CN101686359A - HDMI distributor - Google Patents
HDMI distributor Download PDFInfo
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- CN101686359A CN101686359A CN200810200330A CN200810200330A CN101686359A CN 101686359 A CN101686359 A CN 101686359A CN 200810200330 A CN200810200330 A CN 200810200330A CN 200810200330 A CN200810200330 A CN 200810200330A CN 101686359 A CN101686359 A CN 101686359A
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Abstract
The invention provides an HDMI distributor, which can covert input HDMI signal into multi-path consistent and synchronous HDMI signals for inputting. The HDMI distributor has the abilities of buffering and amplifying; and in regard to the input HDMI signal, long distance transmission exceeding 20m can be realized by series mounting, and the number of output ports can be increased by a stacking way. The HDMI distributor provides solutions for the following applications: retailing and displaying places of HDTV, digital set-top boxes, DVD and projectors, test environment of production factories of HDTV, digital set-top boxes, DVD and projectors, data center control, information distribution, conference room illustration, teaching environment and training sites.
Description
Technical field
The present invention relates to a kind of distributor, be specifically related to a kind of HDMI distributor.
Background technology
HDMI (High Definition Multimedia Interface) HDMI (High Definition Multimedia Interface) is a kind of unpressed digital consumption electronic product interface standard, it merges high definition video and multi channel audio signal to be connected to and synthesizes processing on the single digital interface, send out by the single line cable, it is a digital technology standard at household appliances manufacturing, be widely used in DVD player, cable TV/satellite television set-top box (set-top box), on HDTV and other digital audio-video equipment, it can improve the quality of digital picture effectively, no longer needs to carry out analog-to-digital conversion.
The HDMI interface is state-of-the-art in the world at present Digital Television interface standard, is the perfect solution of household appliances digital data transmission, connection.HDMI is based on DVI (Digital VisualInterface) formulation, can be regarded as reinforcement and the extension of DVI, and both can be compatible.HDMI can be with the high score pigtail rate video and the multichannel audio data of Digital Transmission uncompressed under the high-quality situation of maintenance, high transmission speed is that 5Gbps o is indubitable, HDMI (High Definition Multimedia Interface) HDMI is the indispensable important component of audiovisual industry, it will be a big main flow trend of following audiovisual industry development, therefore the HDMI connector also will become connector industry Focal Point of Common Attention undoubtedly, in order to comply with this trend, industry is constantly released many new structures successively to satisfy the demand of high-speed transfer.
HDMI is the coffret of being developed at the next generation multimedia audio-visual devices, is applicable to Digital Television, DVD player, DVD videocorder, PVR, set-top box and other digital audio-video products of digital household appliances.Its greatest feature is audio signal and the high definition video signal that the HDMI interface can transmit in a transmission cable does not have compression.Along with the increase of the end product of being with the HDMI interface, the audio frequency and video distributor product of AV before some public arenas needs such as bar, sales field are similar.
Summary of the invention
According to the present invention, a kind of HDMI distributor is provided, the HDMI conversion of signals of input can be become multichannel unanimity, synchronous HDMI signal to export.This HDMI distributor has buffering, amplifying power, for the HDMI signal of input, can realize by the method for serial connection surpassing 20 meters long-distance transmissions, increases output port quantity by stack manner.This HDMI distributor provides solution for following application: the retail of HDTV, top box of digital machine, DVD, projector and displaying place; The test environment of HDTV, top box of digital machine, DVD, production plant of projector; The application in data center's control, information distribution, meeting room demonstration, teaching environment and training place.
For achieving the above object, the present invention adopts following technical scheme.
A kind of distributor is specifically related to a kind of HDMI distributor, it is characterized in that, comprises the HDMI source device; HDMI interface receiving equipment; Minimize the difference sampling channel; Show digital channel.
Above-mentioned HDMI source device also comprises: the HDMI transmitter; By the video that the HDMI connecting line is connected with above-mentioned HDMI transmitter, audio frequency.
Above-mentioned HDMI interface receiving equipment also comprises: the HDMI receiver; By the video that the HDMI connecting line is connected with above-mentioned HDMI transmitter, audio frequency.
Above-mentioned HDMI source device links to each other with HDMI interface receiving equipment by minimizing the difference sampling channel.
Above-mentioned HDMI source device links to each other the back by after showing that digital channel is consulted by minimizing the difference sampling channel with HDMI interface receiving equipment, data communication is set up.
Input chip CAT6011 is housed in the above-mentioned HDMI transmitter.
In the above-mentioned HDMI receiver pio chip CAT6611 is housed.
Above-mentioned HDMI distributor is a rectangular structure, comprises front panel and rear board, and above-mentioned front panel also comprises HDMI input interface indicator light, HDMI output interface indicator light and power supply indicator;
Above-mentioned rear board also comprises the HDMI input interface, HDMI output interface and power interface.
Description of drawings
Accompanying drawing 1 is an operation principle block diagram of the present invention;
Accompanying drawing 2 is a front view of the present invention;
Accompanying drawing 3 is a rear view of the present invention;
Accompanying drawing 4 is a normal startup flow chart of the present invention.
Embodiment
Below further specify a kind of better embodiment of the present invention with reference to the accompanying drawings:
A kind of distributor is specifically related to a kind of HDMI distributor, it is characterized in that, comprises the HDMI source device; HDMI interface receiving equipment; Minimize the difference sampling channel; Show digital channel.
Above-mentioned HDMI source device also comprises: the HDMI transmitter; By the video that the HDMI connecting line is connected with above-mentioned HDMI transmitter, audio frequency.
Above-mentioned HDMI interface receiving equipment also comprises: the HDMI receiver; By the video that the HDMI connecting line is connected with above-mentioned HDMI transmitter, audio frequency.
Above-mentioned HDMI source device links to each other with HDMI interface receiving equipment by minimizing the difference sampling channel.
Above-mentioned HDMI source device links to each other the back by after showing that digital channel is consulted by minimizing the difference sampling channel with HDMI interface receiving equipment, data communication is set up.
Input chip CAT6011 is housed in the above-mentioned HDMI transmitter.
In the above-mentioned HDMI receiver pio chip CAT6611 is housed.
Above-mentioned HDMI distributor is a rectangular structure, comprises front panel and rear board, and above-mentioned front panel also comprises HDMI input interface indicator light, HDMI output interface indicator light and power supply indicator;
Above-mentioned rear board also comprises the HDMI input interface, HDMI output interface and power interface.
Below further specify with reference to the accompanying drawings:
See also shown in Figure 1, HDMI source device 10 is connected middle for minimizing the difference sampled signal with HDMI interface receiving equipment 20, it is the data channel that three pairs of differential signals add EDID, the test source connects output equipment (television set or HDMI input equipment) back by after showing that digital channel 40 is consulted by the HDMI connecting line, and data communication is set up.
Shown in Figure 2, the HDMI distributor is a rectangular structure, comprises front panel and rear board, and above-mentioned front panel also comprises HDMI input interface indicator light, HDMI output interface indicator light and power supply indicator;
During input HDMI signal, corresponding HDMI input interface indicator light is bright; When the HDMI signal was exported, corresponding HDMI output interface indicator light was bright.
Rear board shown in Figure 3, above-mentioned also comprises the HDMI input interface, HDMI output interface and power interface.
It is shown in Figure 4,
The first step: system powers on;
Second step: MCU initialization;
The 3rd step: MCU detects input/output port CAT6011, the CAT6611 chip status, if success, then LED2-10 extinguishes, once more the 3rd step of rebound; If failure then carried out for the 4th step;
The 4th step: detect INPUT port HDMI signal,, then detect once more, till connection arranged if there is not connection; If connection is arranged, then carried out for the 5th step;
The 5th step: the input of HDMI signal, LED10 lights;
The 6th step: detect OUTPUT port HDMI equipment: HDMI output in corresponding port stops, and corresponding port LED extinguishes; The HDMI signal outputs to the corresponding port, and corresponding port LED lights;
The 7th step: detect INPUT port HDMI signal, do not have to connect and then cut off HDMI output, LED2-10 extinguishes, and rebound carried out for the 4th step; Keep connecting then rebound and carried out for the 6th step.
In sum, the present invention has the following advantages:
The HDMI distributor can convert the HDMI signal of input to multichannel consistent, synchronous HDMI signal Output. This HDMI distributor has buffering, amplifying power, and the HDMI signal for input can lead to The method of crossing serial connection realizes surpassing 20 meters long-distance transmissions, increases the output port number by stack manner Amount.
Claims (8)
1. a distributor is specifically related to a kind of HDMI distributor, it is characterized in that, comprising:
The HDMI source device;
HDMI interface receiving equipment;
Minimize the difference sampling channel;
Show digital channel.
2. HDMI distributor according to claim 1 is characterized in that, described HDMI source device also comprises:
The HDMI transmitter;
By the video that the HDMI connecting line is connected with described HDMI transmitter, audio frequency.
3. HDMI distributor according to claim 1 is characterized in that, described HDMI interface receiving equipment also comprises:
The HDMI receiver;
By the video that the HDMI connecting line is connected with described HDMI transmitter, audio frequency.
4. HDMI distributor according to claim 1 is characterized in that, described HDMI source device links to each other with HDMI interface receiving equipment by minimizing the difference sampling channel.
5. HDMI distributor according to claim 4 is characterized in that, described HDMI source device links to each other the back by after showing that digital channel is consulted by minimizing the difference sampling channel with HDMI interface receiving equipment, and data communication is set up.
6. HDMI distributor according to claim 2 is characterized in that, input chip CAT6011 is housed in the described HDMI transmitter.
7. HDMI distributor according to claim 3 is characterized in that, pio chip CAT6611 is housed in the described receiver.
8. HDMI distributor according to claim 1 is characterized in that, described HDMI distributor is a rectangular structure, comprises front panel and rear board, and described front panel also comprises HDMI input interface indicator light, HDMI output interface indicator light and power supply indicator;
Described rear board also comprises the HDMI input interface, HDMI output interface and power interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200330.XA CN101686359B (en) | 2008-09-24 | 2008-09-24 | HDMI distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200330.XA CN101686359B (en) | 2008-09-24 | 2008-09-24 | HDMI distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101686359A true CN101686359A (en) | 2010-03-31 |
| CN101686359B CN101686359B (en) | 2014-06-18 |
Family
ID=42049286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810200330.XA Active CN101686359B (en) | 2008-09-24 | 2008-09-24 | HDMI distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101686359B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497515A (en) * | 2011-12-07 | 2012-06-13 | 青岛艾孚高清技术有限公司 | SIMO (single-input multiple-output) type HDMI (high-definition multimedia interface) distributor device |
| CN102739610A (en) * | 2011-04-08 | 2012-10-17 | 瑞昱半导体股份有限公司 | Negotiation method and electronic device used in Ethernet channel of high definition multimedia interface |
| CN102779020A (en) * | 2011-05-12 | 2012-11-14 | 北京牡丹电子集团有限责任公司 | Ultra high definition liquid crystal display device |
| CN103000140A (en) * | 2012-11-23 | 2013-03-27 | 合肥工业大学 | LED (Light Emitting Diode) light source dynamic control method used for DLP (Digital Light Procession) projection |
| CN113382181A (en) * | 2021-06-10 | 2021-09-10 | 合肥市华达半导体有限公司 | Digital distributor for converting DP into HDMI chip |
| CN113873300A (en) * | 2021-08-23 | 2021-12-31 | 福建数***信息科技有限公司 | Video playing task pushing method based on handheld identity card reader |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080046858A (en) * | 2006-11-23 | 2008-05-28 | 엘지전자 주식회사 | A media sink device, a media source device and a controlling method for media sink devices |
-
2008
- 2008-09-24 CN CN200810200330.XA patent/CN101686359B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739610A (en) * | 2011-04-08 | 2012-10-17 | 瑞昱半导体股份有限公司 | Negotiation method and electronic device used in Ethernet channel of high definition multimedia interface |
| CN102739610B (en) * | 2011-04-08 | 2015-10-07 | 瑞昱半导体股份有限公司 | Be used in machinery of consultation and the electronic installation of HDMI (High Definition Multimedia Interface) ethernet channel |
| CN102779020A (en) * | 2011-05-12 | 2012-11-14 | 北京牡丹电子集团有限责任公司 | Ultra high definition liquid crystal display device |
| CN102497515A (en) * | 2011-12-07 | 2012-06-13 | 青岛艾孚高清技术有限公司 | SIMO (single-input multiple-output) type HDMI (high-definition multimedia interface) distributor device |
| CN102497515B (en) * | 2011-12-07 | 2013-10-09 | 青岛艾孚高清技术有限公司 | SIMO (single-input multiple-output) type HDMI (high-definition multimedia interface) distributor device |
| CN103000140A (en) * | 2012-11-23 | 2013-03-27 | 合肥工业大学 | LED (Light Emitting Diode) light source dynamic control method used for DLP (Digital Light Procession) projection |
| CN113382181A (en) * | 2021-06-10 | 2021-09-10 | 合肥市华达半导体有限公司 | Digital distributor for converting DP into HDMI chip |
| CN113382181B (en) * | 2021-06-10 | 2023-12-15 | 合肥市华宇半导体有限公司 | Digital distributor for converting DP into HDMI chip |
| CN113873300A (en) * | 2021-08-23 | 2021-12-31 | 福建数***信息科技有限公司 | Video playing task pushing method based on handheld identity card reader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101686359B (en) | 2014-06-18 |
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Owner name: SHANGHAI LUDONG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHANGHAI GOLDCOMM INFORMATION TECHNOLOGY CO., LTD. Effective date: 20140606 |
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Address after: 201600 Shanghai Songjiang District Chedun town car No. 180 Jia 1 Building 3 floor Patentee after: Shanghai Leado Electronics Co., Ltd. Address before: 201600 Shanghai Songjiang District Chedun town car No. 180 Jia 1 Building 3 floor Patentee before: SHANGHAI LUDONG ELECTRONICS CO., LTD. |