ( s t e p 2121)). 10 t h e c u m p k , J i m m a y c o m p l e t e tbe r c - i n i l i a l i z a t i o o o f h i s de"ice b y !lC:lQCling t b e I D fuoc;.1ion 8 3 5 aDd t h e o r e p e a t · e d l y !lC:lecting tbe D I S C A R D funclioo 8 3 0 u o t i l a l l o f t b e d e v i a : i d e n t i f i e r s ha\'C h e e n d e l e l e d f r o m melllO()'.

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CONCLUSION 60 S)'SleIDS a n d melhocJs consis!o:nt w i t h t b e p n : 5 e o t i n " " n · l i o n provid<: m e c h a n i s m s lhac i m p r o v e t h e d e l i v e r y o f meso . q g e s in w i t e l c s . . n e t w o r k s b y p e r m i n i n g t e m p o r a r y s t o r a g ( o f mc...'.I.1ges i n a s c o o i n g d<.:viu: f o l l o w e d h y t h e t r a m . m i s · s i o n o r f C · t r a n s m i s . . i o n o f lIte m e s s a g e . . w h e n tbe d e s t i n a t i o n 65 devi(.'\:(,,) (.UfO<:-" w i t h i n t h e t r a n s m i s s i o n rango: o f t h e !>Coo· i o g devkx:.

The foregoing description of exemplary "mbodimcnls of t b e p r e s e n t i n v e n t i o n p r o v i d e s iIlUSlratioo a n d d e s c r i p t i o n . b u t i s n o t i o t e n d e d k ) b e c x h a u s l i \ ' e o r t o l i m i t t b e irl\"entioo t o t h e precise [oem d i s c l o s e d . M o d i f i c a t i o o s aDd v a r i a t i o n s a r e p o s s i b l e in l i g h t o f t b e a b o v e t e a c h i o g s o r m a y b e a c q u i r e d f r o m p r a c t i o : o f t h e in\'Cntion. F o r e x a m p l e , w h i l e a s e r i e s o f s t e p s h a v e b e e n p r e s e n t e d w i t h n : g a r d 10 t h e prtN:l:ssing o f F I G S . 1 0 - 2 1 , t b e o r d e r o f t b e s t c p s d o c s l l ( ) \ maner. I n a d d i t i o n , w h i l e c o m m u n i c a t i o n h e t w e e n w i r d . : ....... deVK:\:S i n the e x c m p l a r y e m b o d i m c n l s a b o v e h a s b e e n disclU'iCd a s o c c u r r i n g dire(.11y a c r o s s a n ;lir i n t e r r a c e , c u m · m u n i e a t i o n bctw<.\en w i r e l e s s d e v i c e s m a y a l s o (K.'Cur a c r o s s a c e l l u l a r infra.structure alKI l h r o u g h a d a t a n e t w u r k ( e . g . , t h e I n t e l l l C t ) . S u c h c o m m u n i c a t i o n w o u l d a l l o w m e s s a g e s to b e s t o r e d o n a d a t a s e r v e r c o n n e c t e d to the d a t a n e t w o r k . S t o r i n g I h e mc....')agc. . o n a dat~ s e r v c r w o u l d p e r m i t w i r e l e s s d e v i c e u..""rs ( 0 a r c h i v e v o i c e r e c o r d i n g s a n d m a i l r e c o r d i n g s \ l t h e r wireles''< ! k : v i c c s . , 1 1 i . . w u u l d f u r t h e r a d v a n t a g e o u s l y p e r m i t w i r e l e s s devi(."CS tn e x c h a n g e m e s s a g c s w i t h o t h e r w i r e l e s s d<..'VK.~ a n y w h e r e in t h e w o r l d a(.'fOSS ( h e d a t a IlCtwork. Funhermore. though the exemplary proccssi.ng described above uses audio dna as uoique idcntiliers for each device. o n e s k i l l e d i o !be a n will a p p m ; i a l e t h a t t h e u n i q u e i d e n t i · tiers can include digital video or digital pictorial data. for e u m p l e , a d i g i ' a l Hstylu.'< antllablct~ c a n h e a.....0 ; 0 0 3 t e d w i t h t r a n s c e i v e r aDd p r o c e s s i n g c i r c u i t r y to p e r m i t e n t r y o f h a n d · w r i l l e n p i c t u r e s ( e . g .· s i g M t u r e s ) f o r t r a n s m i s > i o o a s a M Y_ U N 1 Q U E j D d e v i c e i d e n t i f i e r . A .. a n o t h e r e x a m p l e , a d i g i t a l c a m e r a c a n b e a s s o c i a t e d w i t h t r a m . c e i v e r aDd p r o c e s s i n g c i r c u i t r y to p e r m i t t b e e n t r y o f d i g i t a l p i c t u r e s ( e . g . . p o r t r a i t s ) f o r t r a n s m i s s i o n a.~ a M Y_ U N I Q U E ~ D d e v i c e identifier. A'i an additional example, a digital c a m c o r d c r c a n b e a s s o c i a t e d w i t h t r a n s o : i v e r a n d pl'OCC:SSwg c i r c u i t r y 10 p e r m i t t b e c n t r y o f d i g i t a l vicJeo (",.g .. v W e o o f the devil...., u s e r ) r o r t r a n s