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`A method andsystem for displaying the multimedia information from wireless
`
`communications or portable IT devices
`
`Inventors:
`
`Tieyun (Ronald) Wang; Tiehong (Ann) Wang, William Halal, Ximing Wang, and
`
`Tiecheng Wang
`
`Abstract:
`
`The invention presents a method and system for displaying the high rate data flow such
`
`as multimedia information in both a wireless communication environmentand a non-
`
`communication environment. One application of the invention is to display multimedia
`information for the wireless terminal in the next generation cellular (3G and 4G) era. The
`next generation (3G or 4G)cellular network will be employed in transmitting multimedia
`
`information (graphic, real-time audio/video). However, the mobile terminal(cellular .
`
`phone, personaldigital assistant (PDA)) cannotdisplay the high quality video and audio
`
`information on its small size screen and earphoneswith clarity and satisfaction. This
`
`invention discloses a method and system in which a separate multimedia display terminal
`
`(a monitor/ a TV set/ a projector/ a LCD) with speakers is connected with the mobile
`
`terminal(cellular phone, personaldigital assistant (PDA))or a portable IT device
`
`(defined as any portable device with a function or any combination of functionsthatis
`achieved by a desktop computer) through a video (graphic) processor. This multimedia
`display can be a cathoderaytubedisplay, liquid crystal display, LCD,a projection unit or
`
`any combinationthereof. In this invented system, the multimedia information through
`wireless network or information from a portable IT device is displayed on a separated
`
`display instrumentdriven by the video (graphic) processor connected with the mobile
`
`terminal or the portable IT device. Three designs are suggested in this invented system:
`
`1.
`
`a video (graphic) processor being embeddedin the mobile terminalor the portable
`
`IT device;
`
`2.
`
`3.
`
`a video (graphic) processor being embeddedin the external display equipment;
`
`an external video (graphic) processor.
`
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`Background ofthe invention
`
`Soon, any combination of functions of a computerwill be separated into a portable
`
`device so that people will be able to work and access multimedia information any time
`
`and anywhere. The most appealing advantage and the dominanttrend of the next
`
`generation wireless communication system (3G) and beyondisits capacity of supporting
`
`high rate multimedia data services as well as the conventional voice services. As
`
`demonstrated in FIG. 1, the cellular phone functions as a multimedia terminal to display
`
`multimedia information, the high-resolution graphic and the high-quality real-time
`
`audio/video, sent from high data rate wireless communications network. The limited size
`
`(2 inch by 3 inch mostly) of the screen of a mobile terminal (cellular phone) meansa lot
`
`inconveniencefor people to access the high rate data flow. The consequenceofthe
`
`limitation of small screen of a wireless terminal or a portal IT deviceis the shrinkage of
`
`the potential market size. People even havestarted to doubtthe original motivation of the
`
`3G systems: whatis the point of providing high data rate services for such a small
`
`screen?
`
`This invention provides an answer: we don’t display the data flow on the screen of a
`
`mobile terminal (cellular phone) or any portable IT deviceitself but on an external
`
`monitor/display instead. Since the possibility that a customer requests multimedia
`
`services while walking is very small, we suggest set up external displays in transportation
`
`devices such as planes, vehicles and hotels where people demandhigh data rate services.
`
`Summary of the invention
`
`1. A method and system are disclosed which enables a customerof a
`
`wireless/mobile terminalor a portable IT device to view the video information
`
`from an external display terminal including a monitor, a projector, a LCD, a TV
`
`set) with speakers.
`
`2. An object of the invention is to provide a method and system overcome the
`
`inconvenience andlimitations of the small size screen in a mobile terminal or a
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`portable IT device for displaying high data rate information either from a network
`
`or not.
`
`3. A particular feature of the invented system relates to that the video (graphic)
`
`processorhas the following functions:
`
`3.1 Understanding the data format from the mobile terminal received through the
`wireless network or from the portable IT device;
`3.2 Processing the received data and convertingit into the signal to be recognized
`and displayed on the multimedia display terminals;
`
`3.3 Feeding the converted signal to the multimedia display terminals;
`
`3.4 Driving at least one multimedia display terminal.
`
`4. There are three major means to implement the connection in the invented system
`
`illustrated as below:
`
`4.1
`
`Cellphone-Embedded Video (Graphic)Processor (FIG.2)
`
`The video (graphic) processor chipset is embedded in the mobile terminal
`
`(cellular phone, PDA)or the portable IT device. The data from the mobile
`
`terminal sent from the basestation or the data from the portable IT device
`is processed by the embeddedvideo (graphic) processor (such as Graphic
`
`Processing Unit) and sent out as image signals to the external displays.
`
`e Advantage:
`
`Any standard monitor or LCD or TV set or a
`
`projector can serve as an external display. Only a simple cableis
`
`required to connect the external display with the mobile terminalor
`
`the portable IT device.
`
`e Disadvantage:
`
`It
`
`is a challenge to install
`
`the video/graphic
`
`processor in a mobile terminal or a portable IT device due to the
`smallsize ofthe portable device and the limited battery power.
`
`4.2 Monitor-Embedded Video/Graphic Processor: (FIG.3)
`
`The video (graphic) processor chipset
`
`is embedded in the external
`
`displays.
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`« Advantage: For external displays, the issues caused by the size
`
`and battery power of the “host” are resolved. Any 3G mobile
`
`terminaland IT portable device can be connected to the external
`
`displays.
`
`* Disadvantage: Not every standard monitors can be used as external
`
`monitor in the suggested system. Only those embedded with video
`
`(graphic) processorcan.
`
`4.3.
`
`External Video/Graphic Processor: (FIG.4)
`
`is packed into an independent
`The video/graphic processor chipset
`external hardware called “external video/graphic processor box”.
`It is
`connected to the mobile terminal/portable IT device on one end and to the
`
`external display on the other. The video/graphic processor inside the
`
`“external video/graphic processor box” converts the multimedia data from
`
`the mobile terminal/portable IT device into image signals and feeds the
`
`output to the external displays to be viewed.
`
`e Advantage: Any standard mobile terminals/portable IT devices and
`
`the displays can fit into the suggested system.
`
`e Disadvantage: One more hardware is addedinto the system
`architecture.
`
`A more complete understanding of the present invention, as well as further features and
`
`advantages ofthe present invention,will be obtained byreference to the drawings and
`detailed description. The figures 2 - 4 describe the mechanism of the invented system
`applied in a wireless combination environment.
`
`Descriptions of the drawings
`
`FIG.1 is a schematic illustrating the conventional mobile terminal display system where
`
`the video information is displayed on the screen of a mobile terminal (cellular phone).
`
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`FIG.2 is a schematic illustrating the invented system in which an external multimedia
`
`display terminal displays the video information received by a mobile terminal. In this
`
`system, the video (graphic) processor is embeddedinside the mobile terminal and
`
`connected with the external display terminal processing data between the mobile terminal
`
`and multimediadisplay.
`
`FIG.3 is a schematic illustrating the invented system in which an external multimedia
`
`display terminal displays the video information received by a mobile terminal. In this
`
`system, the video (graphic) processor is embeddedinside the external multimedia display
`terminal and converts the data between the mobile terminal and multimediaplayer.
`
`FIG.4 is a schematicillustrating the invented system in which an extemal multimedia
`display terminal displays the video information received by a mobile terminal. In this
`system, the video (graphic) processoris madeas a separate equipmentprocessing data
`between the mobile terminal and multimedia player.
`
`FIG. 5 introduces the various applications ofthe invented system.
`
`FIG. 6 is flowchart describing the key procedures of the invention.
`
`It is to be understoodthat the embodiments and variations shown and described in these
`
`drawings and descriptions are merelyillustrative of the principles of this invention and
`that various modifications may be implemented bythose skilled in the art without
`
`departing form the scope andspirit of the invention.
`
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`

`<3,1>
`
`f
`
`<2>
`
`eee
`Service)
`Brovicer
`
`Networks
`
`multimedia data stream
`
`
`
`Res
`
`
`Base
`station
`
`FIG.1
`
`FIG. 1 describes a conventional cellular display system in which a mobile terminal <3>
`
`communicates with a base station <1> through the wireless communication environment
`
`<2>. The transmitted multimedia information, such as TV, 3D images, network games,
`videophonecalls, from various service providers <0> is displayed on the screen <3.1> of
`
`a mobile terminal. Thenet result of the functions of the system is the multimedia
`
`information being displayed on a small size monitor ofa cell phone.
`
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`

`

`
` station
`
`
`
`Video (Graphic) Processor
`
`FIG. 2
`
`FIG.2 illustrates the invented system for displaying multimedia information wherein at
`
`least a separate multimedia player (monitor, LCD, TV set, projector) <8> is available. In
`this system, the received multimedia information <5> is processed by the video (graphic)
`processor <7> embeddedinside the cellular phone <6> and sent to a separate multimedia
`player <8> for display. The processed signals were fed into the multimedia player <8>
`via the communications <9>.
`
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`

`data stream
`<12>
`
`
`
`Service,
`Tyeeyet)
`Provides
`
`Base
`staiion
`
` multimedia
`
`
`embedded
`Video (Graphic) Processor
`
`
`
`FIG.3
`
`FIG. 3 describes the invented system for displaying multimedia information wherein at
`
`least a separate multimedia player <15> is available.In this case, the received multimedia
`information <12> is displayed on a separate multimedia player <15> after being
`
`processed by the video (graphic) processor <16> embedded inside the multimedia player
`
`<15>. The received signal was transmitted into the video (graphic) processor <16>
`
`embeddedinside the external multimedia player <15> through the connection <14>. The
`
`video (graphic) processor <16> then processes the data into imagesignals and drives the
`
`external multimedia player <15>.
`
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`

`
`
`
`multimedia
`data stream
`<18>
`
`
`
`
`
`Video (Graphic) Processor
`
`FIG.4
`
`FIG.4 describes the invented system for displaying multimedia information wherein at
`
`least a separate multimedia player <24> is available. In this system, the received
`
`multimedia information <18> is displayed on the separate multimedia player <24> after
`being processed by the video (graphic) processor <22> embeddedinside an external
`
`“video (graphic) processor box” <21>. The received signals from the mobile terminal
`
`<19> were transmitted into the video (graphic) processor <22> through the connection
`
`<20>. The video (graphic) processor <22> then processes the data and transmits the
`
`processedsignals into the external multimedia player <24> for display via <23>.
`
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`Applications
`
`Locations
`
`Video (Graphic) Processor
`
`Sen ie)
`
`my
`
`data stream
`
`Proviser
`Remote
`
`FIG. 5
`
`Figure 5 illustrates some applications of the invented system. The invented system can be
`
`placed inside a vehicle,a planeor any transportation instrument and enable the passenger
`
`to read GPS map, browsethe internet, watch TV,play internet games, have videocall,
`
`and work onall sorts of software such as Word and Excel.
`
`Page 12 of 14
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`10
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`

`

`A mobile terminal receives multimedia information or data is processed
`in a portable IT device.
`
`
`
`
`
`
`Data flows are sent to the video/graphic processor from the mobile
`terminal or a portable IT device and is processed and converted into
`image signals.
`
`
`
`
` The imagessignals are sent from the video/graphic processor to
`
`
`the separate display(s) such as LCD, monitors, TV sets,
`projectors, etc.
`
`
`
`
`
` People view the multimedia information on the separate
`
`display.
`
`
`FIG. 6
`
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`PATENT APPLICATION SERIAL NO.
`
`U.S. DEPARTMENT OF COMMERCE
`PATENT AND TRADEMARK OFFICE
`FEE RECORD SHEET
`
`07/19/2004 HGUTEHAL 00000005 60588356
`
`OL FC:2005
`
`80.00 OP
`
`PTO-1556
`(5/87)
`
`.
`
`*U.S. GovermentPrinting Office: 2002 — 489-267/69033
`
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