CN103037207A - Wireless high definition audio video transmission module and wireless mobile high definition audio video transmission system - Google Patents
Wireless high definition audio video transmission module and wireless mobile high definition audio video transmission system Download PDFInfo
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- CN103037207A CN103037207A CN2012105506010A CN201210550601A CN103037207A CN 103037207 A CN103037207 A CN 103037207A CN 2012105506010 A CN2012105506010 A CN 2012105506010A CN 201210550601 A CN201210550601 A CN 201210550601A CN 103037207 A CN103037207 A CN 103037207A
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Abstract
The invention relates to a wireless high definition audio video transmission module which comprises a wireless signal transceiver, an antenna, a mobile high-definition link (MHL) integrated control circuit, a high-definition multimedia interface (HDMI) output interface, a control button, a power source circuit and a power source. The antenna, the wireless signal transceiver, the MHL integrated control circuit and the HDMI output interface are sequentially connected in a conducting mode. The control button and the MHL integrated control circuit are connected in a conducting mode. An input end and an output end of the power source circuit are respectively connected with the power source and the MHL integrated control circuit in an electric mode. Another wireless signal transceiver and another antenna are arranged in a wireless mobile terminal of a wireless mobile high definition audio video transmission system which is formed by the wireless high definition audio video transmission module. The another wireless signal transceiver and the another antenna are connected with the wireless signal transceiver and the antenna of the wireless high definition audio video transmission module in a matched and wireless mode. The wireless high definition audio video transmission module is connected with a high definition display device in a conducting mode through an HDMI data line, and therefore a user can enjoy pleasant sensation of a high definition video. The wireless high definition audio video transmission module and the wireless mobile high definition audio video transmission system are flexible in utilization, convenient to connect, and free of limitation of connecting interfaces and the length of a connecting line.
Description
[technical field]
The invention belongs to radio transmission technical field, relate in particular to a kind of wireless high-definition audio and video transmission module and wireless mobile high-definition audio and video transmission system.
[background technology]
At present, the existing traditional mobile high definition transmission system (such as Fig. 1) in market, all formed by a kind of connection portable type consumer electronics portable terminal (such as cell phone), standard transmission module MHL and high definition display device (such as HDTV (High-Definition Television)), and between portable terminal and the standard transmission module MHL, all adopt wired mode to be connected between standard transmission module MHL and the high definition output equipment, be respectively MHL power line and HDMI power line, make audio signal, complete directly the transferring on the high definition output equipment of videl signal energy of portable terminal.
Technically: use five pins, the signal of portable terminal output, MHL intactly offers the high definition output equipment by the standard transmission module; Wherein by HDMI interface and HDMI cable, can support the high definition output equipment up to 1080, and five pins of the high-definition audio and video interface of portable terminal use, wherein four pins are used for transmission of audio and vision signal, and a pin is used for control signal; Utilize 19 pins of traditional HDMI for the transmission of audio ﹠ video signal, and utilize 12 pins wherein to be divided into 4 channel transfer, 3 pins are to do number use of control instruction in addition.
[summary of the invention]
In order to solve the above-mentioned technical problem that exists in the prior art, the invention provides a kind of wireless transmission that realizes mobile radio terminal and wireless high-definition audio and video transmission module, can allow the user enjoy the pleasant sensation of HDTV (High-Definition Television), use flexibly, easy to connect, be not subjected to the restriction of connecting interface and connecting line length, and circuit is stable, wireless high-definition audio and video transmission module and wireless mobile high-definition audio and video transmission system that the video-audio signal quality of transmission is secure.
The present invention solves the technical scheme that the prior art problem adopts:
A kind of wireless high-definition audio and video transmission module, include one for the wireless signal transceiver and the antenna that receive the wireless image-sound signal, one is used for the video-audio signal that receives is converted to the MHL integral control circuit of HDMI video-audio signal, one for the HDMI output interface that the HDMI video-audio signal is exported, one is used for the control button of this transmission of operation control module, and power circuit and a power supply that be used for to supply with each part work energy, wherein said antenna, wireless signal transceiver, the MHL integral control circuit is connected conducting and is connected with the HDMI output interface, and described control button is connected with the conducting of described MHL integral control circuit, and the input of described power circuit and output are electrically connected with described power supply and MHL integral control circuit respectively.
Further, described wireless signal transceiver is wireless WiFi transceiver, and described antenna is the WiFi antenna.
Further, this transmission module also includes an electrostatic discharge protective circuit, and described electrostatic discharge protective circuit is connected with the conducting of described MHL integral control circuit.
A kind of wireless mobile high-definition audio and video transmission system, include mobile radio terminal, described wireless high-definition audio and video transmission module and high definition display device, be provided with another wireless signal transceiver and the antenna that are connected with its control circuit conducting in the described mobile radio terminal, the wireless signal transceiver of described another wireless signal transceiver and antenna and described wireless high-definition audio and video transmission module and antenna are to wireless connections, and described wireless high-definition audio and video transmission module is connected with the conducting of described high definition display device by the HDMI data wire.
Further, described another wireless signal transceiver is wireless WiFi transceiver, and described antenna is the WiFi antenna.
Further, described mobile radio terminal is cell phone or the panel computer with wireless WiFi function, and described high definition display device is HDTV.
Beneficial effect of the present invention:
Wireless high-definition audio and video transmission module of the present invention and wireless mobile high-definition audio and video transmission system adopt compressing image transmission technology and wireless WiFi transmission technology to realize the wireless transmission of mobile radio terminal and wireless high-definition audio and video transmission module, adopt HDMI wire transmission between wireless high-definition audio and video transmission module and the high definition display device simultaneously, can allow the user enjoy the pleasant sensation of HDTV (High-Definition Television), use flexibly, easy to connect, be not subjected to the restriction of connecting interface and connecting line length.
In addition, the present invention also includes an electrostatic discharge protective circuit, has avoided static that this wireless high-definition audio and video transmission module is produced any harmful effect, affects the stability of circuit, makes the quality of video-audio signal of its output more secure.
[description of drawings]
Fig. 1 is the structural representation block diagram of wired mobile high definition transmission system in the prior art;
Fig. 2 is the structural representation block diagram of wireless mobile high definition transmission system embodiment of the present invention;
Fig. 3 is the structural representation block diagram of WirelessHD transmission module among the wireless mobile high definition transmission system embodiment of the present invention.
[embodiment]
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 2 and Fig. 3:
The invention provides a kind of wireless mobile high-definition audio and video transmission system, include mobile radio terminal 1, wireless high-definition audio and video transmission module 2 and high definition display device 3; Wherein, described wireless high-definition audio and video transmission module 2 includes one for the wireless signal transceiver 21 and the antenna 22 that receive the wireless image-sound signal, the one MHL integral control circuit 23(that is used for converting the video-audio signal that receives to the HDMI video-audio signal as: model is the integrated circuit (IC) of EP94M1E), one for the HDMI output interface 24 that the HDMI video-audio signal is exported, one is used for the control button 25 of this transmission of operation control module, and power circuit 26 and a power supply 27 that be used for to supply with each part work energy, described antenna 22, wireless signal transceiver 21, MHL integral control circuit 23 is connected successively conducting and is connected with the HDMI output interface, and control button 25 is connected with 23 conductings of MHL integral control circuit, the input of described power circuit 26 and output are electrically connected with power supply 27 and MHL integral control circuit 23 respectively, described wireless signal transceiver 21 is wireless WiFi transceivers, and described antenna 22 is WiFi antennas; Correspondingly, be provided with another wireless signal transceiver 11 and the antenna 12 that are connected with its control circuit conducting in the described mobile radio terminal 1, described another wireless signal transceiver 11 and antenna 12 are respectively wireless WiFi transceiver and WiFi antenna, and with 22 on the wireless signal transceiver 21 of wireless high-definition audio and video transmission module 2 and antenna to wireless connections, described wireless high-definition audio and video transmission module 2 is connected with described high definition display device 3 conductings by the HDMI data wire; For example: described mobile radio terminal 1 is cell phone or the panel computer with wireless WiFi function, and described high definition display device 3 is HDTVs.
During work, at first the operate wireless high-definition audio and video transmits the control button 25 of module 2, finish the wireless WiFi transceiver of its wireless signal transceiver 21() be connected the wireless WiFi transceiver of another wireless signal transceiver 11(with portable terminal 1 with antenna 22(WiFi antenna) be connected mutual to being connected with antenna 12(WiFi antenna, then mobile radio terminal 1 carries out being sent to after corresponding compression is processed wireless high-definition audio and video transmission module 2 by 11 pairs of video-audio signals of another wireless signal transceiver, then the wireless signal transceiver 21 of wireless high-definition audio and video transmission module 2 transmission video-audio signals receives video-audio signal by antenna 22, and carry out being transferred to MHL integral control circuit 23 after the corresponding decompression, convert this video-audio signal to the HDMI video-audio signal by MHL integral control circuit 23, transfer to high definition display device 3 finally by HDMI output interface 24 by HDMI data wire 4, show, play.
Like this, wireless high-definition audio and video transmission module of the present invention and wireless mobile high-definition audio and video transmission system adopt compressing image transmission technology and wireless WiFi transmission technology to realize the wireless transmission of mobile radio terminal 1 with wireless high-definition audio and video transmission module 2, adopt HDMI wire transmission between wireless high-definition audio and video transmission module 2 and the high definition display device 3 simultaneously, can allow the user enjoy the pleasant sensation of HDTV (High-Definition Television), use flexibly, easy to connect, be not subjected to the restriction of connecting interface and connecting line length.
In addition; wireless high-definition audio and video transmission module 2 of the present invention also includes an electrostatic discharge protective circuit 28; described electrostatic discharge protective circuit 28 is connected with 23 conductings of MHL integral control circuit; avoided static that this wireless high-definition audio and video transmission module 2 is produced any harmful effect; affect the stability of circuit, make the quality of video-audio signal of its output more secure.
Above content is the further description of the present invention being done in conjunction with concrete optimal technical scheme, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a wireless high-definition audio and video transmits module, it is characterized in that: include one for the wireless signal transceiver (21) and the antenna (22) that receive the wireless image-sound signal, one is used for the video-audio signal that receives is converted to the MHL integral control circuit (23) of HDMI video-audio signal, one for the HDMI output interface (24) that the HDMI video-audio signal is exported, one is used for the control button (25) of this transmission of operation control module, and power circuit (26) and a power supply (27) that be used for to supply with each part work energy, wherein said antenna (22), wireless signal transceiver (21), MHL integral control circuit (23) is connected 24 with the HDMI output interface) successively conducting connection, and described control button (25) is connected with described MHL integral control circuit (23) conducting, and the input of described power circuit (26) and output are electrically connected with described power supply (27) and MHL integral control circuit (23) respectively.
2. wireless high-definition audio and video according to claim 1 transmits module, and it is characterized in that: described wireless signal transceiver (21) is wireless WiFi transceiver, and described antenna (22) is the WiFi antenna.
3. wireless high-definition audio and video according to claim 2 transmits module, and it is characterized in that: this transmission module also includes an electrostatic discharge protective circuit (28), and described electrostatic discharge protective circuit (28) is connected with described MHL integral control circuit (23) conducting.
4. wireless mobile high-definition audio and video transmission system, it is characterized in that: include mobile radio terminal (1), any one described wireless high-definition audio and video transmission module (2) and high definition display device (3) in the claims 1 to 3, be provided with another wireless signal transceiver (11) and the antenna (12) that are connected with its control circuit conducting in the described mobile radio terminal (1), the wireless signal transceiver (21) of described another wireless signal transceiver (11) and antenna (12) and described wireless high-definition audio and video transmission module (2) and antenna (22) are to wireless connections, and described wireless high-definition audio and video transmission module (2) passes through HDMI data wire (4) and is connected with described high definition display device (3) conducting.
5. wireless mobile high-definition audio and video transmission system according to claim 4, it is characterized in that: described another wireless signal transceiver (11) is wireless WiFi transceiver, and described antenna (12) is the WiFi antenna.
6. wireless mobile high-definition audio and video transmission system according to claim 5, it is characterized in that: described mobile radio terminal (1) is cell phone or the panel computer with wireless WiFi function, and described high definition display device (3) is HDTV.
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| CN2012105506010A CN103037207A (en) | 2012-12-18 | 2012-12-18 | Wireless high definition audio video transmission module and wireless mobile high definition audio video transmission system |
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| CN2012105506010A CN103037207A (en) | 2012-12-18 | 2012-12-18 | Wireless high definition audio video transmission module and wireless mobile high definition audio video transmission system |
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| CN103916616A (en) * | 2013-01-08 | 2014-07-09 | 置富存储科技(深圳)有限公司 | Wireless audio transmitting device and wireless audio transmitting system |
| CN104142804A (en) * | 2013-05-06 | 2014-11-12 | 周云霞 | Method and device for displaying specified contents of smart mobile device with different screens |
| CN104158960A (en) * | 2014-07-29 | 2014-11-19 | 常熟恒基科技有限公司 | Vehicle-mounted mobile phone interconnecting device |
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| CN104158960A (en) * | 2014-07-29 | 2014-11-19 | 常熟恒基科技有限公司 | Vehicle-mounted mobile phone interconnecting device |
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Application publication date: 20130410 |