TWI230550B - System of sharing audiovisual output device - Google Patents

Abstract

The present invention discloses a system being able to make a plurality of audiovisual display devices to share a common source of audiovisual output, comprising: an audiovisual device selecting component for connecting a common audiovisual output device and switching the analog or digital audiovisual signal source of the audiovisual output device and emitting signal source to the audiovisual signal receiving component; an audiovisual signal emitting component for using the original digital or analog signal format or transforming other digital or analog signal format chosen by audiovisual device selecting component; an audiovisual signal receiving component for receiving the signal from the audiovisual signal emitting component; a controlling command sending component for sending a controlling command from the chosen audiovisual output device in digital or analog signal format to a controlling command receiving component; and a controlling command receiving component for receiving and interpreting the controlling command signal from the controlling command sending component.

Description

1230550 fix

__MM 9211850η Year 5. Description of the invention (1) The technical field to which the invention belongs: The present invention provides a system that can share audio and video output devices. Multiple audio and video display devices can share the same audio and video output signal, which can be used for signal transmission. The technology is particularly applicable to technical fields such as cable or wireless television broadcasting, green communication communications, telecommunication video conferences, Internet video communications, home video and audio equipment configuration. ^ Previous technology: Cassette Recorders, which are known to have video and audio output devices; the following DVD (Digital Video Disc; (hereinafter referred to as PC), etc.), when in a device (such as a house in a family, it is necessary to Audio and video output devices, so as to repeat these video and audio output devices each time they are re-displayed on the device, this is not the case. Therefore, the present invention addresses a different set of video and audio output devices when they are in a certain range of locations. Cost, or every time you re-install 'such as a cassette recorder VCR (Vide〇 abbreviated as VCR), digital audio CD player (hereinafter referred to as DVD), personal computer PC within a range of different video display room or screen) to When in use, the display devices are all equipped with a set of video equipment to be used, which is costly; otherwise, it is often inconvenient to reinstall the mobile and connect it to the use. Disadvantage 'It can be achieved by providing a system ... The video display device can save the trouble of repeatedly purchasing a common video output device by using the present invention. Summary of the invention:

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1230550 V. Description of the invention (2) 1. An audio and video device selection component 丨 〇1, which is used to connect the audio and video output device 102 to be shared and switch the analog or digital audio and video signal source 102 to be used. ; '2 · A video signal sending unit 1 03 is used to convert the video signal selected by the video device selection unit 101 to the original digital or analog signal format or to other digital or analog signal format via cable Or wireless transmission method 'to send to the audio and video signal receiving unit 1 04; Υηο an audio and video signal receiving unit 104 for receiving the signal sent by the audio and video signal transmitting unit 1/3, and restore or convert it to the video The video and audio display device on the flood receiving part 1 04 is formatted and connected to the video and audio display device 1 () 5; then ~~ ^^ 4 out of the box and a device Ιοίί; sending part 106 for The selected video is inputted. The control command is transmitted to the remote control command receiving unit in a digital or analog signal format through the transmission mode, so as to obtain 5. Remote control or operating device; and control receiving part 丨 0 7 to send and receive parts to send over the next day p I ^ w renren get and resolve # remote control command to send the selected video and audio wheel Lm " signal 'and according to its order A corresponding operation control command was issued to the defendant with a call. When the audio and video output device is used at the same time-when there are more than one set of cats, the system may further include: The audio and video device selection part on the above is used to switch and select a group by 2 · Add '纟 and select the audio and video selected by μ Video signal sending unit to modulate the video signal to a set of more than one ...

Page 6 J230550 Amendment 3 May 1 Wei Ming-^ Set the video and audio signals in a multiplexed mode and receive components at the same time: use the second, the display device is increased-the video and audio signals are connected to the audio signal; The demodulation device or the demultiplexing device returns the original image to the sending unit T: the group pair increases the audio display device by 1 ^ each and sends the remote control command with the corresponding remote command receiving part; the part sends "two operations and two brakes" = Receive the corresponding remote control command sending department's video and audio wheel to send out dreams: 斟 = 5 signal, and according to its command, issue the corresponding operation control command to the selected ^ output device. Companion ', ZhongM ^ A group of more than When the video and audio display is driven by the Φη + f sound wheel, the remote control command will be sent; send :: timer: the same as the group and the solution of the miscellaneous —A &, ^ °, add a remote command lock: send The component inputs other remote control commands for the audio and video. Other remote control commands can be omitted when the audio and video output device port selection component to be shared is included. If there is a set, the remote control command sending component of the audio and video equipment includes: all drag n sound wheel output device Function, when asked to switch to 5 selections To use the shadow, send-switch selection command to the remote control ""; control: order the sending part * to request the audio-visual device according to its command, the remote control command receives and selects one to do the switch selection. Page 7 1230550 --- case No. 92118590 _________________________________________________________ When the acceptable audio and video signal format of the used audio and video display device is incompatible with the audio and video signal format selected by the selected audio and video output device, an audio and video signal conversion component is added to the audio and video signal output by the selected audio and video output device. It is converted into a video signal format acceptable to the video display device used. When the output signal of the selected video output device is a VGA (Video Graphics Array, hereinafter referred to as VGA) signal, the video signal conversion component includes a VGA signal to TV signal conversion device, in order to convert the VGA signal Is a television signal. When the video display device used is a VGA computer screen, the video signal conversion component includes a conversion device for converting a TV signal to a VGA signal in order to convert the TV signal to a VGA signal. The system of the present invention may further include: when the video and audio signal to be transmitted is a standard TV signal, please refer to the second figure. The video and audio signal transmitting unit 103 includes a television signal modulation device 2 07, and the video and audio signal is transmitted. Modified to some selected unused radio and video channels; a wireless transmitting device that transmits the signal wirelessly to the audio and video signal receiving part 丨 〇4, at this time, the audio and video signal receiving part 104 only needs to be ordinary The standard TV channel selection device 208 is sufficient; or the video and audio signals are adjusted to some selected unused cable TV channels, and the signal mixing device 206 is used to mix the signals into the cable TV coils of the range office. 'The signal is transmitted to the audio and video signal receiving part 1 0 4 through a wired method.' At this time, the audio and video signal receiving part only needs to be X is a general standard television selection device 208; at the same time, if the above

Case No. 92118590 1230550 Amended the fifth, invention description (5) When the modulation signal interferes with other cable TV users through cable TV cables, a single order can be installed on the output end of the cable TV signal splitter 2 03 To the signal isolating device 204, the isolating device can only clear the channel carried by the modulation signal to prevent the modulation signal from flowing back to the diverter 203 and causing interference to other viewers 202; meanwhile, if it continues = There is no unused cable TV in the cable TV cables in the surrounding area. It can be used in the cable TV signal splitter 203. = Unidirectional signal isolation is used to separate the cable TV signals of the different users. The selected cable television frequencies are cleared for transmission of the above-mentioned modulation signals of the system. The system of the present invention can further carry the name "Everyone Includes ..." The general Dan is standing up and winning = the remote command sending unit except the electricity r,-ΐ t: the conventional remote control function of the input device is pressed, and It can also be used when the sign output device is a computer. The remote control of the video and audio output device selected by Shi Tian Quiet and Choosing Tone Mode is infrared ❹ ί ί CONTROL = parts include:-infrared remote control ^ Ϊ́ 时 ΐ ;; 发 ：; = The command sending unit sent the commanded short-sleeve sound wheel output device to accept the infrared after the remote approval a, and then placed a control command on the video output skirt. The remote control sending device can use the remote control command sending component and remote control commander I and the original remote control device before the positive sound display of the output device can be used. The selected video output device is When using a computer, the remote command is connected to 1230550

This device uses the computer's fifth and fifth invention (6) The receiving components include: a computer system communication device input and output interface, such as RS232 (Recommended Standard 232, hereinafter referred to as RS232), printer port LPT (Line Printing Terminal, hereinafter referred to as LPT), universal serial bus USB (Universal Serial Bus, hereinafter referred to as USB), personal system 2 ps2 (Personal System / 2, hereinafter referred to as PS2), etc., communicate with the computer in order to issue operation commands to the computer. Implementation: Please refer to the second figure. A system consistent with the present invention includes an audio-visual device selection component 102 for connecting the audio-visual output devices 215, 214 (DVD and PC in this example) to be shared and switching between the audio-visual devices to be used. Output devices 215, 214 (select DVD or PC in this example), and send the audio and video signal to the audio and video signal transmission unit 1 〇03; the audio and video signal transmission unit 丨 〇3 includes a television signal modulator 207 to the video and audio The signal is adjusted to an unused cable TV channel (such as CH14), and another signal mixer 206 mixes the channel signal with the original cable TV cable; the audio and video signal receiving component 〇〇4 includes a TV tuner 208, which is used to demodulate the above modulation signal back to the original video and audio signal (for example, the channel is selected on CH14) and displayed on the television 209; therefore, in this example, it is only necessary to tune the television to the channel used above ( For example, CH1 4), you can see the audio and video signals output by the selected audio and video output device. If the above-mentioned modulation signal interferes with other cable TV viewers 202 through a cable TV cable, the cable TV signal splitter 2

1230550 Amendment No. 92118590 V. Description of the invention (7) = A one-way signal isolation device 204 is installed on the output end of the household to avoid interference from other viewers. The remote control command sending part 106 includes a wireless remote control 21, and when the video output device to be selected issues an operation control command, it can be selected as a button on the wireless remote control 210 to wirelessly send and receive remote control command operation commands. ; The remote control command receiving part m includes a device 211 to receive the operation sent by the remote control command sending part 106. When the received command is a switch selection video output device = selection: piece 102 issues a switch selection command; such as Other operations: 2nd prize, 2nd prize, when the selected audio and video output device uses a red controller (such as a DVD), there is another infrared green scratch; The transmitter 213 transmits a corresponding infrared remote control command to the video output device 21 5. When the optional video output device is a computer 214, there is another electric = communication device 212 (such as a USB interface), and sends a command to the computer 214. ^ 之 ^: Installed [This can be selected in this example to operate the remote end in front of the TV; Tone: The technical content and technical characteristics of the present invention are disclosed as above, and those who are familiar with this technology are still Can be based on the teachings and disclosure of the present invention without departing from the spirit of the present invention and modifications; therefore, the present invention is not limited to those disclosed in the embodiment, but should include various substitutions and modifications that do not depart from the invention, and are Covered by patent applications. Page 11 1230550 _ Case No. 92Π8590_ Year Month Revision _ Brief description of the diagram The first diagram is a diagram of the architecture of the system of the present invention; and the second diagram is a comparison of a standard television signal output device on a cable television cable of the present invention. Architecture diagram of the preferred embodiment. [Simple description of component symbols] 101 Video device selection unit 102 Video output device 103 Video signal sending unit 104 Video signal receiving unit 105 Video display unit 106 Remote command sending unit 107 Remote command receiving unit 201 Cable TV headend 202 Other users 203 Disambiguator 204 One-way signal isolation device for local users 205 Distributor 206 Signal mixer 207 TV signal modulator 208 TV tuner 209 TV 210 Wireless remote control 211 Wireless receiver 212 USB interface communication device

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1230550 Case No. 92118590 Λ_ Name Amendment Brief description 2 1 3: Infrared analog transmitter

214: PC

215: DVD Βϋ page 13

Claims (1)

1230550 Amendment said-92118.m ^ VI. Patent application scope] · A common audio and video output device-audio and video device selection component, using the system 'which includes ... Audio signal source; analog or digital video-audio signal sending component of the audio output device, select the original digital or = to select the digital or analog signal format selected by the audio and video device selection component, and induce the signal format. Or, it can be converted to other audio and video signal receiving parts. Through the wired or wireless transmission method, send an audio and video signal receiving part, send the signal and return it to the audio and video display device on the audio and video signal sending part. Connected to the audio and video signal to the audio and video display device; followed by the signal format, and connected to a remote command sending component, the device's operation control command number, "selected audio and video output or wireless transmission mode == The format of the signal of the dagger, through the original sound of the wired audio output device ^: Receiving part to replace the video one t Actuator or operating device; and component sending i ::::: 丄 Used to receive and interpret the remote control command and send the selected shadow command signal ', and issue corresponding operations to the selected 2 heart-out device according to its command. Control command. The system described in item 1 of the scope of the Moon Dream Special Project, where when more than one plant is installed: = equipment system == :: different video output equipment above the group i = wheel video equipment selection Parts to switch selection-group to page 14 1230550 case number 92118590 VI. Patent application scope Send a component to modulate the set of more than one video signal to different audio signals in a multiplexed manner, while adding more than one set of video signals to send the selected video signal to modulate the device to the frequency band or to the signal multiplexed device Send each video to the same transmission path; add a set of audio and video signal relay devices to return the original video to the audio and video display devices of the mother group to receive signals, and use the demodulation device or the audio signal; Each sending part and a set of audiovisual display devices are added to send a remote control command to a corresponding remote control command receiving part. A remote control command is sent; the above, prepare eight = receiving parts to solve the Marwan type or increase- Groups are used to receive the video and audio output command signals of the corresponding remote command sending section, and issue corresponding operation control commands to the selected output device according to its commands. Once, the system described in item 1 of the scope of patent application is established, in which, when more than one device needs to use the same audio-visual output device at the same time, the control sending part is added by a long distance. 1 f pick people ^ 卩 order lock function, such as the lock function to start the control operation command K " ρ 7 send parts to the audio and video output device remote audio wheel /; Fankou Wai ancient 2 or 3 The system described in the above item, in which when omitted to share. When there is a set, the audio-visual device selection component can be added. As described in the patent application scope, the order sending component also includes the system described in item 2, 2 or 3. 1230550 J Change to select the audio and video wheel to be used. The remote control command sending component sends the remote control command receiving component to perform the selection and selection. 6 · If the scope of the patent application is No. 1, the video and audio signal output unit of the audio and video display device is acceptable to replace the selected component with the audio and video display of the use. 7 · If the scope of the patent application is No. 6 audio output The output signal of the device is the audio signal conversion component. The device also includes: Device 'when a switch selection is required, send a switch selection command to the remote control command to receive the command, and request the audio and video device option according to 2 or 3 of the incompatible audio and video signals. The display device can be described as a system of video graphics, wherein when using the format and the selected audio and video input, 'add an audio and video signal out of the audio and video signal format accepted by the audio and video signal output by the device. When the selected video array VGA signal is selected, the video graphic array VGA signal is converted to a TV signal conversion device, so as to convert the video graphic array VGA signal to a TV signal. 8. The system as described in item 6 of the scope of patent application, wherein when the video display device used is a video graphics array VGA computer screen, the audio and video signal conversion component further includes: a TV signal to a video graphics array VGA signal conversion Device to convert the TV signal to a video graphics array VGA signal. 9. The system according to item 1 of the scope of patent application, wherein when the audio and video signal to be transmitted is a standard television signal, then the audio and video signal transmitting component further includes: a television signal modulating device that modulates the audio and video signal to Selected unused radio and video channels; Page 16 I 公! 一 泰 ... / Ar wt Monthly Modification 1230550 Application Date: Silicon 7 ng Application Number: 92118590 ipc Classification Ηο ^ κ | ί >%^; ^ cGFVl4 Invention Patent Specification Chinese and English Common Video and Audio Input · Invention Name 1.Ma Yuming 1. TW of the Republic of China 1. Culture of Linkou Township, Taipei County ^ Name (Chinese) Inventors (1 person) 1. · Whale Information Co., Ltd. L. Three applicants (total 1 person) | Name $ lt £) Name or MX 1. Republic of China TW 1. 1. & Please phase ^ page 1 A wireless transmitting device that transmits the signal to the audio signal receiving part wirelessly; M 1 once the system described in item i of the patent scope, wherein when the audio and video signal to be transmitted is a standard television signal, Then the audio and video signal transmitting component still includes a Xunshi random number modulation device, which modifies the audio and video signal to select unused cable TV channels; 杲 —A random number mixing device mixes the signal with the wired cable of the range location In the process, the signal is transmitted to the audio-visual signal receiving part through a wired method. 11. The system according to item 9 or item 0 of the scope of patent application, wherein the audio and video signal receiving component can be a television standard selection device of a general standard. 12. According to the system described in item 10 of the patent scope of the application, when the modulation signal interferes with other cable TV users through the cable TV cable, a cable TV can be installed on the output end of the user. A one-way signal isolation device. 13. According to the system described in item 12 of Shenyan's patent scope, the function of the first one-way signal isolation device of Haihe is to unidirectionally clear the channels carried by the modulation signal. 14. According to the system described in item No. 丨 0 of the scope of patent application, when there are no unused cable TV channels in the cable TV cables in the range, a cable TV signal splitter can be installed on the output end of the user. A second unidirectional signal isolation device. 15. According to the system described in item 4 of the scope of the patent application, the function of the second one-way signal isolation device is to output the divider to the user: mmso 6. The scope of the patent application is subject to clearing the unified modulation signal in the sfL number 16. · If you apply for a special order sending part 17. If you apply for a special order sending part 18 · If you apply for a dedicated wired or inductive input skirt 19 · If you apply The special output is set to be used as an electric player and monitor 2 0. If you apply for a special infrared remote control party one infrared 92118590 The order sending can be connected to the control command 21. If set to the standard tone output command to connect 2 2. If the selected part transmits the red order. Apply for the exclusive surroundings and install the components. Apply for the special audio and video wheel. The selected benefit range is the general benefit range. It is the computer's profit range. When the profit range is used for brain and card recording, the remote control can send certain external cable remote range operations to use certain cable TV buccal channels defined by the device for the purpose of this system. The system described in the above item, wherein a conventional remote control for remotely controlling the video output device is used. The system of item 1, 2 or 3, wherein the input device is remotely held. The system according to item 17, wherein the computer input is equipped with a mouse, keyboard, joystick, touch screen, or the system according to item 1, 2, or 3, wherein the video cassette recorder, digital video CD player , Light $ equipment, audio and video appliances. ^ The system described in item 16, wherein the remote control is a remote control command receiving part which further comprises: a signal simulation transmitting device, when receiving a remote control command, it can simulate and transmit the video and audio output control command signal, The video output device issues the system described in item 16 when the remote control sends a different video display device that can be used for the video, the remote control command sending part and the original remote control device are omitted. The system according to item 1, 2 or 3, wherein, when it is a computer, the remote control command S receives the component package. Page 18 Fiber Mongolia No. 92118590 Amendment VI. The scope of patent application includes: A computer system communication device. The device's I / O interface through the computer is RS232, printer port LPT, universal serial bus USB or personal system. PS / 2 communicates with the computer and gives operation commands to the computer. Page 19