CN201708796U - Wireless HD video transmission device - Google Patents
Wireless HD video transmission device Download PDFInfo
- Publication number
- CN201708796U CN201708796U CN 201020206209 CN201020206209U CN201708796U CN 201708796 U CN201708796 U CN 201708796U CN 201020206209 CN201020206209 CN 201020206209 CN 201020206209 U CN201020206209 U CN 201020206209U CN 201708796 U CN201708796 U CN 201708796U
- Authority
- CN
- China
- Prior art keywords
- video
- connects
- audio
- definition
- successively
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a wireless HD video transmission device, which comprises a front end HD video transmitting module, wherein the front end HD video transmitting module is connected with a front end high-gain self-adaptive planar-array antenna, and a terminal high-gain self-adaptive planar-array antenna is connected with a terminal HD video receiving module; one-way or two-way HD video signals are collected by the front end HD video transmitting module and are modulated onto the frequency band from 4.9 to 5.9 GHz through code modulation, and the modulated signals are transmitted through the front end high-gain self-adaptive planar-array antenna. Meanwhile, the modulated signals are received by the terminal high-gain self-adaptive planar-array antenna, are demodulated into HD video signals by the terminal HD video receiving module, and are broadcasted by a receiving terminal. The adopted wireless transmission dispenses with the cable connection between the HD equipments, thereby leading the HD equipments to be simple and convenient to use, and saving the cost.
Description
Technical field
The utility model relates to a kind of high-definition audio and video field of signal transmissions, especially a kind of wireless high-definition audio and video transmitting set.
Background technology
At present, family's high definition device is of a great variety, and the complexity extremely of the connecting line between the high definition device and exquisite, and this numerous and diverse wired connection has not only caused poor mobility, the installation complexity of device end, has also increased the cost that high definition device is used greatly.
Summary of the invention
The purpose of this utility model provides a kind of device that can wireless transmission high-definition audio and video signal, has saved the connecting line between the high definition device.
For achieving the above object, the utility model has adopted following technical scheme: the utility model comprises the audio-visual transmitter module of front end high definition, the audio-visual transmitter module of this front end high definition links to each other with front end high-gain self adaptation planar array antenna, and terminal high-gain self adaptation planar array antenna links to each other with terminal high-definition audio and video receiver module.
As shown from the above technical solution, the audio-visual transmitter module of front end high definition gathers one the road or two-way high-definition audio and video signal, through coded modulation, the high-definition audio and video signal is modulated to above the frequency band of 4.9-5.9GHz, by front end high-gain self adaptation planar array antenna, modulated signal is launched then.Simultaneously, terminal high-gain self adaptation planar array antenna receives modulated signal, and terminal high-definition audio and video receiver module is demodulated into the high-definition audio and video signal with the modulated signal that receives, and plays out by receiving terminal again.Adopt Wireless transmission mode, solved between the high definition device and must make high definition device easy to use, saved cost by the problem of cable connection.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the theory diagram of the audio-visual transmitter module of front end high definition of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises the audio-visual transmitter module 1 of front end high definition, the audio-visual transmitter module 1 of described front end high definition links to each other with front end high-gain self adaptation planar array antenna 21, and terminal high-gain self adaptation planar array antenna 22 links to each other with terminal high-definition audio and video receiver module 3.
As shown in Figure 2, the audio-visual transmitter module 1 of described front end high definition comprises HDMI controller 4, the control signal of the input termination input signal of described HDMI controller 4 and single-chip microcomputer 5 outputs, described HDMI controller 4 successively with video JSCC encoder 6, OFDM modulator 7, MIMO modulator 8 links to each other, this video JSCC encoder 6, OFDM modulator 7, the input of MIMO modulator 8 connects the control signal of single-chip microcomputer 5 outputs, described video JSCC encoder 6 jointing temp transducers 9, described OFDM modulator 7 connects 4MB memory 10, described MIMO modulator 8 connects the input of 40MHz crystal 11, one end of described MIMO modulator 8 connects phase-locked loop circuit 12 successively, quadrature power splitter 13, the other end connects orthogonal mixer 20 successively, Ba Lun 14, the end of described Ba Lun 14 connects low pass filter 15 successively, radio-frequency (RF) switch connector 16, the other end connects power amplifier 17 successively, band pass filter 18, radio-frequency (RF) switch connector 16, described radio-frequency (RF) switch connector 16 connects F antenna 19.
Wherein HDMI controller 4 is responsible for receiving the high-definition signal that high definition program source equipment sends, single-chip microcomputer 5 is responsible for the output control signal, video JSCC encoder 6 is responsible for vision signal is carried out information source one channel combined coding, 7 pairs of high-definition signals of OFDM modulator carry out the OFDM modulation, 8 pairs of high-definition signals of MIMO modulator carry out the MIMO modulation, temperature sensor 9 measuring system temperature, 4MB memory 10 application storings, 40MHz crystal 11 provides reference frequency for local oscillator, orthogonal mixer 20 makes signal carry out quadrature up-conversion and handles, the local oscillation signal of two kinds of quadratures of quadrature power splitter 13 outputs, phase-locked loop circuit 12 is the generation circuit of local oscillator, Ba Lun 14 is converted to single-ended signal with balanced signal, low pass filter 15 filtering secondaries disturb harmonic wave, power amplifier 17 with modulation signal be amplified to can radio transmission power, band pass filter 18 keeps useful signals, radio-frequency (RF) switch connector 16 provides different passages for modulation signal, F antenna 19 radiation modulation signals.
Operation principle of the present utility model is: audio-visual transmitter module 1 collection one road or the two-way high-definition audio and video signal of front end high definition, modulate the mode that combines with video JSCC coding by MIMO-OFDM, the high-definition audio and video signal is modulated to above the frequency band of 4.9-5.9GHz, by front end high-gain self adaptation planar array antenna 21, modulated signal is launched then.Simultaneously, terminal high-gain self adaptation planar array antenna 22 receives modulated signals, and terminal high-definition audio and video receiver module 3 is demodulated into the high-definition audio and video signal with the modulated signal that receives, and plays out by receiving terminal again.
Claims (2)
1. wireless high-definition audio and video transmitting set, it is characterized in that: comprise the audio-visual transmitter module of front end high definition (1), the audio-visual transmitter module of described front end high definition (1) links to each other with front end high-gain self adaptation planar array antenna (21), and terminal high-gain self adaptation planar array antenna (22) links to each other with terminal high-definition audio and video receiver module (3).
2. wireless high-definition audio and video transmitting set according to claim 1, it is characterized in that: the audio-visual transmitter module of described front end high definition (1) comprises HDMI controller (4), the control signal of the input termination input signal of described HDMI controller (4) and single-chip microcomputer (5) output, described HDMI controller (4) also successively with video JSCC encoder (6), OFDM modulator (7), MIMO modulator (8) links to each other, this video JSCC encoder (6), OFDM modulator (7), the input of MIMO modulator (8) connects the control signal of single-chip microcomputer (5) output, described video JSCC encoder (6) jointing temp transducer (9), described OFDM modulator (7) connects 4MB memory (10), described MIMO modulator (8) connects the input of 40MHz crystal (11), one end of described MIMO modulator (8) connects phase-locked loop circuit (12) successively, quadrature power splitter (13), the other end connects orthogonal mixer (20) successively, Ba Lun (14), the end of described Ba Lun (14) connects low pass filter (15) successively, radio-frequency (RF) switch connector (16), the other end connects power amplifier (17) successively, band pass filter (18), radio-frequency (RF) switch connector (16), described radio-frequency (RF) switch connector (16) connects F antenna (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020206209 CN201708796U (en) | 2010-05-25 | 2010-05-25 | Wireless HD video transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020206209 CN201708796U (en) | 2010-05-25 | 2010-05-25 | Wireless HD video transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708796U true CN201708796U (en) | 2011-01-12 |
Family
ID=43445946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020206209 Expired - Fee Related CN201708796U (en) | 2010-05-25 | 2010-05-25 | Wireless HD video transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877606A (en) * | 2010-05-25 | 2010-11-03 | 合肥润东通讯科技有限公司 | Wireless high-definition audio and video transmitting set |
| CN105933014A (en) * | 2016-06-23 | 2016-09-07 | 珠海市魅族科技有限公司 | Signal transmitting system and method for terminal device and the terminal device |
-
2010
- 2010-05-25 CN CN 201020206209 patent/CN201708796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877606A (en) * | 2010-05-25 | 2010-11-03 | 合肥润东通讯科技有限公司 | Wireless high-definition audio and video transmitting set |
| CN105933014A (en) * | 2016-06-23 | 2016-09-07 | 珠海市魅族科技有限公司 | Signal transmitting system and method for terminal device and the terminal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012026353A9 (en) | Transmitter apparatus, receiver apparatus, and communication system | |
| MXPA03010243A (en) | Economical extension of the operating distance of an rf remote link accommodating information signals having differing carrier frequencies. | |
| CN201708796U (en) | Wireless HD video transmission device | |
| CN104486709A (en) | Wireless microphone system based on frequency signal modulating technology | |
| CN104052505B (en) | Single-chip transmitting set, transmitting chip and signal transmitting method | |
| CN105162540B (en) | Wireless digital broadcasting station | |
| CN101877606A (en) | Wireless high-definition audio and video transmitting set | |
| CN201057661Y (en) | Set-top box for transmitting audio signal and wireless earphone device for receiving audio signal | |
| CN103311667B (en) | A kind of single coaxial cable transmits the new car marine satellite television antenna of dual polarized signals simultaneously | |
| CN104883331A (en) | Baseband signal processing platform based on software radio | |
| CN202334780U (en) | Two-way wireless high-definition transceiver system | |
| CN203289577U (en) | Video and audio recorder realizing short-distance wireless transceiving system | |
| CN203563068U (en) | Infrared wireless voice communication device | |
| CN205142207U (en) | Two -way no line number word private network transmission system | |
| CN101414844A (en) | Two-way signal amplifying device, receiving/transmitting device and signal transmission method | |
| CN203368447U (en) | Vehicle-mounted frequency modulation carrier wireless device | |
| CN101582199B (en) | Wireless remote control television system | |
| CN104507007A (en) | True diversity wireless microphone system | |
| CN201967060U (en) | Novel mobile wideband video transmission system | |
| CN201114016Y (en) | Two-way signal amplifying device, receiving/emitting set | |
| CN204029075U (en) | A kind of novel Bluetooth doorbell | |
| CN203278881U (en) | Frequency conversion data demodulator | |
| CN204180078U (en) | A kind of 60M Transmission System of Radar Data equipment | |
| CN212183666U (en) | Wireless receiving device, control device, laser television and wireless transmitting and receiving system | |
| CN202949412U (en) | Radio employing FSK coding-decoding mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 230088 ginkgo Road, hi tech Zone, Anhui, Hefei, 108 Patentee after: Hefei radio communication Polytron Technologies Inc Address before: 230088 intersection of camphor road and ginkgo Road, national hi tech Industrial Development Zone, Hefei, Anhui Patentee before: Hefei Radio Technology Co., Ltd. |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee|Address Correct: Hefei Rundong Communication Technology Co., Ltd.|230088 ginkgo Road, hi tech Zone, Anhui, Hefei, 108 False: Hefei radio communication Polytron Technologies Inc|230088 ginkgo Road, hi tech Zone, Anhui, Hefei, 108 Number: 48 Volume: 31 |
|
| ERR | Gazette correction | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 230088 ginkgo Road, hi tech Zone, Anhui, Hefei, 108 Patentee after: Hefei Rundong Communication Technology Co., Ltd. Address before: 230088 intersection of camphor road and ginkgo Road, national hi tech Industrial Development Zone, Hefei, Anhui Patentee before: Hefei Radio Technology Co., Ltd. |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee|Address Correct: Hefei Radio Technology Co., Ltd.|230088 intersection of camphor road and ginkgo Road, national hi tech Industrial Development Zone, Hefei, Anhui False: Hefei Rundong Communication Technology Co., Ltd.|230088 ginkgo Road, hi tech Zone, Anhui, Hefei, 108 Number: 02 Volume: 27 |
|
| ERR | Gazette correction | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20170525 |