US007489786B2
`
`(12) United States Patent
`Marlowe
`
`(10) Patent N0.:
`(45) Date of Patent:
`
`US 7,489,786 B2
`Feb. 10, 2009
`
`(54) AUDIO DEVICE INTEGRATION SYSTEM
`
`OTHER PUBLICATIONS
`
`(76) Inventor; Ira Marlowe’ 6403 Hilltop CL’ Fort Lee’
`NJ (Us) 07024
`
`( * ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 820 days.
`
`(21) Appl. N0.: 10/316,961
`
`(22) Filed:
`
`Dec. 11, 2002
`
`(65)
`
`Prior Publication Data
`Us 2003/0215102 A1
`NOV_ 20 2003
`’
`
`(51) Int CL
`(200601)
`H043 1/00
`(52) us. Cl. ..................... .. 381/86' 340/82524- 700/94
`(58) Field of Classi?cation Search ’
`3381/86,
`307/9 1 10 1, 340/825‘
`700/94?
`' 455/343 346, 761/36, 7'10’/303 304’
`See application ?le for c’ompl’ete Search history ’
`'
`
`56
`
`References Cited
`
`U'S' PATENT DOCUMENTS
`3,940,743 A
`2/1976 Fitzgerald .............. .. 340/1725
`4,047,162 A
`9/ 1977 Dorey et a1, ______________ __ 364/200
`
`_
`(Commued)
`FOREIGN PATENT DOCUMENTS
`
`JP
`
`11473321
`
`10/1999
`
`“Blitzsafe Overview,” from Blitzsafecom websitei‘The World
`Wide Leader in Aftermarket Interfaces and OEM Engineering” (I
`Page)
`
`d
`C t-
`( on mue )
`Primary ExamineriVivian Chin
`Assistant Examinerilason Kurr
`(74) Attorney, Agent, or FirmiMcCarter & English, LLP
`
`(57)
`
`ABSTRACT
`
`An audio device integration system is provided. One or more
`after-market audio devices, such as a CD player, CD changer,
`MP3 player, satellite receiver, DAB receiver, or the like, is
`integrated for use With an existing OEM or after-market car
`Stereo System’ wherein Control Commands can be issued “the
`car stereo and responsive data from the audio device can be
`displayed on the stereo. Control commands generated at the
`car stereo are received, processed, converted into a format
`recognizable by the audio device, and dispatched to the audio
`device for execution. Information from the audio device,
`includin track, disc, son , station, time, and other informa
`g
`g
`tion, is received, processed, converted into a format recogniz
`able by the car stereo, and dispatched to the car stereo for
`display thereon One Or more auxiliary 1111311t Sources can be
`integrated With the car stereo, and selected between using the
`controls of the car stereo. Both an audio device and one or
`more auxiliary input sources can be integrated together, and a
`user can select between the device or the one or more auxil
`iary input sources by issuing selection commands through the
`car stereo. A docking station is provided for docking a por
`table audio or video device for integration With the car stereo.
`
`(Continued)
`
`99 Claims, 21 Drawing Sheets
`
`,- - — - - - — - - - - ‘I
`
`10
`cm /
`RADIO
`I
`
`r----
`
`CD
`PLAYER
`
`{/ 12
`;
`:
`
`L _ - - _ I - _ - - J
`
`'
`:
`coRIRoL
`:
`HEAD
`__,_____--..
`/20
`SATELLITE /25
`/1s
`______ INTERFACE _—-—I- RADIO!
`--_
`DAB RECEIVER
`
`30
`Mp3 /
`PLAYER "'-
`
`AUXILIARY
`INPUT #1
`
`.
`
`.
`
`.
`
`AUXILIARY
`INPUT #n
`
`k
`
`g
`
`Jaguar Land Rover
`Exhibit 1001
`Page 001
`
`

`

`US 7,489,786 B2
`Page 2
`
`US. PATENT DOCUMENTS
`
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`.. 379/88
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`375/1
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`2/1994 Frimmel, Jr.
`.. 379/88
`5,339,362 A
`8/1994 Harris ......... ..
`.. 381/86
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`5/2000 Sadler
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`. . . . .. 701/33
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`.... .. 381/86
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`5/2002 Hess et al. ................... .. 701/1
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`5/2002 Chew
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`3/2003 Draggon et al.
`.. 455/42
`6,591,085 B1 *
`7/2003 Grady ......... ..
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`1/2003 Riggs ........................ .. 381/86
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`2/2003 Lazzeroni et al.
`381/86
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`3/2003 Yasuhara ..... ..
`.. 381/86
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`
`5/2003 Benyamin et al. ........... .. 386/96
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`
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`
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`KR
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`KR
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`
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`
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`
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`
`Jaguar Land Rover
`Exhibit 1001
`Page 002
`
`

`

`US 7,489,786 B2
`Page 3
`
`“SoundGate, Ventura Announce Sophisticated OEM-Integration
`Interfaces,” article from The 12 Volt News, Dec. 2002 (1 page).
`“XMDirect Smart Digital Adapter,” product description (3 pages).
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`verter Technology,” Nov. 1998 printout from http://www.blitzsafe.
`com/blitzinews/newsl01998/bodyinews101998.html (2 pages).
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`org/web/20000817164605/music.gamespotcom/features/
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`printout from website (4 pages).
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`20010613095105/http:/www.zgusd.org/~edwardfezproto/ (2 pages).
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`Reports,” Apr. 5, 2001, printout from website (8 pages).
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`printout
`from
`http://web.archive.org/web/20010413222617/
`ssiamerica.com/products/neo35/ (1 page).
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`pages).
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`sourceforgenet/projects/gnunilinld (3 pages).
`“EZ Protoboard News,” printout from website (3 pages).
`“GNUnilinkiFor All Your AUX-IN Needs .
`.
`. ,” printout from
`http://gnunilink.sourceforge.net/ (4 pages).
`“VWCDPIC News,” printout from http://web.archive.org/web/
`20020701101541/http:/www.zgusd.org/~edwardfvwcdpic/
`(8
`pages).
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`20021009014959/http:/www.zgusd.org/~edwardfvwcdpic/
`(10
`pages).
`“Neo Car Jukebox MP3 Player,” printout from website (3 pages).
`“Blitz Safe Offers XM Cables for Radios,” printout from website
`http://www.twice.com/aIticle/CA190041.html?text:blitz+safe
`(2
`pages).
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`website
`http://www.twice.com/aIticle/CA
`200541.
`html?text:blitz+safe (3 pages).
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`sumer Electronics (TWICE), Nov. 24, 2003.
`Gilroy, Amy, “XM Exceeds Forecasts,” This Week in Consumer
`Electronics (TWICE), Nov. 24, 2003.
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`News,”
`http://www.blitzsafe.com/blitzinews/
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`com/blitzinews/news031 1 17/bodyinews031 1 17.html, Nov. 17,
`2003.
`“Digital Audio Radio,” http://www.blitzsafe.com/blitzinews/
`news052003a/bodyinews052003a.html, 2003.
`“BlitzSafe Winner of 2003 Autosound Grand Prix Accessories Sup
`plier of the Year,” Audiovideo Magazine, Mar. 3, 2003.
`“BlitzSafe Releases World’s First XM Satellite Radio, Auxillary and
`CD Interfaces for Landrover ‘Freelander 2003’,” http://www.
`blitzsafe.com/blitzinews/news092002b/bodyinews09002b.html,
`Sep. 16, 2002.
`
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`bodyinews012002c.html., Jan. 2002.
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`* cited by examiner
`
`Jaguar Land Rover
`Exhibit 1001
`Page 003
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 1 0f 21
`
`US 7,489,786 B2
`
`FIG. 1
`
`cm / 1°
`RADIO
`t
`
`5
`CONTROL 1“
`:
`HEAD
`:
`L_--.T-.._J
`
`'- o Q u Q Q n c Q Q - Q p - --J
`
`I
`
`SATELLITE /?5
`/20
`/15
`no
`PLAYER -———- INTERFACE <—-—- HADIO/
`‘—-
`DAB RECEIVER
`
`MP3 ?u
`
`AuxILIARY
`
`PLAYER "- INPUT #1
`
`'
`
`'
`
`'
`
`AuxILIARY
`
`INPUT #n
`
`a?
`
`FIG . 2A
`
`13
`
`CONTROL
`PANEL
`BUTTONS
`
`14
`
`cm
`HADIO __
`
`t
`
`/20
`
`INTERFACE
`
`/15
`
`CD
`PLAYER
`
`Jaguar Land Rover
`Exhibit 1001
`Page 004
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 2 0f 21
`
`US 7,489,786 B2
`
`FIG. 2B
`
`13
`
`CONTROL
`PANEL
`aunous
`
`14
`
`10
`
`CAR
`RADIO k
`
`I
`
`fzo
`
`INTERFACE
`
`fao
`
`MP3
`PLAYER
`
`13
`
`CONTROL
`PANEL
`sunous
`
`H
`
`FIG. 2C
`
`[1“
`
`CAR
`RADIO t
`
`t
`
`/2o
`
`INTERFACE
`
`SATELLITE /25
`RADIO!
`DAB RECEIVER
`
`Jaguar Land Rover
`Exhibit 1001
`Page 005
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 3 0f 21
`
`US 7,489,786 B2
`
`FIG. 20
`
`f” @
`
`13
`
`CAR
`RADIO __
`
`fZU
`
`1
`
`INTERFACE
`
`’ Q
`
`CONTROL
`PANEL
`BUTTONS
`
`14
`
`AUXILIARY
`INPUT #1
`
`_
`
`_
`
`_
`
`AUXILIARY
`INPUT #n
`
`a?
`
`F
`
`no
`PLAYER
`
`/ 15
`
`I
`
`AUXILIARY
`INPUT #1
`
`_
`
`_
`
`_
`
`AUXILIARY
`INPUT An
`
`Jaguar Land Rover
`Exhibit 1001
`Page 006
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 4 0f 21
`
`US 7,489,786 B2
`
`FIG.
`[10
`
`CAR
`RADIO
`
`T
`
`INTERFACE
`
`/20
`
`III
`
`AUXILIARY
`INPUT #1
`
`FIG. 26
`
`CAR
`RADIO
`
`f20
`
`INTERFACE
`
`JTT
`
`AUXILIARY
`INPUT #1
`
`13
`
`CONTROL
`PANEL
`BUTTONS
`
`14
`
`AUXILIARY
`INPUT #n
`
`CONTROL
`PANEL
`BUTTONS
`
`AUXILIARY
`INPUT #n
`
`F
`SATELLITE
`RADIOI
`DAB RECEIVER
`
`MP3
`PLAYER
`
`Jaguar Land Rover
`Exhibit 1001
`Page 007
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 5 0f 21
`
`US 7,489,786 B2
`
`FIG. 2H
`
`10
`[
`
`I @ 13
`
`CAR
`RADIO -
`
`fEU
`
`INTERFACE
`
`CONTROL
`PANEL
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`14
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`
`AUDIO
`DEVICE
`
`AUXILIARY /40
`lmEfiFAcE
`
`42
`
`AUXILIARY /44
`INTERZFACE
`
`#
`
`Jaguar Land Rover
`Exhibit 1001
`Page 008
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 6 0f 21
`
`US 7,489,786 B2
`
`2a.
`
`:3
`
`
`
`was“ >03.“ “mam
`
`u a .82
`
`Jaguar Land Rover
`Exhibit 1001
`Page 009
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 7 of 21
`
`US 7,489,786 B2
`
`.
`
`FIG 35“?
`73405
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`Jaguar Land Rover
`Exhibit 1001
`Page 010
`
`Jaguar Land Rover
`Exhibit 1001
`Page 010
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 8 0f 21
`
`US 7,489,786 B2
`
`FIG . 3B2
`
`Bxy
`
`Cxy
`
`XTALl
`20ml V?ss res INH
`
`Jaguar Land Rover
`Exhibit 1001
`Page 011
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 9 0f 21
`
`US 7,489,786 B2
`
`J1
`
`FIG. 3C1
`
`Jaguar Land Rover
`Exhibit 1001
`Page 012
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 10 0f 21
`
`US 7,489,786 B2
`
`FIG. 30?
`
`Jaguar Land Rover
`Exhibit 1001
`Page 013
`
`

`

`US. Patent
`
`Feb.10,2009
`
`Sheet]],0f21
`
`US 7,489,786 B2
`
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`Jaguar Land Rover
`Exhibit 1001
`Page 014
`
`Jaguar Land Rover
`Exhibit 1001
`Page 014
`
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 12 0f 21
`
`US 7,489,786 B2
`
`.
`A
`FIG 4 f 100
`
`W RADIO
`0N,
`~
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`POWER-UP
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`RECOGNIZED BY
`no PLAYER
`
`RRYRRRYRR f1”
`c0 PLAYER AND
`EXECUTE
`
`Jaguar Land Rover
`Exhibit 1001
`Page 015
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 13 0f 21
`
`US 7,489,786 B2
`
`/ 130
`
`4
`STANDBY MODE: / 13
`WAIT FOR
`POWER-UP
`
`PLAYER PRESENCE
`SIGNAL
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`/“°
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`m mum
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`
`CONVERT INSTRUCTION
`TO FORMAT
`RECOGNIZED BY
`MP3 PLAYER
`
`/ 130
`
`/152
`
`TRANSMIT FORMATTED
`INSTRUCTION TO
`MP3 PLAYER AND
`EXECUTE
`
`T
`
`Jaguar Land Rover
`Exhibit 1001
`Page 016
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 14 0f 21
`
`US 7,489,786 B2
`
`FIG. 46 f 160
`
`CAR RADIO
`-
`
`164
`STANDBY MODE: V
`WAIT FOR
`PDwEP-uP
`
`r
`DDNTTNuDusLY
`, THANSMIT cD
`PLAYED PRESENCE
`SIGNAL
`
`/170
`
`CONNECT AUDIO /172
`CHANNELS 0F
`SATELLITE RECEIVER
`TD RADIO
`
`WAIT FOR
`OPERATION
`_" INSTRUCTION
`FROM RADIO
`
`M175
`
`uPDATE DISPLAY /174
`OF RADIO WITH
`DATA FROM
`sATELLTTE RECEIVER
`
`L/ 158
`
`INSTRUCTION?
`
`CONVERT INSTRUCTION
`TO FORMAT
`RECOGNIZED BY
`SATELLITE RECEIVER
`
`/ 152
`
`TRANSHIT FORMATTED
`INSTRUCTION TO
`SATELLITE RECEIVER
`AND EXECUTE
`
`L
`
`Jaguar Land Rover
`Exhibit 1001
`Page 017
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 15 0f 21
`
`US 7,489,786 B2
`
`FIG. 40
`f 190
`
`/1s4
`
`STANDBY none;
`WAIT FOR
`
`POWER-UP
`
`“ROW”
`
`'
`
`1
`I
`
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`
`
`SELECTION
`SIGNAL
`fxzoo
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`CHANNEL #1 __a
`T0 RADIO
`
`V158
`
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`CONNECT
`AUXILIARY K
`CHANNEL #2
`T0 RADIO
`
`CONNECT /214
`AUXILIARY
`CHANNEL #3
`T0 RADIO
`
`,
`
`ABQ'R‘EEAY Y2“
`CHANNEL #4 —?
`T0 RADIO
`
`j
`
`Jaguar Land Rover
`Exhibit 1001
`Page 018
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 16 0f 21
`
`US 7,489,786 B2
`
`FIG . 4E
`
`CAR RADIO
`0"?
`
`/ 220
`
`[224
`sTA'lNA?l?gFvggna
`POWER-UP
`
`./233
`
`CONTINUOUSLY
`TRANSMIT CD
`PLAYER PRESENCE
`SIGNAL
`
`/231
`
`EXECUTE LOGIC
`OF BLOCK
`108 OF
`FIG. 4A
`
`T
`
`SENSE AUX.
`MODE SELECTION
`FROM CONTROL
`PANEL OF RADIO
`
`EXECUTE
`LOGIC OF
`’ BLOCK 198
`OF FIG. 40
`
`OISCONNECT
`AUDIO CHANNELS
`OF CD PLAYER
`
`Jaguar Land Rover
`Exhibit 1001
`Page 019
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 17 0f 21
`
`US 7,489,786 B2
`
`240 /
`[244
`STANDBY MODE:
`WAIT FOR
`POWER-UP
`
`CAR RADIO
`ON?
`
`/251
`
`EXECUTE LOGIC
`OF BLOCK
`168 OF
`FIG. 4C
`
`/24B
`
`CONTINUOUSLY
`TRANSNIT CD
`PLAYER PRESENCE
`SIGNAL
`
`L
`
`SENSE AUX.
`MODE SELECTION
`FROM CONTROL
`PANEL OF RADIO
`
`EXECUTE
`LOGIC OF
`BLOCK 198
`OF FIG. 4B
`
`Jaguar Land Rover
`Exhibit 1001
`Page 020
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 18 of 21
`
`US 7,489,786 B2
`
`FIG. 46
`
`
`
`START 1I""
`
`250
`
`
`
`
`
`
`STANDBY MODE:
`WAIT FOR
`
`POWER-UP
`
`
`CAROEADI”
`-
`
`
`
`
`RADIO IN
`CD PLAYER
`
`MODE?
`
`
`
`
`CONTINUOUSLY
`
`MP3
`TRANSMIT CD
`
`
`
`PLAYER
`
`PLAYER PRESENCE
`
`PRESENT?
`SIGNAL
`
`
`
`
`
`EXECUTE LOGIC
`SENSE AUX.
`
`
`
`OF BLOCK
`MODE SELECTION
`AUXILIARY
`
`
`
`MODE?
`FROM CONTROL
`133 OF
`
`
`PANEL OF RADIO
`FIG. 4B
`
`
`
`
`
`
`
`
`
`
`
`EXECUTE
`OISCONNECT
`
`
`
`LOGIC OF
`AUDIO CHANNELS
`
`
`
`BLOCK 138
`OF MP3
`
`
`
` OF FIG. 4D
`PLAYER
`
`
`
`
`Jaguar Land Rover
`Exhibit 1001
`Page 021
`
`Jaguar Land Rover
`Exhibit 1001
`Page 021
`
`

`

`US. Patent
`
`Feb. 10,2009
`
`Sheet 19 of 21
`
`US 7,489,786 B2
`
`FIG. 5
`
`,r”'300
`
`
`
`
`
`START
`
`MONITOR
`CONTROL
`PANELS
`BUTTONS
`
`
`
`WAIT FOR
`PREDETERMINEO
`PERIOD FOR
`TRACK DOWN
`
`PROCESS AND
`DISPATCH
`COMMAND T0
`AUDIO DEVICE
`
`
`
`TRACK
`DOWN WITHIN
`PERIOD?
`
`
`
`
`DISCONNECT
`AUDIO
`DEVICE
`
`315
`
`
`
`EXECUTE
`LOGIC 0F
`
`
`BLOCK 193
`OF FIG. 40
`
`
`
`305
`
`Jaguar Land Rover
`Exhibit 1001
`Page 022
`
`Jaguar Land Rover
`Exhibit 1001
`Page 022
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 20 of 21
`
`US 7,489,786 B2
`
`IFJIL3.
`
`E?
`
`320
`
`l‘fav—
`
`
`333
`
`
`MONITOR
`CONTROL PANEL
`
`BUTTONS FOR
`
`AUXILIARY
`
`INPUT SELECTION
`
`
`
`
`
`SENSE
`
`
`TYPE OF
`
`DEVICE AT
`
`AUX.
`INPUT
`
`324
`
`
`
`
`
`
` EXECUTE 323
`
`
`CD
`LOGIC 0F
`
`
`
`PLAYER?
`BLOCK 108
`
`
`
`OF FIG. 4A
`
`
`
`
`
`EXECUTE
`
`
`LOGIC OF
`HPB
`
`
`PLAYER?
`BLOCK 133
`
`
`
`OF FIG. 4B
`
`
`
`
`334
`
`
`
`EXECUTE
`
`
`
`LOGIC OF
` SATELLITE
`
`
`BLOCK 158
`RECEIVER?
`
`
`OF FIG.
`4C
`
`
`333
`
`Jaguar Land Rover
`Exhibit 1001
`Page 023
`
`Jaguar Land Rover
`Exhibit 1001
`Page 023
`
`

`

`US. Patent
`
`Feb. 10, 2009
`
`Sheet 21 of 21
`
`US 7,489,786 B2
`
`FIG.
`
`7A
`
`402
`
`408
`
`
`
`Jaguar Land Rover
`Exhibit 1001
`Page 024
`
`Jaguar Land Rover
`Exhibit 1001
`Page 024
`
`

`

`1. Field of the Invention
`The present invention relates to an audio device integration
`system. More specifically, the present invention relates to an
`audio device integration system for integrating after-market
`components such as satellite receivers, CD players, CD
`changers, MP3 players, Digital Audio Broadcast (DAB)
`receivers, auxiliary audio sources, and the like with factory—
`installed (OElVI) or after-market car stereo systems.
`2. Related Art
`Automobile audio systems have continued to advance in
`complexity and the number of options available to automo—
`bile purchasers. Early audio systems olIered a simple AM
`and/or FM ttmer, and perhaps an analog tape deck for allow-
`ing cassettes, 8-tracks, and other types of tapes to be played
`while driving. Such early systems were closed, in that exter—
`nal devices could not be easily integrated therewith.
`W'ith advances in digital technology, CD players have been
`included with automobile audio systems. Original Equipment
`Manufacturers (OEMs) often produce car stereos having CD
`players and/or changers for allowing CDs to be played while
`driving. However, such systems often include proprietary ,
`buses and protocols that do not allow after-market audio
`systems, such as satellite receivers (e.g., XM satellite tuners),
`digital audio broadcast (DAB) receivers, MP3 players, CD
`changers, auxiliary input sources, and the like. to be easily
`integrated therewith. Thus, automobile purchasers are fre-
`quently forced to either entirely replace the OEM audio sys-
`tem, or use same throughout the life of the vehicle or the
`duration of ownership. Even if the OEM radio is replaced
`with an after-market radio. the after-market radio also fre-
`quently is not operable with an extemal device.
`A particular problem with integrating after-market audio
`systems with existing car stereos is that signals generated by
`the car stereo is in a proprietary format, and is not capable of
`being processed by the after-market system. Additionally,
`signals generated by the after-market system are also in a
`proprietary format that is not recognizable by the car stereo.
`Thus, in order to integrate after—market systems with car
`stereos, it is necessary to convert signals between such sys-
`tems.
`
`10
`
`15
`
`30
`
`35
`
`It known in the art to provide one or more expansion
`modules for OEM and after-market car stereos for allowing
`external audio products to be integrated with the car stereo.
`However, such expansion modules only operate with and
`allow integration of extemal audio products manufactured by
`the same manufacturer as the OEM/after-market car stereo.
`For example, a satellite receiver manufactured by PIONEER,
`
`Inc., cannot be integrated with an OEM car radio manufac-
`tured by TOYOTA or an after-market car radio manufactured
`by CLARION, Inc. Thus, existing expansion modules only
`serve the limited purpose of integrating equipment by the
`same manufacturer as the car stereo. Thus, it would be desir—
`able to provide an integration system that allows any audio
`device of any manufacture to be integrated with any OEM or
`after-market radio system.
`Moreover, it would be desirable to provide an integration
`system that not only achieves integration of various audio
`devices that are alien to a given OEM or after-market stereo
`system, but also allows for information to be exchanged
`between the after-market device and the car stereo. For
`example, it would be desirable to provide a system wherein
`station, track, time, and song information can be retrieved
`from the after-market device, formatted, and transmitted to
`
`4o
`
`45
`
`,
`
`6O
`
`65
`
`1
`AUDIO DEVICE INTEGRATION SYSTEM
`
`BACKGROUND OF THE INVENTION
`
`US 7,489,786 B2
`
`2
`the car stereo for display thereby, such as at an LCD panel of
`the car stereo. Such information could be transmitted and
`displayed on both hardwired radio systems (e.g., radios
`installed in dashboards or at other locations within the car), or
`integrated for display on one or more software or graphically-
`driven radio systems operable with graphical display panels.
`Additionally, it would be desirable to provide an audio inte-
`gration system that allows a user to control more than one
`device, such as a CD or satellite receiver and one or more
`auxiliary sources, and to quickly and conveniently switch
`between same using the existing controls of the car stereo.
`Accordingly, the present invention addresses these needs
`by providing an audio integration system that allows a plu-
`rality of audio devices, such as CD players, CD changers,
`MP3 players, satellite receivers, DAB receivers, auxiliary
`input sources, or a combination thereof, to be integrated into
`existing car stereos while allowing information to be dis-
`played on, and control to be provided from, the car stereo.
`
`SUMMARY OF THE INVENTION
`
`The present invention relates to an audio device integration
`system. One or more after-market audio devices, such as a CD
`player, CD changer, MP3 player, satellite receiver (e.g., XM
`tuner), digital audio broadcast (DAB) receiver, or auxiliary
`input source, can be connected to and operate with an existing
`
`stereo system in an automobile, such as an OEM car stereo
`system or an after-market car stereo system installed in the
`automobile. The integration system connects to and interacts
`with the car stereo at any available port of the car stereo, such
`as a CD input port, a satellite input, or other known type of
`connection. If the car stereo system is an after-market car
`stereo system, the present invention generates a signal that is
`sent to the car stereo to keep same in an operational state and
`responsive to external data and signals. Commands generated
`at the control panel are received by the present invention and
`converted into a format recognizable by the after-market
`audio device. The fonnatted commands are executed by the
`audio device, and audio therefrom is channeled to the car
`stereo. Information from the audio device is received by the
`present invention, converted into a format recognizable by the
`car stereo, and forwarded to the car stereo for display thereby.
`The formatted information could include information relating
`to a CD or MP3 track being played, channel, song, and artist
`information from a satellite receiver or DAB receiver, or
`video information from one or more extemal devices con-
`nected to the present invention. The information can be pre-
`sented as one or more menus, textual, or graphical prompts
`for display on an LCD display of the radio, allowing interac—
`tion with the user at the radio. A docking port is provided for
`allowing portable external audio devices to be connected to
`the interface of the present invention.
`In an embodiment of the present invention, a dual-input
`device is provided for integrating both an external audio
`
`device and an auxiliary input with an OEM or after—market car
`stereo. The user can select between the external audio device
`and the auxiliary input using the controls ofthe car stereo. The
`invention can automatically detect the type of device con-
`nected to the auxiliary input, and integrate same with the car
`stereo.
`
`In another embodiment of the present invention, an inter-
`face is provided for integrating a plurality of auxiliary input
`sources with an existing car stereo system. A user can select
`between the auxiliary