6
`US006169847B1
`(io) Patent No.:
`az United States Patent
`US 6,169,847 B1
`Mizoguchi et al.
`(45) Date of Patent:
`Jan. 2, 2001
`
`
`
`
`(54) PORTABLE DVD PLAYER
`
`(75)
`
`Inventors: Tetsuya Mizoguchi; Masayuki Sato;
`Hiroyuki Sakamoto, all of Tokyo (JP)
`a1
`‘
`Thchi
`:
`sates
`Seta
`eaS
`(73) Assignee: oa Kaisha Toshiba, Kawasaki
`‘
`ue
`re
`(*) Notice:
`Under 35 U.S.C. 154(b), the term of this
`patent shall be extended for 0 days.
`
`5/1998 Ryanet al.
`5,754,648 *
`380/4
`
`8/1998 Kim uu.
`5,796,576 *
`61/681
`8/1998 Ishiguro .
`5,796,839 *
`380/44
`5,825,879 * 10/1998 Davis ....
`380/35
`5,835,083 * 11/1998 Nielsen et al
`345/211
`
`345/157
`5,861,873 *
`1/1999 Kikinis ...
`
`5806358 *
`4/1999 Endoh et al.
`60/8
`
`5/1999 Sakai et al.
`395/887
`5,905,914 *
`
`6/1999 Kono cesses
`5,914,706 *
`345/173
`
`370/395
`8/1999 Osakabe etal.
`5,933,430 *
`
`...
` TLO/22
`6,006,286 * 12/1999 Baker et al.
`
`FOREIGN PATENT DOCUMENTS
`(21) Appl. No.: 08/947,019
`
`
`(22) Filed:—Oet. 8, 1997 TSS BIS. GE):
`(30)
`Foreign Application Priority Data
`OTHER PUBLICATIONS
`Det. 9, 1996
`(TP) cessssssensesssetissttneeciiereiinenee 8268723
`Sonic DVD Creator, Blueprint for DVD Premastering, Sonic
`:
`Solutions, Technical Paper, pp. 1-9, Apr. 1996.*
`(51)
`Inte Git sscccccsicakansecnsnie HO4N 5/917
`.
`;
`
`(52) U.S. Cl.
`....
`. 386/111; 386/125; 386/126
`* cited by examiner
`(58) Field of Search .......0.c.cccccccce 386/35, 95, 96,
`Primary Examiner—Wendy Garber
`386/109, 118, 124-126, 131; 380/5, 10;
`Assistant Examiner—Vincent F, Boecio
`HOAN 5/917
`(74) Attorney, Agent, or Firm—Finnegan, Henderson,
`Farabow, Garrett, & Dunner, L.L.P.
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`|. 386/126
`1/1990 Raetzeret al.
`.
`4,897,827 *
`
`5/1994 Ishii seo...
`§,309,249 *
`386/126
`9/1994 Ishikawa et al.
`5,347,630 *
`395/164
`
`3/1996 Ito etal.
`.
`. 369/32
`5,499,221 *
`- 16/261
`5,507,072 *
`4/1996 Youn ...
`
`ons
`. 369/59
`Solee 1996 “Bailey.
`ee egteee Mae
`~ gooleB—
`suga etal.
`...
`369/275.
`5,69
`1,¢
`j
`
`5.699.434 * 12/1997 Hogan sau.
`_ 380/49
`5,703,997 * 12/1997 Kitamura et al.
`» 386/97
`
`1/1998 Katoet al...
`sae 386/96
`5,712,949 *
`
`AROTEACT
`6)
`Thebuilt-in components in the portable-type apparatus each
`operate on power from the power supply (PS) unit having a
`built-in battery. The video data decoded by the video
`decoder (MPEG-DEC)andthe sub-picture data decoded by
`the sub-picture decoder (Sub-Picture-DEC) are mixed with
`the video mixer (MIX) and then output
`to a display unit
`(DISP). An audio signal decoded by the audio decoder
`‘DEC jc
`.
`ae eee
`(Audio-DEC)is output from the speaker (SP).
`6 Claims, 5 Drawing Sheets
`
`
`
`Jaguar Land Rover
`Exhibit 1026
`Page 001
`
`Jaguar Land Rover
`Exhibit 1026
`Page 001
`
`

`

`U.S. Patent
`
`Jan. 2, 2001
`
`Sheet 1 of 5
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`Jaguar Land Rover
`Exhibit 1026
`Page 002
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`

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`U.S. Patent
`
`Jan. 2, 2001
`
`Sheet 2 of 5
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`US 6,169,847 B1
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`Exhibit 1026
`Page 003
`
`Jaguar Land Rover
`Exhibit 1026
`Page 003
`
`
`

`

`Jan. 2, 2001
`
`U.S. Patent
`
`UVvlElZlLL
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`(VY)o1
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`US 6,169,847 B1
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`Exhibit 1026
`Page 004
`
`Jaguar Land Rover
`Exhibit 1026
`Page 004
`
`
`
`

`

`U.S. Patent
`
`Jan. 2, 2001
`
`Sheet 4 of 5
`
`US 6,169,847 B1
`
`
`
`Jaguar Land Rover
`Exhibit 1026
`Page 005
`
`Jaguar Land Rover
`Exhibit 1026
`Page 005
`
`

`

`U.S. Patent
`
`Jan. 2, 2001
`
`Sheet 5 of 5
`
`US 6,169,847 B1
`
`PC
`
`DVD PLAYER
`
`-
`SEND ENCODED
`DATA COMMAND| —O~C*«é«SiELCTIORR = ‘ENCODED
`
`READ COMMAND|———————_>
`
`PACKET
`
`ENCODED
`VIDEO
`
`ENCODED
`AUDIO
`
`MPEG 2 FORMATa
`
`
`
`FIG. 5A
`
`PC
`
`DVD PLAYER
`
`-
`SEND DECODED
`DATA. COMMAND |SELECTOR=DECODED
`
`READ COMMAND|——————————_—__>
`
`PACKET
`
`DECODED
`VIDEO
`
`DECODED
`AUDI0
`
`YUV 4:2:2
`YUV 4:1:1
`
`PCM
`
`
`
`
`
`FIG. 5B
`
`Jaguar Land Rover
`Exhibit 1026
`Page 006
`
`Jaguar Land Rover
`Exhibit 1026
`Page 006
`
`

`

`US 6,169,847 B1
`
`BACKGROUND OF THE INVENTION
`
`10
`
`15
`
`1
`PORTABLE DVD PLAYER
`
`2
`by the disk drive; a sub-picture decoder reproducing sub
`picture from the DVD stream data read by the disk drive; an
`audio decoder reproducing audio data from the DVD stream
`data read by the disk drive; a system controller controlling
`The present invention relates to a portable DVD (Digital
`system components each in the frame; and a power supply
`Versatile Disk) player which includes in a single frame a
`unit including a built-in battery supplying the system com-
`disk drive having a DVD loading, a power supply for
`ponents each with power supply for operation thereof,
`driving, and a unit outputting video and audio data, which is
`thereby enabling reproducing data recorded in the DVD
`capable of reproducing data recorded in the DVD while
`while carrying in arbitrary places as well as indoors.
`carrying.
`Further, a portable DVD player having a single frame
`Recording still picture data and audio picture data
`provided with a DVD loading mechanism according to the
`requires a high density and large capacity storage media. For
`present
`invention, comprises in the frame a disk drive
`reading stream data recorded in the DVD by rotating the
`this
`reason, conventionally, a compact disk apparatus
`(hereinafter referred to as CD) has been used for recording
`DVDloaded on the DVD loading mechanism; an MPEG
`digital data, and a laser disk apparatus (hereinafter referred
`decoder reproducing video data from DVD stream data read
`by the disk drive; a sub-picture decoder reproducing sub
`to as LD) has been used for recording image data. However,
`picture data from the DVD stream data read by the disk
`the CDis insufficientin capacity as an information recording
`drive; an audio decoder reproducing audio data from the
`media for multimedia, while the LD is not available as an
`DVDstreamdata read by the disk drive; a conversion circuit
`recording media for computer due to analogue recording.
`Therefore, a recording method and a media for a large 5) and an output terminal mixing the reproduced video data and
`recording capacity have been expected, In order to fulfill
`the sub-picture data, and outputting the mixed image data to
`such needs, a DVD technique has been recently developed.
`an external monitor; a system controller controlling system
`In comparison with the CD, a single side of the DVD gives
`components each in the frame; and a power supply unit
`a recording capacity approximately seven times as much as
`including a built-in battery supplying the system compo-
`the CD, whereas in comparison with the LD, a single side of 5; nents each with power supply for operation thereof, thereby
`the DVDgives a recording time approximately 2.2 times as
`enabling serving to drive an external large screen monitor,in
`much as the LD.
`addition to reproducing data recorded in the DVD while
`two DVD applications have been
`Conventionally,
`carrying al arbitrary places as well as indoors.
`developed, namely a DVD video player and a DWD-ROM
`Moreover, a portable DVD player having a single frame
`driver. The DVD video player reproducesstill picture data/ 39 provided with a DVD loading mechanism according to the
`motion picture data, audio signal from the DVD, and trans-
`present
`invention, comprises in the frame a disk drive
`fers the data and signals to a hometelevision set (hereinafter
`reading stream data recorded in the DVD by rotating the
`referred to as TV), whereby the TV reproduces them. The
`DVD loaded on the DVD loading mechanism; an MPEG
`DVD-ROM reproduces video/motion picture data, audio
`decoder reproducing video data from DVD stream data read
`signal, or digital data from the DVD, and transfers them to as by the disk drive; a sub-picture decoder reproducing sub-
`a personal computer (hereinafter referred to as PC), whereby
`picture data from the DVD stream data read by the disk
`the PC outputs them on a display and to a speaker.
`drive; an audio decoder reproducing audio data from the
`However, none of the above apparatus has been designed
`DVDstream data read by the disk drive; a conversion circuit
`from a view point ofportability and thus such apparatus is
`474 an output terminal mixingthe reproduced video data and
`notsuitedfor outdoor use or mobile use. Accordingly, there 40 the sub-picture data, and outputting the mixed data to an
`has not conventionally existed any portable disk reproducing
`external monitor; a communication port outputtingthe DVD
`apparatus capable of continuously reproducing video and
`stream data to external; a system controller controlling
`audio data for long hours, whichfails to satisfy the desire of|SyStem components each in the frame; and a powersupply
`enjoying long-time programssuch as movies while carrying.
`“UNI including a built-in battery supplying the system com-
`45 ponents each with power supply for operation thereof,
`BRIEF SUMMARY OF THE INVENTION
`thereby enabling serving as a personal computer terminal, in
`.
`.
`S
`;
`,
`addition to reproducing data recorded in the DVD while
`.
`It is therefore an object of the present invention to provide
`carrying in arbitrary places as well as indoors, and serving
`a portable DVD player capable of reproducing data recorded
`to driving an external screen monitor.
`on the DWD while carrying.
`;
`é
`_
`;
`.
`.
`Furthermore, a portable DVD player having a single
`Further, it
`is another object of the present invention to
`frame provided with a DVD loading mechanism according
`provide a portable DVD reproducing apparatus capable of
`¢g the presentinvention, comprises in the frame a disk drive
`reproducing data recorded on the DVD while carrying, and
`reading stream data recorded in the DVD by rotating the
`of serving as a stand-alone typeor a terminal of personal
`DVDloaded on the DVD loading mechanism; an MPEG
`computer depending on applications.
`55 decoder reproducing video data from DVD stream data read
`According to one aspect of the present invention, there is
`by the disk drive; a sub-picture decoder reproducing sub-
`provided a portable DVDplayer which comprisesin a single
`picture data from the DVD stream data read by the disk
`frame a disk drive having a DVD loading mechanism, a
`drive; an audio decoder reproducing audio data from the
`power supply for driving, and an output unit outputting
`DVDstream data read by the disk drive; a conversion circuit
`video and audio data, and which is capable of reproducing 69 and an output terminal mixing the reproduced video data and
`data recorded in the DVD while carrying.
`the sub-picture data, and outputting the mixed data to an
`Morespecifically, a portable DVD player having a single
`external monitor; a communication port selectively output-
`frame provided with a DVD loading mechanism according
`ting one of the DVD stream data and the mixed data to
`to the present invention, comprises in the frame a disk drive
`external; a system controller controlling system components
`reading stream data recorded in the DVD by rotating the 65 cach in the frame; and a power supply unit
`including a
`DVD loaded on the DVD loading mechanism; an MPEG
`built-in battery supplying the system components each with
`decoder reproducing video data from DVD stream data read
`powersupply for operation thereof, thereby enabling serving
`
`so
`
`Jaguar Land Rover
`Exhibit 1026
`Page 007
`
`Jaguar Land Rover
`Exhibit 1026
`Page 007
`
`

`

`US 6,169,847 B1
`
`4
`the computer, wherein FIG. 5A shows a case where the
`portable DVDplayer selectively outputs the encoded stream
`data, and FIG. 5B shows a case where the portable DVD
`player selectively outputs the decoded video/audio data for
`reproduction.
`DETAILED DESCRIPTION OF THE
`INVENTION
`
`3
`as a stand-alone machine and a personal computer terminal
`in addition to reproducing data recorded in the DVD while
`carrying in arbitrary places as well as indoors, and serving
`to drive an external large screen monitor.
`Further, a portable information processor according to the
`present
`invention comprises a displaying and outputting
`mechanism mixing and displaying the main image decoded
`by the MPEG decoder and the sub image decoded by the
`An embodimentof the portable DVD player according to
`sub-picture decoder; and a voice outputting mechanism
`the present invention will now be described with reference
`outputting voice regenerated by the audio decoder.
`to the accompanying drawings.
`Moreover, in a portable DWD player according to the
`FIG. 1 is a block diagram showing an arrangement within
`present invention, the displaying and outputting mechanism
`a frame of a portable DVD player according to the first
`includes a flat panel display attachable and removable
`to/from the frame.
`embodiment of the present invention.
`Furthermore, a portable DVD player according to the = :
`In FIG. 1, theportable DVDplayer having a single frame
`present invention comprises a communication port pursuant
`‘corporates an internal system bus 10, a CPU 11, aninternal
`
`to one of SCSI interface, IEEE1393 interface, PC card—memory (MEM)12,an operating keyboard (KEY) 13, a
`interface, and USB (UniversalSerial Bus) interface, wherein
`communication interface (EX-I/F) 14,a communication port
`the portable DVD player encrypts data output via the _
`15, a power supply (PS) 19, a DVD driving mechanism
`communication port if necessary.
`20 (DVD-DRV) 21, a DVD controller (DVDCONT) 22. an
`Also, in a portable DVD player according to the present hecomnle= (MPEG-DEC) 23, a sub-picture decoder
`invention, the audio data outputting mechanism includes at
`(Sub-Picture-DEC) 24, an auctio decoder (AudioDEC) 25, .
`least one of a speaker, a headphone jack, a digital audio
`wade mixer (MIX) 26, an andi aniplitier {ADIE) 27, a
`terminal, and an AC-3 audio terminal.
`os aeeagniar26 a display (DISP) 31, and a speaker 32.
`Further, in a portable DVDplayer accordingto the present
`The CPU IL controls the whole system via the internal
`invention,
`the disk drive drives at
`least
`System bus 10. Theinternal memory (MEM) 12includes a
`the DVD and a
`CD-ROMas a recording media to reproduce.
`ROM and a RAM for use in a storage area for a variety of
`Moreover,a portable DVD player accordingto the present Heteodite TenerTtacdcle ofn
`invention comprises a DVD stream data dedicated signal 30 Po
`;
`ns
`:
`,
`path transferring the DVD stream data read from the disk
`tho
`Leashes
`.
`. eo .
`.
`drive, to the MPEG decoder, the sub-picture decoder, and
`The keyboard (ES) 13 # povided with aera keys for
`the audio decoder
`controlling DVD reproduction, a pointing device such as
`ithentions aportable DVDplayer according to the
`ACCUPOINTandthelike, and is used for turning on/off the
`present invention comprises decryption means for decrypl- 35 SePn: Ewe 4 control. of vanes reproduction a
`fag enccypted stream’ dala on:
`the “siream:data vdecieated
`frames and still pictures, and specifying coordinates on a
`seul hate
`-
`display screen,
`.
`Daa
`:
`3
`‘
`‘
`The communication interface (EX-I/F)
`14 outputs data
`Additional objects and advantages ofthe invention will be
`sittin the nseatei a‘teally ~ Siete port 15
`set forth in the description which follows, and in part will be
`i
`Bog
`eee
`fee
`a
`:
`obvious from the description, or may be learned by practice 4° tcselbyacomeunkerenaon Eeeesr
`of the invention. The objects and advantagesofthe invention
`and PC card interface
`on
`°
`may be realized and combinationsparticularly pointed out in
`:
`5;
`syyie
`o4E
`the appended! claiins
`The power supply (PS) 19 has a built-in battery providing
`PPS
`=
`a variety of function circuits in the portable DVD player,
`BRIEF DESCRIPTION OF THE SEVERAL
`4s With power supply for operation thereof.
`In this
`VIEWS OF THE DRAWING
`embodiment, a secondary battery is employed as the built-in
`-
`‘
`:
`F
`:
`battery, and an external power supply (AP) servesto enable
`The accompanying drawings, which are incorporated in
`aren
`the
`secondary:
`battery
`and
`“cath
`f the
`and constitute a part of the specification, illustrate presently aie BE
`ROS. SSSR EEE
`URHEER BRE
`CBSEERNE.
`Ste
`Ine
`preferred embodiments of the invention, and together with
`=" 4.
`.
`.
`the general description given above and the detailed deserip- 5° nes feDUDerinONDbance -
`tion of the preferred embodiments give below, serve to
`Si a ;
`E ee
`explain the principles ofthe invention
`ee (DVD-DRY)21 under the control of
`,
`the
`C
`‘
`FIG, 1 is a block diagram showing an arrangement within
`The DVD controller (DVD-CONT) 22 temporarily stores
`aea according: the irst 35 in the data buffer area of the internal memory (MEM) 12,the
`~
`__
`cma
`DVD stream data read out of the DVD drive mechanism
`FIG. 2 oe ann she “ aeamen a (DVD-DRV)21, and subsequently sends them to the MPEG
`A ae ae a oe ) player according the
`decoder (MPEG-DEC) 23,
`the sub-picture decoder (Sub-
`race aaa
`Picture-DEC) 24, and the audio decoder (Audio-DEC) 25
`PIG.3 is a block diagram showing an arrangement within gq via the DVD stream data dedicated signal paths 20a, 20b,
`a frameofthe portable-type DVD player according the third
`and 20c. In addition, on the DVD stream data dedicated
`embodiment of the present invention;
`signal path 20a, provided is the decrypter 28 which decrypts
`FIG. 4 is a block diagram showing an arrangement within
`the stream data read out of the DVD when they are
`a frame ofthe portable-type DVDplayer according to the
`encrypted. The decrypter 28 is constituted using one of
`fourth embodiment of the present invention; and
`65 Well-known arts.
`FIGS, 5A and 5B are diagrams showing sequences of
`The video decoder (MPEG-DEC) 23 extracts and decodes
`commands and data between the portable DVD player and
`video data such as motion picture data from the DVD stream
`
`Jaguar Land Rover
`Exhibit 1026
`Page 008
`
`Jaguar Land Rover
`Exhibit 1026
`Page 008
`
`€
`

`

`US 6,169,847 B1
`
`15
`
`5
`6
`area of the internal memory (MEM) 12, and thereafter
`data received from the DVD controller (DVD-CONT)22 via
`transfers them to the video decoder (MPEG-DEC) 23, the
`the DVDstream data dedicated signal path 20a, and outputs
`decoded video data.
`sub-picture decoder (Sub-Picture-DEC) 24, and the audio
`decoder (Audio-DEC) 25 via the DVD stream data dedi-
`The sub-picture decoder (Sub-Picture-DEC) 24 extracts
`cated signal paths 20a, 20b, and 20c, respectively. At this
`and decodes sub-picture data from the DVD stream data
`time, if the stream data has undergone an encryption process,
`received from the DVD controller (DWD-CONT)22 via the
`the decrypter 28 executes a decryption process on the stream
`stream data dedicated signal path 206, and outputsthestill
`data on the DVD stream dedicated signal path 20¢ prior to
`picture data.
`transferring, them.
`The audio decoder (Audio-DEC) 25 includes an A/D
`converter which extracts and decodes audio data from the
`Upon receipt of the DVD stream data from the DVD
`controller (DWD-CONT) 22 via the dedicated signal path
`DVDstream data received from the DVD controller (DVD-
`20a,
`the video decoder (MPEG-DEC) 23 extracts and
`CONT) 22 via the DVD stream data dedicated signal path
`decodes the motion picture data from the DVD-CONT 22,
`20c, and outputs the audio signal.
`and outputs them.
`The video mixer (MIX) 26 mixes the motion picture data
`Uponreceiving the DVD stream data from the DVD
`serving as video data decoded by the video decoder (MPEG-
`controller (DVD-CONT) 22 via the path 20b,
`the sub-
`DEC) 23, and the sub-picture data decoded by the sub-
`picture decoder (Sub-Picture-DEC) 24 extracts and decodes
`picture decoder (Sub-Picture-DEC) 24 to generate repro-
`the sub-picture data therefrom, and outputs them.
`duced output image for display.
`Upon receipt of the DVD stream data from the DVD
`The audio amplifier (AMP) 27 amplifies the audio signal ,,
`controller (DVD-CONT) 22 via the path 20c,
`the audio
`(in this embodiment, two channel stereo signal for L/R) ~
`deeoder (Audio-DEC) 25 extracts and decodes the audio
`decoded by the audio decoder (Audio-DEC) 25.
`44’ from the DVD-CONT22, and outputs them.
`The display (DISP) unit 31 is comprised of a flat pane]
`The motionpicture data serving as the video data decoded
`display, which displays the regeneration output image gen-
`os DY the video decoder (MPEG-DEC) 23 and the sub-picture
`erated by the video mixer (MIX) 26.
`The speaker 32 outputs the two channel stereo signal data decoded by the sub-picture decoder (Sub-Picture-DEC)
`amplified by the audio amplifier (AMP) 27 as audible sound.
`24 are mixed by the videomixer (MIX) 26 to generate the
`In this embodiment, the speaker 32 is attached on the panel
`reproduced output image signal for display. The reproduced
`ofthe display (DISP) unit 31, andis provided with a switch
`°¥'PUt image signalis forwardedto the display (DISP) unit
`mechanism inhibiting operation of the speaker 32 while a 30 31 for display.
`;
`:
`headphone is connected to the headphone jack 33.
`The audio signal decoded by the audio Hecotee (Audio-
`FIG. 4 illustrates the outer appearance of the portable
`DEQ) 23 deermpiihied Dy the aucio anipHner (AME) 27 andl
`DVD player having the arrangement as described above.
`supplied to the speaker 42 for the output of the stereo sound.
`The same numerals are used for the same parts as shown in
`is fe Reape is Conmneted to the: peanphoae fick 3; 1
`FIG. 1.
`35 18 en ne . Seer a neePe data
`recorded in can be reproducedbythe battery powerthe
`
`
`eeerzr2 ply wil caringin aay passwel nor
`pointing device such as ACCUPOINTand the like for the
`é1G. 2 ap blockdiagram showing ee arrangewent wibtin
`control of the DVD reproduction. Moreover,
`the DVD ae nt the, portable cue! piayet SKeOKGING 16 8. score
`loading mechanism 3, and the cover 4 which opens when 4° eeabodinient Ds thepresent invention. In FIG. 2, the same
`loading the DVD to the DVD loading mechanism 3, are
`numeralsare used for thesame parts as in FIG. 1, and thus
`provided
`the description thereof will be omitted,
`;
`.
`alas
`j
`i
`The second embodimentdiffers from the first embodiment
`cingcoveranit2comband detachblyprviig that
`in aion tothe tinction of rowodncng
`display (DISP) unit 31, and the speaker 32 so as to allow *° Baealas en tee EDssipAletaDos ae piers »
`them to be operable when the cover unit 2 is opened, The ceee pNe player pkaoa eras
`frame | has an elongated recess 6, as shown in FIG.4,into
`alone DVD player ee pessonal coriputer terminal
`oe aa anaer-oeves @ essence when: the inner
`In FIG,2, the composite converter (COMPOS-CONV)43
`:
`so converts the reproduced output
`image data for display
`An Speraven of the portable DVD player constructed as
`generated by the video mixer (MIX) 26 into the NTSCsignal
`above. will now be described.
`.
`for an external CRTdisplay monitor. The converted NTSC
`For reproducing the DVD,the cover unit 2 and the cover
`—_ipnal is output externally via the NTSC output terminal 44.
`4 are opened, the DVDis loadedat a given position, and the
`The composite converter (COMPOS-CONV) 43 may be
`cover 4 is closed.
`55 implemented by the well-knownart.
`Thereafter, the power on/off switch of the input section
`According to the structure described above, the motion
`(KEY) 13 is operated to thereby supply power from the
`picture/still picture data reproduced from the DVD can be
`power(PS) 19 to each system components. Thus, the repro-
`displayed not only on the display unit (DISP) 31 using the
`duction process is executed in accordance with the instruc-
`flat panel display, but also on the external CRT monitor.
`tion of the input unit (KEY) 13.
`60 Further,
`the monitor picture data output
`from the DVD-
`An operation of each components in the ordinary dynamic
`CONT 22 encoded based on MPEGI or MPEG2, and the
`DVD player reproduction process will now be explained.
`combined image data of the data decoded by the video
`The DVD controller (DVD-CONT) 22 controls DVD
`decoder 23 and the sub-picture decoder 24, can be selec-
`drive mechanism (DVD-DRY) 21 under the control of the
`tively output
`to an external personal computer from the
`CPU LI to read the DVD stream data out of the DVD loaded 65 communication port 15 and through the data buffer area in
`on the DVD loading mechanism 3. The DVD-CONT 22
`the internal memory (MEM) 12. Performing encryption
`temporarily stores the DVD stream data in the data buffer
`process on the data output via the communication port 15
`
`Jaguar Land Rover
`Exhibit 1026
`Page 009
`
`Jaguar Land Rover
`Exhibit 1026
`Page 009
`
`

`

`US 6,169,847 B1
`
`0
`
`1S
`
`7
`under control of the CPU 11 can avoid an illegal copying.
`Any well-known arts are available to encrypt
`the DVD
`streamdata.
`
`8
`data and audio data for reproduction. FIG. 5Aillustrates an
`example of a command sequence requesting selection and
`output of the encoded stream data and FIG. 5B illustrates an
`example of a command sequence requesting selection and
`FIG, 3 is a block diagram showing an arrangement within
`output of the decoded video/audio data for reproduction.
`a frame of the portable DVD player according to the third
`For selection of the coded stream data in FIG. 5A, the
`embodiment of the present invention. In FIG, 3, the same
`computer (PC) sends a command requesting the coded data
`reference numerals are used for the same parts as those in
`to the portable DVD player via the communication port 15.
`FIGS. 1 and 2. The same components as those in FIGS. 1
`Responding to the command, the portable DVD player (the
`and 2, and the description thereof will be omitted.
`CPU 11) controls switching of the video data selector (SEL)
`The third embodiment differs from the second embodi-
`41 so as to select the coded DVD stream data. Thereafter, it
`ment in that the encoded motion picture data output from the
`prepares, for example, packets containing the video data and
`DVD-CONT 22 and the mixed image data of the data
`the audio data coded pursuant
`to MPEG 2 format,
`thus
`sequentially forwarding them toward the computer via the
`decoded by the video decoder 23 and the sub-picture
`communication port 15,
`decoder 24 are selected and output to the communication
`On the other hand, for selection of the decoded video/
`interface (EX-I/F) 14 through a dedicated data transfer path.
`audio data for reproducing in FIG. 5B, the computer (PC)
`Thus, no load is applied to the internal memory (MEM) 12
`sends a commands requesting the decoded data to the
`and the system bus 10 at all when a large amount ofvideo
`portable DVD player. In response to the command, the DVD
`data is transferred.
`Player (the CPU 11) controls switching of the video data
`In FIG, 3, the video/audio mixer (MIX) 45 mixes the ,
`audio signal output from the audio decoder (Audio-DEC) 25 20 selector (SEL) 41 so as to select the decoded video/audio
`such as the Dolby Digital audio signal, and the decoded
`“ala for reproducing. Subsequently,it forms, for example,
`mixture data ofthe video data and the sub picture data output oeeeeVedaeeeee
`from the video mixer (MIX) 26.
`sete
`:
`=
`i
`ne
`atone
`The video/audio selector 41 selects,
`in response to a 95 clon oe 2 oa oeoe ee
`selection control signal from a computer connected through
`onnar, eece ee
`the communication port 15, the encoded motion picture data CoE ICEHO port 45/20 then:
`:
`.
`(data prior to decoding) output from the DVD-CONT 22 or
`The portable: DVD player of
`the above embodiments
`the decoded video/audio data output from the mixer 45, and
`should a be taken to Limit each configuration and each
`outputs the selected data to the communication interface 39 functionthereinto themselves.or example, otherstructures
`(EX-IF) 14 through the image data buffer (BUF) 42. Note
`©" ©onfigurations,such as a configuration having a DVDtray
`that
`the stream data output from the DVD-CONT 22 is
`moving horizontally; 2 cotaueiion having : healthy a
`decrypted and supplied to the video data selector (SEL) 41
`Comnnicabon interfaces, &.85 SCSI interface, IEEE 1394
`if the data has been encrypted.
`interlace, and PC card interlace, a configuration having a
`:
`2
`function of reproducing CD-ROM and music CD; and a
`i aASS: Gh Eanes SURFS a is used to transfer to the 35 configuration having a television tuner are available.
`communication interface (EX-I/F) 14 the reproduced output
`vurther.
`the above
`displ
`it
`may
`b
`vedienciiihat
`image data for display and audio data mixed by the video/
`. Hurthen ‘ ee ove ISP ay ee may gana ae
`e
`audio mixer (MEX) 45.
`it serves as a cover when not used anc it is swingable and
`.
`.
`:
`a
`,
`detachable with respect
`to the main body. Such structure
`Further, in the third embodiment, a digital audio output
`facilitates carrying by removingthe display unit 31 from the
`terminal of DOLBY DIGITAL(5.1 channel) may be added *° tain pody when the headphone is connected to the head-
`to the audio decoder (AUDIO-DEC) 25 and a DOLBY
`phone terminal 33 for playing the music CD.
`readily
`DIGHTAL amplifier may be enlemally conaceted to the
`Additional advantages and modifications will
`terminal, resulting in high-quality surround audio.
`occur to those skilled in the art. Therefore, the invention in
`According to the third embodiment, the motion picture/ gs_its broader aspectsis not limited to the specific details and
`still picture data reproduced from DVD can be displayed on
`™
`representative embodiments shown and described herein.
`the display unit (DISP) 31 using the fat panel display as well
`Accordingly, various modifications may be made without
`as on the external CRT monitor.
`departing from the spirit of scope of the general inventive
`Furthermore,
`the motion picture data output from the
`concept as defined by the appended claims and their equiva-
`DVD-CONT22 and encoded in accordance with MPEGIor 59 lenis.
`MPEG2, or the mixed image data of the data decoded by the ~
`Whatis claimed is:
`video decoder (MPEG-DEC)23 and the sub picture decoder
`1. A battery drivable portable-type digital versatile disk
`(Sub-Picture-DEC) 24 can be selected and output
`to an
`(DVD) player, comprising:
`external computer through the communication port 15.
`a frame having a top surface in which a disk opening for
`Furthermore, the selected large amountof video data can 5;
`loading and ejecting the DVD is formed, and having a
`be transferred to the external personal computer through the
`front side surface in which an elongated recess is
`communication interface (EX-I/F) 14 through the dedicated
`formed;
`data transfer path without burdening the internal memory
`a battery mounted within the frame for powering the DVD
`(MEM) 12 and the system bus with a load.
`player;
`Further, the data output from the communication port 15 gq
`a display unit rotatably connected to a back side surface
`may be encrypted under the control of the CPU 11, thereby
`of the frame through a hinge, the display unit swinging
`prohibiting illegal copying.
`between an open position of which a screen is viewable
`FIGS. 5A and 5B are diagrams showing command
`and a closed position in which the sereen is not view-
`sequences between the computer and the portable DVD
`able;
`player for selecting and outputting,
`in response to com- 65
`a switch unit provided in the display unit, for switching
`mands from the computer connected through the commu-
`power supply for the DVD player on and off in accor-
`nication port, the encoded stream data or the decoded video
`dance with an open/close operation of the display unit;
`
`Jaguar Land Rover
`Exhibit 1026
`Page 010
`
`Jaguar Land Rover
`Exhibit 1026
`Page 010
`
`

`

`US 6,169,847 B1
`
`0
`
`15
`
`9
`an inner cover having a lip extending into the elongated
`recess of the front side surface of the frame;
`a key input section provided on the top surface of the
`frame, the section being arranged to avoid overlapping
`with the inner cover and the disk opening;
`a DVD drive unit mounted within the frame for driving
`the DVD containing MPEGstream data;
`an MPEGdecoderfor receiving and decoding the MPEG
`stream data read from the DVD; and
`stereo speakers mounted on bothsidesofthe display unit.
`2. The player according to claim 1, further comprising:
`an external-interface unit
`for communicating with an
`external computer.
`3. The player according to claim 1, further comprising:
`a dedicated bus unit for selectively transferring the MPEG
`stream data from one of the DVD drive units and the
`MPEGdecoder to the external-interface unit.
`4. The player according to claim 1, further comprising:
`a sub-picture decoderfor decoding the MPEGstream data 7”
`read from the DVD drive unit, thereby generating a
`sub-picture data; and
`a mixer unit for synthesizing a video data generated by
`said MPEGdecoderand the sub-picture data generated...
`by the sub-picture decoder into a play back image.
`=~
`5. A battery drivable portable-type digital versatile disk
`(DVD) player, comprising;
`a frame having a to