TWM420460U - Wireless audio and video system for automobile - Google Patents

Wireless audio and video system for automobile Download PDF

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Publication number
TWM420460U
TWM420460U TW100214392U TW100214392U TWM420460U TW M420460 U TWM420460 U TW M420460U TW 100214392 U TW100214392 U TW 100214392U TW 100214392 U TW100214392 U TW 100214392U TW M420460 U TWM420460 U TW M420460U
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TW
Taiwan
Prior art keywords
audio
tablet
car
video
wireless
Prior art date
Application number
TW100214392U
Other languages
Chinese (zh)
Inventor
Shi-Yao Chen
Original Assignee
Shi-Yao Chen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shi-Yao Chen filed Critical Shi-Yao Chen
Priority to TW100214392U priority Critical patent/TWM420460U/en
Priority to DE202011051697U priority patent/DE202011051697U1/en
Publication of TWM420460U publication Critical patent/TWM420460U/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications
    • H04L65/401Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
    • H04L65/4015Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/61Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Description

M420460 五、新型說明: 【新型所屬之技術領域】 本創作關於一種汽車影音系統,尤指一種以一主機單元對應多個 平板電腦所構成的無線汽車影音系統。 【先前技術】M420460 V. New description: [New technical field] This creation is about a car audio and video system, especially a wireless car audio and video system composed of a single host unit corresponding to multiple tablet computers. [Prior Art]

習知之》气車影音播放系統,例如DVD或DVB-T/ATSC/CMMB (數位 電視),其通常具有一主機系統以及一個或多個顯示面板,且該顯示面 板通常係經由纜線連接至該主機系統,以便接收該主機系統所傳送之 類比影音訊號,例如NTSC或pAL並予以播放。 ;S知的八車景;j音播放系統必需拉引複雜的接線,使得組裝於 「占的施工十》費時。針對此—問題’在中華民國發明專利I27⑽ 汽=線數位影音系統及其方法」專利前案中,其係應用於一汽車 該儲域,梅—辟㈣-嫌稱介面,其中 該儲存裝置料t从至少 一無線網路介面及—顯示 …、裝置、具有 音主機;俾_干由該無、_路介面連接至該影 之數位影音魅扣減。 接彳d θ _所傳送A conventional air-car audio and video playback system, such as a DVD or DVB-T/ATSC/CMMB (digital television), which typically has a host system and one or more display panels, and the display panel is typically connected to the cable via a cable The host system is configured to receive an analog video signal transmitted by the host system, such as NTSC or pAL, and play it. S knows the eight car scene; j-tone playback system must pull complex wiring, making it time-consuming to assemble in the "occupation of construction ten." For this - the problem 'in the Republic of China invention patent I27 (10) steam = line digital audio and video system and method In the pre-patent case, it is applied to a storage area of a car, Mei-Pu (4)-suspect interface, wherein the storage device t is from at least one wireless network interface and - display ..., device, with audio host; _ Dry by the no, _ road interface connected to the shadow of the digital audio and video charm deduction. Connected by d θ _

改進。 該前案中之設計為一對一系統, 應用上仍較為侷限,有待 【新型内容】 3 影音系統 針對先前技術之問題點,本創作提供了一種無線汽 係包括: / 多媒早70 ’設胁—汽車内’至少具有—第—無線通訊模組及 =音處理裝置;該多媒體影音處理裝置可執行多種不同來源的 7貝料;軌車㈣電«崎贿過-汽車_躲魏與該主 傻ΙΓΓ,航車的控㈣訊數雜由該錢單元觸所產生的影 像或數據資料; 至少-平板電腦,至少具有—觸控面板之顯示屏以及一第二無 線通訊模組;及 -組汽車音響域齡裝置,設置贿汽車㈣纽置,並與該 主機單元相連接; 該平板電腦之觸控面板可被操作產生指令,經無線通訊傳輸至該 主機早歧㈣m多顧料處縣錄行射1音資料,所產生 的影像資料經鱗通訊傳輸至該平板電腦之顯示屏播放,而所產生的 音響則經由該汽車音響主機擴音裝置播放。 w本創作所提供的無線汽車影音_,其中魅機單元及該平板電 制之第-及二無線通訊模組係為職模组。該主機單元與該平板電腦 之間係以可靠傳輸協定(RTP)來傳輸影音資料。 本創作所提供的躲汽車影音純,進—步包括—充電錢,透 過-湖傳輸線連接至辭㈣腦㈣該平板·_電池充電。 本創作所提供的祕汽車影料統,其巾社鮮元之影音處理 裝置係可叙細(CD)、触多魏f彡音辅(dvd)、記憶卡⑽) M420460 或USB之影音擋案,可處理無線電視(DVB T),並具有—全球定位 系統傳感器(GPS Sensor),並可處理FM/AM廣播訊號;主機單元也 可連接一汽車後視鏡頭(Rear Camnera )及一音源輸入插孔(Αυχ ΐη )。 本創作所提供的無線汽車影音系統,其中該平板電腦具有藍芽 (Bluetooth)功能而可與一藍芽裝置(BT Device)連通,也具有一全 球定位系統模組(GPS Module)。 、 、 本創作所提供的無線汽車影m係·無線峨來連接主機 單元及平板電腦,這料再需要在汽車峨引複_接線,使得系統 能快速馳裝;同時,平板賴也可歸岐料,單财作電腦使 用’這將使得整個嫌㈣知的汽車影料統,本創作更具實用進步 功能。 以下,將依據圖面所示之實施例_加說明本創作之架構特點及 操作功效。 【實施方式】 請參見第一圖所示,本創作所提供的-種無線汽車影音系統架 構’主要係由-個主機單元(Head Unit)工、多個平板電腦(PAD) 2、-_音裝置3、—充電裝置4及—藍芽裝置5所構成。 本創作纟趨於—汽車内’而汽車控觀腦系統資訊透過汽車控制 總線(C㈣us) 6通訊與主機單元1連結,該汽車的控制資訊數據經 由機單元1轉碼所產生的影像或數據資料,經無線通訊傳輸至平板 電腦2顯示或控制。主機單元1透過Wifi的傳輸系統可以對應多個平 5 板電腦2做物示及控制終端,並可連結為資訊共享的系統。 且姑,請配合第二圖所示,本創作的主機單元工設置於—汽車内, 「有無線通訊模組i i及—多媒體影音處理裝置;第—無線通 訊模組1 1係為Wifi模組,㈣體影音處理裝置可執砂種不同來源 的影音資料。影音處理裝置係可處理光碟(cd)、數Μ魏影音光碟 (議)、記憶卡(SD)或USB之影音檔案,也可處理無線電視 (DVB-T) ’或處理FM/AM廣播訊號。主機單元i也可具有一全球定 位系統傳感器(GPS Sensor ),或連接_汽車後視鏡頭(尺咖c_⑽), 或具有二音源輸入插孔(AUX-In)。 在第二圖中所示的主機單元i ’其外側具有一使用者介面丄2以 供使用者操作’而使用者介©1 2係包括—些按紐,以控制音量、收 音機頻率調整或各種功能的操作《另,一微控制器(MCU)丄3内具 有控制程式’並連接第-無線通訊模經1 1、一影像開關混合器(vide〇 SWMixer) 14、一聲音開關控制器(Vol.SWDS) 15及一電力管 理裝置16。影像開關混合器14控制影像,而聲音開關控制器工5 則控制汽車音響主機擴音裝置3,電力管理裝置丄6自汽車電力系統 中取得電力。主機單元1可進一步連接一汽車行車紀錄器(Digital videoImprove. The design in the previous case is a one-to-one system, and the application is still relatively limited. It is awaiting [new content] 3 The audio-visual system is aimed at the problems of the prior art. This creation provides a wireless steam system including: / Multi-media early 70' The threat-at-car has at least the first-wireless communication module and the sound processing device; the multimedia audio-visual processing device can execute 7 kinds of materials from a variety of different sources; the rail car (four) electric «saki bribe-car _ hide Wei and the The main silly, the control of the aerial vehicle (four) is mixed with the image or data generated by the money unit; at least - the tablet computer has at least a touch panel display and a second wireless communication module; and - A group of car audio domain age devices, set a bribe car (four) button, and is connected with the host unit; the touch panel of the tablet can be operated to generate instructions, transmitted to the host via wireless communication early (four) m more care county Recording and shooting 1 tone data, the generated image data is transmitted to the display screen of the tablet computer through the scale communication, and the generated sound is played through the car audio host amplification device. w The wireless car audio and video provided by the creation _, in which the charm unit and the first and second wireless communication modules of the tablet are the service modules. The host unit and the tablet transmit audio and video data in a reliable transmission protocol (RTP). The self-defeating car audio and video provided by this creation is pure, and the step-by-step includes - charging money, connecting to the word through the - lake transmission line (four) brain (four) the tablet _ battery charging. The secret car film system provided by this creation, the audio-visual processing device of the towel company, can be described as a CD (CD), a touch of Wei Wei (dvd), a memory card (10), M420460 or USB audio and video files. It can handle wireless TV (DVB T) and has a GPS sensor and can handle FM/AM broadcast signals. The host unit can also be connected to a rear-view lens (Rear Camnera) and an audio input plug. Hole (Αυχ ΐη). The wireless car audio and video system provided by the present invention, wherein the tablet has a Bluetooth function and is connected to a Bluetooth device (BT Device), and also has a Global Positioning System module (GPS Module). , the wireless car shadow m system provided by this creation, wireless 峨 to connect the host unit and tablet computer, this material needs to be in the car 峨 _ 接线 wiring, so that the system can quickly fast; at the same time, the flat Lai can also be blamed Material, single-finance computer use 'This will make the whole suspected (four) know the car shadow system, this creation is more practical and progressive function. Hereinafter, the architectural features and operational effects of the present creation will be described in accordance with the embodiment shown in the drawings. [Embodiment] Please refer to the first figure. The wireless car audio and video system architecture provided by this creation is mainly composed of one Head Unit and multiple Tablet PCs (PAD). The device 3, the charging device 4, and the Bluetooth device 5 are constructed. The creation tends to be in the car - and the car controls the brain system information through the car control bus (C (four) us) 6 communication is connected with the host unit 1, the control information of the car is transcoded by the machine unit 1 to generate images or data , transmitted or transmitted via wireless communication to the tablet 2 for display or control. The transmission unit of the host unit 1 through the Wifi can be used as a display and control terminal for a plurality of tablet computers 2, and can be connected as a system for information sharing. And, please cooperate with the second picture, the host unit of this creation is set in the car, "there are wireless communication modules ii and - multimedia audio and video processing devices; the first - wireless communication module 1 1 is the Wifi module (4) The body audio and video processing device can perform audio and video data from different sources. The audio and video processing device can process audio and video (cd), digital video (discussion), memory card (SD) or USB audio and video files, and can also be processed. Wireless TV (DVB-T) 'Or processing FM/AM broadcast signal. Host unit i can also have a GPS sensor, or connect _ car rear view lens (foot coffee c_ (10)), or have two audio input Jack (AUX-In). The host unit i' shown in the second figure has a user interface 丄2 on the outside for the user to operate, and the user interface 1-2 includes some buttons to Control the volume, radio frequency adjustment or operation of various functions "In addition, a microcontroller (MCU) 丄 3 has a control program' and connects the first - wireless communication mode 1 1 , an image switch mixer (vide 〇 SWMixer) 14 , a sound switch controller (Vol. SWDS) 15 and a power management device 16. The image switch mixer 14 controls the image, and the sound switch controller 5 controls the car audio host sound amplification device 3, and the power management device 6 obtains power from the automobile power system. 1 can be further connected to a car driving recorder (Digital video

Recorder) 1 7 〇 進者,本創作以一個主機單元1對應多個平板電腦2。而平板電 腦2其中之一可被設定為主控,其具有一觸控面板21,並在内部設 置一第二無線通訊模組與主機單元1之第一無線通訊模組11連通, 並以可靠傳輸協定(RTP)來傳輸影音資料。汽車音響主機擴音裝置3 設置於汽車内適當位置,並與主機單元1相連接。汽車音響主機擴音Recorder) 1 7 In this case, this creation corresponds to a plurality of tablets 2 with one host unit 1. One of the tablet computers 2 can be set as a master control, and has a touch panel 21, and a second wireless communication module is internally disposed to communicate with the first wireless communication module 11 of the host unit 1 and is reliable. Transmission Protocol (RTP) to transmit audio and video data. The car audio host amplification device 3 is disposed at an appropriate position in the car and connected to the host unit 1. Car audio host amplification

M42U40U 裝置3可具有無線傳輪功能。 …板電腦2之觸控面板2丨可被操作產生指令經盔 線通訊傳輸至錢單元1雖财舰影音處絲置執行其中-影音、 資料所產生的影像資枓經無線通訊傳輸至平板電腦2之觸控面板2 1播放❿所產生的音響則經由汽車音響主機擴音裝置3播放。 w板電腦2可以搭载3 5G/4G無線童話及數據傳齡統,於汽車 上應用可實現#贼車魏及車隊管理及輯管m統内置有 GPS系断_ 3.5GMG無線電話及數贿輸提供汽車相關行車位 置及資訊存檔或回報。 又’一充電裝置4透過-USB傳輸線連接至平板電腦2而對平板 電腦2内的電池充電。 在平板電知2内具有藍芽(Biuetooth)功能而可與一藍芽裝置(grp Device) 5連通。同時,參見第三圖所示,平板電腦2可具有一全球定 位系統模組(GPS Module),利用主機單元1内的Gps天線模組使 得平板電腦2可作導航功能。 在下表中,揭示了本創作所提供的無線汽車影音系統各種使用功 能操作訊號來源: 傳輸模式 適用範圍 平板電腦(PAD)— >指令(Command) — >主機 單元(Head Unit) 主機單元(Head Unit)—>可靠傳輸協定(RTP (Video))—> 平板電腦(PAD) DVD、數位電視 主機單元(Head Unit)— > 指令(Command) — >平板電腦(PAD), 停車輔助等其他功能_ —---- 7 M420460 主機單元(Head Unit)—>可靠傳輸協定(RTP (Video)) —> 平板電腦(PAD) 平板電腦(PAD)— >指令(Command)— >主機 單元(Head Unit) FM/AM、CD 撥放 PAD整合所有歌曲(來源包含PAD、Head Unit-USB/SD) MP3 ί.撥放PAD裡的歌曲: 平板電腦(PAD) —〉指令(Command)— > 主機單元(Head Unit), 平板電腦(PAD)— >可靠傳輸協定(RTP (Audio))- > 主機單元(Head Unit) 2.撥放Head Unit裡的歌曲: 平板電腦(PAD)— >指令(Command)— > 主機單元(Head Unit) PAD整合所有Video(來源包含PAD、Head Unit-USB/SD) 平板電腦(PAD)- >指令(Command)- >主機 單元(Head Unit) 主機單元(Head Unit)—>可靠傳輸協定(RTP (Video))—>平板電腦(PAD) Video 平板電腦(PAD)— >指令(Command)— >主機 單元(Head Unit) 平板電腦(PAD) 可靠傳輸協定(RTP (Audio))—>主機單元(Head Unit) GPS 藍芽裝置(Bluetooth Device)- >平板電腦 (PAD) — >指令(Command)— >主機單元 (Head Unit) * 平板電腦(PAD) —>可靠傳輸協定(RTP (Audio))-> 主機單元(Head Unit) 或者(or) 主機單元(Head Unit)—>可靠傳輸協定(RTP (Video))-> 平板電腦(PAD) Bluetooth Device 8 M420460 顯然地,本創作所提供的無線汽車影音祕,係彻絲訊號來 連接主機單元1及平《腦2,這解再需要在汽車峰引複雜的接 線,使得系統能快速的組裝;同時,平板電腦2也可攜帶出汽車外, 單獨當作電腦制,這將使得整個相較於抄的汽車影音彡統本創 作更具實用進步功能。 综上所陳,本創作所提供的無線汽車影音系統,完全符合專利之 新穎性及進步性要件,爰依法提出申請。The M42U40U unit 3 can have a wireless transmission function. ...the touch panel of the computer 2 can be operated to generate commands to be transmitted to the money unit via the helmet line communication. Although the video of the financial ship is executed, the image information generated by the audio-visual and data is transmitted to the tablet via wireless communication. The sound generated by the touch panel 2 1 of the 2 is played by the car audio amplifier 3 . w board computer 2 can carry 3 5G/4G wireless fairy tale and data age system, can be realized in the car application #thief car Wei and team management and management system built-in GPS system _ 3.5GMG wireless phone and a few bribes Provide car-related driving positions and information archives or returns. Further, a charging device 4 is connected to the tablet 2 via a USB cable to charge the battery in the tablet 2. The tablet device 2 has a Bluetooth function and can communicate with a Bluetooth device (grp device) 5. Meanwhile, as shown in the third figure, the tablet 2 can have a global GPS module, and the tablet 2 can be used as a navigation function by using the GPS antenna module in the host unit 1. In the following table, the various operating functions of the wireless car audio and video system provided by this creation are disclosed. Source: Transmission mode Scope Tablet (PAD) - > Command - > Head Unit Host Unit ( Head Unit)->Reliable Transfer Protocol (RTP (Video))-> Tablet (PAD) DVD, Digital TV Head Unit - > Command -> Tablet (PAD), Parking Auxiliary and other functions _—---- 7 M420460 Head Unit—>Reliable Transfer Protocol (RTP (Video)) —> Tablet (PAD) Tablet (PAD) — > Command — > Head Unit FM/AM, CD Dial PAD integrates all songs (source includes PAD, Head Unit-USB/SD) MP3 ί. Play songs in PAD: Tablet (PAD) —> Command (Command) — > Head Unit, Tablet (PAD) — > Reliable Transfer Protocol (RTP (Audio)) - > Head Unit 2. Play the song in the Head Unit: Tablet Computer (PAD) - > Command - > Head Unit PAD Integration Office Video (Source includes PAD, Head Unit-USB/SD) Tablet (PAD) - > Command - > Head Unit Head Unit -> Reliable Transfer Protocol (RTP (Video) ))-> Tablet PC (PAD) Video Tablet (PAD) - > Command - > Head Unit Tablet (PAD) Reliable Transfer Protocol (RTP (Audio)) -> Host Head Unit GPS Bluetooth Device - > Tablet PC (PAD) - > Command -> Head Unit * Tablet PC (PAD) -> Reliable Transmission Protocol ( RTP (Audio))-> Head Unit or (or) Head Unit -> Reliable Transfer Protocol (RTP (Video))-> Tablet (PAD) Bluetooth Device 8 M420460 Obviously The wireless car audio and video secret provided by this creation is the connection of the host unit 1 and the flat brain 2. This solution requires complicated wiring in the car peak, so that the system can be assembled quickly; meanwhile, the tablet 2 Can also be carried outside the car, alone as a computer system, which will make the whole compared to the copied car The audio-visual system is more practical and progressive. In summary, the wireless car audio and video system provided by this creation is in full compliance with the novelty and progressive requirements of the patent, and is submitted in accordance with the law.

【圖式簡單說明】 第一圖代表本創作之系統架構圖, 第二圖代表本創作之運作原理說明圖, 第二圖代表本創作導航功能之說明圖。[Simple description of the diagram] The first diagram represents the system architecture diagram of the creation, the second diagram represents the operation principle diagram of the creation, and the second diagram represents the explanatory diagram of the creation navigation function.

【主要元件符號說明】 主機單元1 第一無線通訊模組工工 使用者介面12 微控制器13 影像開關混合器14 聲音開關控制器15 電力管理裝置丄6 汽車行車紀錄器17 平板電腦2 觸控面板21 擴音裝置3 充電裝置4 藍芽裝置5 車控制總線6 9[Main component symbol description] Host unit 1 First wireless communication module Worker user interface 12 Microcontroller 13 Image switch mixer 14 Sound switch controller 15 Power management device 丄 6 Car driving recorder 17 Tablet computer 2 Touch Panel 21 Sound amplification device 3 Charging device 4 Bluetooth device 5 Vehicle control bus 6 9

Claims (1)

M420460 六、申請專利範圍: 1 種無線ά車影音系統,係包括: -主機單元,設置於—汽細,至少財—第_無線軌模組及多 媒體影音處理裝置;該多媒體影音處理裝置可執行多種不同來源的影音 資料;該汽車㈣電齡統資訊透過—汽車控觀線通訊與該主機單元 連結,該汽車的齡】資崎_減錢單轉碼啦生_像或 資料; 至少-平板電腦,至少具有-觸控面板之顯示屏以及_第二無線通 訊模組;及 一組擴音裝置,設置於减車_纽置,並與該域單元相連接; 該平板電腦之觸控面板可被操作產生指令,經無線通訊傳輸至該主 機單元以控繼多雜影音處理裝置執行其卜影音資料,所產生的影 像資料經無線通訊傳輸至該平板電腦之顯示屏播放,而所產生的音響則 經由該汽車音響主機擴音裝置播放。 2 .依據申請專利範圍第1項所述之無線汽車影音系統,其中該主機單 元及該平板電腦之第一及二無線通訊模組係為Wifi模組。 3 .依據申請專利範圍第1項所述之無線汽車影音系統,其中該主機單 元與該平板電腦之間係以可靠傳輸協定(RTP)來傳輸影音資料。 4 .依據申請專利範圍第1項所述之無線汽車影音系統,進一步包括_ 充電裝置’透過一 USB傳輸線連接至該平板電腦而對該平板電腦内的電 池充電。 10M420460 VI. Patent application scope: 1 wireless car audio and video system, including: - host unit, set in - steam, at least financial - _ wireless track module and multimedia audio and video processing device; the multimedia audio and video processing device can be implemented Audio and video data from a variety of different sources; the car (4) electric age information through the car control line communication with the host unit, the age of the car] qisaki _ reduce the money single code sheng _ image or information; at least - tablet The computer has at least a display panel of the touch panel and a second wireless communication module; and a set of sound amplification devices, which are disposed in the vehicle reduction state and connected to the domain unit; the touch panel of the tablet computer The operation may generate an instruction to transmit to the host unit via wireless communication to control the multi-tone audio processing device to execute the audio and video data, and the generated image data is transmitted to the display screen of the tablet through wireless communication, and the generated image is generated. The sound is played through the car audio amplifier. 2. The wireless car audio and video system according to claim 1, wherein the host unit and the first and second wireless communication modules of the tablet are Wifi modules. 3. The wireless car audio and video system according to claim 1, wherein the host device and the tablet computer transmit audio and video data by a reliable transmission protocol (RTP). 4. The wireless car audio and video system according to claim 1, further comprising a charging device connected to the tablet through a USB transmission line to charge the battery in the tablet. 10
TW100214392U 2011-08-04 2011-08-04 Wireless audio and video system for automobile TWM420460U (en)

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