CN202423784U - High definition multimedia interface (HDMI) and super single-network-cable extender for control signals - Google Patents
High definition multimedia interface (HDMI) and super single-network-cable extender for control signals Download PDFInfo
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- CN202423784U CN202423784U CN2012200285708U CN201220028570U CN202423784U CN 202423784 U CN202423784 U CN 202423784U CN 2012200285708 U CN2012200285708 U CN 2012200285708U CN 201220028570 U CN201220028570 U CN 201220028570U CN 202423784 U CN202423784 U CN 202423784U
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Abstract
The utility model provides a high definition multimedia interface (HDMI) and a super single-network-cable extender for control signals. The super single-network-cable extender comprises a transmitting terminal and a receiving terminal which are mutually connected through a cable, wherein the transmitting terminal comprises an HDMI signal receiving device, a Linx-Net protocol encoding device, a power supply device of the transmitting terminal and a central control device of the transmitting terminal; the receiving terminal comprises an HDMI signal transmitting device, a Linx-Net protocol decoding device, a power supply device of the receiving terminal and a central control device of the receiving terminal; the HDMI signal receiving device is connected with the Linx-Net protocol encoding device; the power supply device of the transmitting terminal is respectively connected with the HDMI signal receiving device, the Linx-Net protocol encoding device and the central control device of the transmitting terminal; the central control device of the transmitting terminal is respectively connected with the HDMI signal receiving device and the Linx-Net protocol encoding device; and the HDMI signal transmitting device is connected with the Linx-Net protocol decoding device. The network-cable extender for the signals of the HDMI can satisfy the requirement of a user for long-distance HDMI transmission.
Description
Technical field
The utility model relates to the prolongation technical field of HD video, particularly relates to the super single netting twine extender of a kind of HDMI and control signal.
Background technology
HDMI is as a kind of emerging digital audio/video interface; The present occurred from 2002, obtained the approval in market, now high definition DVD; HDTVs etc. all have been equipped with the HDMI interface, and the HDMI interface of saying that can affirm has become the main flow of current video interface.Yet; HDMI is owing to transmission is the high-definition video signal that does not have compression, and its bandwidth is very high, and the HDMI signal bandwidth of 1080p resolution and 60hz refresh rate has just reached 5Gbps; High bandwidth is the high definition display effect perfectly; But simultaneously again big limitations the transmission range of HDMI signal, generally speaking, use common HDMI cable can only transmit about 7 meters.And in real applied environment, often need the HDMI signal be prolonged tens meters even rice up to a hundred, HDMI signal extender is this series products just; Through HDMI signal extender, can the HDMI signal be prolonged certain distance, common on the market HDMI signal extender roughly has three kinds; A kind of is in the HDMI client cables, to add balanced chip; The general distance that prolongs is about 40 meters, and a kind of is that the HDMI conversion of signals is prolonged for the netting twine signal, and the general distance that prolongs is about 50 meters; Also having a kind of is that the HDMI conversion of signals is become fiber-optic signal, and the general distance that prolongs is about 500 meters.
The HDMI extender of market has the HDMI of use cable to add balanced chip at present, and HDMI changes netting twine, and what three kinds of optical fiber of HDMI commentaries on classics were the most close with the utility model is the HDMI extender that HDMI changes netting twine.Thisly be made up of transmitting terminal and receiving terminal two parts through the HDMI extender that the HDMI conversion of signals is become the netting twine signal, wherein transmitting terminal becomes the netting twine signal with the HDMI conversion of signals, and receiving terminal is with netting twine signal reduction becoming HDMI signal.Transmission medium uses two netting twines, requires to use CAT5E and CAT6 netting twine, and the quality of netting twine can have very big influence to the distance of prolongation and the effect of prolongation, in general under the best netting twine situation of use, just can reach 50 meters prolongation distance.This HDMI netting twine extender can only transmit the HDMI signal.
Existing HDMI signal netting twine extender need use two netting twines to carry out the prolongation of HDMI signal, in concrete construction wiring, can increase cost, but also can increase the fault point; Existing HDMI signal netting twine extender can only prolong 50 meters with the HDMI signal; And be to use under the best netting twine situation, and have the Video Applications place of scale slightly at some, 50 meters can not be satisfied on-the-spot demands; And on the engineering; They generally can not remove to buy best netting twine, thereby the prolongation distance of HDMI signal is had a greatly reduced quality, and have satisfied not the original intention of design; Existing HDMI signal netting twine extender can only transmit the HDMI signal; And in application, need transmit number control signal toward contact; For example RS232 signal and usb signal; If use existing HDMI signal netting twine extender, also need can increase cost and the fault point that increases system equally for these control signals design transmission link separately.
In a word, present HDMI signal netting twine extender can't satisfy the transmission of HDMI of user's long distance.
Thereby need the urgent technical problem that solves of those skilled in the art to be exactly at present: how to find a kind of novel HDMI signal netting twine extender, this HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
The utility model content
The utility model technical problem to be solved provides super single netting twine extender of a kind of HDMI and control signal, and this HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
In order to address the above problem, the utility model discloses super single netting twine extender of a kind of HDMI and control signal, comprise through interconnective transmitting terminal of cable and receiving terminal; Said transmitting terminal comprises HDMI signal receiving device, Linx-Net protocol code device, transmitting terminal supply unit and transmitting terminal CCU; Said receiving terminal comprises HDMI sender unit, Linx-Net protocol-decoding device, receiving terminal supply unit and receiving terminal CCU; Said HDMI signal receiving device is connected with Linx-Net protocol code device; Said transmitting terminal supply unit is connected with the transmitting terminal CCU with HDMI signal receiving device, Linx-Net protocol code device respectively; Said transmitting terminal CCU is connected with Linx-Net protocol code device with the HDMI signal receiving device respectively; Said HDMI sender unit is connected with Linx-Net protocol-decoding device; Said receiving terminal supply unit is connected with the receiving terminal CCU with HDMI sender unit, Linx-Net protocol-decoding device respectively; Said receiving terminal CCU is connected with Linx-Net protocol-decoding device with the HDMI sender unit respectively.
Preferably, said HDMI signal receiving device comprises the SII9135 chip unit.
Preferably, said SII9135 chip is supported HDMI1.3 agreement and HDCP agreement.
Preferably, Linx-Net protocol code device comprises the fpga chip unit.
Preferably, said Linx-Net protocol signal can prolong transmission through single netting twine.
Preferably, the distance range of single netting twine prolongation transmission is a 0-180 rice.
Preferably, Linx-Net protocol-decoding device comprises the fpga chip unit.
Preferably, said HDMI sender unit comprises the SII9134 chip unit.
Preferably, said SII9134 chip is supported HDMI1.3 agreement and HDCP agreement.
Preferably, also comprise:
Control signal comprises RS232 signal and usb signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol code device and carry out signal encoding, with said TTL signal and I2S coding audio signal, obtain the Linx-Net protocol signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol-decoding device and decode, and said Linx-Net protocol signal is decoded, and obtain TTL signal and I2S audio signal.
Compared with prior art, the utlity model has following advantage:
1, the utility model extender adopts the Linx-Net agreement; Can be with audio frequency and video and control signal lossless encoding/decoding; Thereby realize the prolongation of HDMI signal; Compare with existing HDMI signal netting twine extender, the utility model extender only need use single netting twine to transmit, the fault point that can save wiring cost and reduce system.
2, the utility model extender supports 180 meters HDMI to prolong, and netting twine is not had specific (special) requirements, and common CAT5 gets final product.
3, the utility model extender is not only supported the prolongation of HDMI signal, prolongs when also supporting RS232 signal and usb signal simultaneously, need also can not reduce the fault point of system when reducing cost for these control signals design independent transmission link again.
In a word, the utility model provides a kind of novel HDMI signal netting twine extender, and this HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; Do to introduce simply in the face of the accompanying drawing of required use in the embodiment description down; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of HDMI of the utility model and the super single netting twine extender embodiment 1 of control signal;
Wherein, 1, HDMI signal receiving device 2, Linx-Net protocol code device; 3, transmitting terminal supply unit; 4, transmitting terminal CCU; 5, Linx-Net protocol-decoding device; 6, HDMI sender unit; 7, receiving terminal supply unit; 8, receiving terminal CCU; 9, transmitting terminal; 10, receiving terminal; 11, cable;
Fig. 2 is the structural representation of a kind of HDMI of the utility model and the super single netting twine extender embodiment 2 of control signal;
Fig. 3 is the flow chart of steps of the mode of operation of transmitting terminal in the utility model;
Fig. 4 is the flow chart of steps of the mode of operation of receiving terminal in the utility model.
Embodiment
The utility model embodiment provides super single netting twine extender of a kind of HDMI and control signal, and this HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
For making that utility model purpose, characteristic, the advantage of the utility model can be more obvious and understandable; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment only is the utility model part embodiment, but not whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
One of core concept of the utility model has provided a kind of HDMI and the super single netting twine extender of control signal, comprises through interconnective transmitting terminal of cable and receiving terminal; Said transmitting terminal comprises HDMI signal receiving device, Linx-Net protocol code device, transmitting terminal supply unit and transmitting terminal CCU; Said receiving terminal comprises HDMI sender unit, Linx-Net protocol-decoding device, receiving terminal supply unit and receiving terminal CCU; Said HDMI signal receiving device is connected with Linx-Net protocol code device; Said transmitting terminal supply unit is connected with the transmitting terminal CCU with HDMI signal receiving device, Linx-Net protocol code device respectively; Said transmitting terminal CCU is connected with Linx-Net protocol code device with the HDMI signal receiving device respectively; Said HDMI sender unit is connected with Linx-Net protocol-decoding device; Said receiving terminal supply unit is connected with the receiving terminal CCU with HDMI sender unit, Linx-Net protocol-decoding device respectively; Said receiving terminal CCU is connected with Linx-Net protocol-decoding device with the HDMI sender unit respectively; This HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
In order to make those of ordinary skills understand the utility model better, introduce the technical term in the utility model below, specific as follows said:
HDMI:HDMI refers to HDMI; It is a kind of digitized video/COBBAIF technology of releasing by its HDMI high-definition media interface interface organization of setting up together of 7 companies such as Hitachi, Panasonic, Philip, Silicon Image, Sony, thomson, Toshiba in 2002; It is the tailored version digital interface that is fit to the image transmission; It can transmit audio frequency and video-audio signal simultaneously, and the maximum data transmission speed can reach 1080p resolution and 60hz refresh rate for the 5Gbps definition.
Linx-Net: high-definition multimedia signal codec algorithm protocol, can carry out lossless encoding/decoding to the high-definition multimedia signal.
HDCP: high-bandwidth content protection agreement is mainly used in HDMI.
FPGA: field programmable gate array.
TTL: transistor logic level signal.
I2S: the bus standard of audio data transmission between the digital audio-frequency apparatus.
With reference to Fig. 1, show the structural representation of the super single netting twine extender embodiment 1 of a kind of HDMI and control signal, specifically can comprise:
The super single netting twine extender of a kind of HDMI and control signal comprises through interconnective transmitting terminal 9 of cable and receiving terminal 10; Said transmitting terminal 9 comprises HDMI signal receiving device 1, Linx-Net protocol code device 2, transmitting terminal supply unit 3 and transmitting terminal CCU 4; Said receiving terminal 10 comprises HDMI sender unit 6, Linx-Net protocol-decoding device 57, receiving terminal supply unit and receiving terminal CCU 8; Said HDMI signal receiving device 1 is connected with Linx-Net protocol code device 2; Said transmitting terminal supply unit 3 is connected with transmitting terminal CCU 3 with HDMI signal receiving device 1, Linx-Net protocol code device 2 respectively; Said transmitting terminal CCU 4 is connected with Linx-Net protocol code device 2 with HDMI signal receiving device 1 respectively; Said HDMI sender unit 6 is connected with Linx-Net protocol-decoding device 5; Said receiving terminal supply unit 7 connects 8 with HDMI sender unit 6, Linx-Net protocol-decoding device 5 and receiving terminal CCU respectively and connects; Said receiving terminal CCU 8 is connected with Linx-Net protocol-decoding device 5 with HDMI sender unit 6 respectively.The chip that said HDMI signal receiving device 1 is adopted comprises the SII9135 chip, and said SII9135 chip is supported HDMI1.3 agreement and HDCP agreement.Said SII9135 chip can be decoded into the TTL signal with the vision signal of the HDMI signal that receives; Said SII9135 chip can become the I2S audio signal with the audio signal decoding of the HDMI signal that receives.Linx-Net protocol code device 2 adopts fpga chip; Said fpga chip can obtain the Linx-Net protocol signal with said TTL signal and I2S coding audio signal.Said Linx-Net protocol signal can prolong transmission through single netting twine.The distance range that single netting twine prolongs transmission is a 0-180 rice.Linx-Net protocol-decoding device 6 adopts fpga chip; Said fpga chip can be decoded said Linx-Net protocol signal, obtains TTL signal and I2S audio signal.The chip that said HDMI sender unit 5 is adopted comprises the SII9134 chip, and said SII9134 chip is supported HDMI1.3 agreement and HDCP agreement.Said SII9134 chip can obtain the HDMI signal with the TTL signal and the I2S coding audio signal of decoding and being obtained.Control signal comprises RS232 signal and usb signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol code device 2 and carry out signal encoding, with said TTL signal and I2S coding audio signal, obtain the Linx-Net protocol signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol-decoding device 6 and decode, and said Linx-Net protocol signal is decoded, and obtain TTL signal and I2S audio signal.
Through concrete embodiment and accompanying drawing, the technical scheme of the utility model is further explained below.
With reference to Fig. 2, show the structural representation of the super single netting twine extender embodiment 2 of a kind of HDMI and control signal, specifically can comprise:
In Fig. 2, video source is connected to the HDMI interface as video-out port, and generally, video source is a DVD player, HD DVD player, blue-ray DVD player, CATV set-top-box, satellite television STB or computer.The input port of the output port of video source and the transmitting terminal of the utility model is equipped with suitable cable.Generally, suitable cable is a HDMI cable, USB cable, RS232 cable.
Transmitting terminal in the utility model can be converted into single netting twine signal with digital video signal and control signal, and receiving terminal then becomes digital video signal and control signal with single netting twine signal reduction in the utility model.Transmitting terminal is connected through single netting twine with receiving terminal, and its distance can reach 180 meters.
The output port of the receiving terminal of the utility model is connected through suitable cable with the input port of display, and generally, cable is a HDMI cable, USB cable and RS232 cable.
Display is in order to show the content of application, like video.Generally, display is a high definition TV, comprises LCD TV, plasm TV, and the DLP TV, perhaps computer monitor comprises LCD and other flat-panel monitors, also comprises the projecting apparatus and the projector of high definition simultaneously.
With reference to Fig. 3, show the flow chart of steps of the mode of operation of transmitting terminal in the utility model.
From Fig. 3, can find out the step of the mode of operation of transmitting terminal in the utility model, specific as follows said:
1) the HDMI signal receive section of transmitting terminal adopts the Silicon Image SII9135 of company chip;
Wherein, the SII9135 of Silicon Image company chip is supported the HDMI1.3a agreement.
2) the SII9135 chip can also become the I2S audio signal with the audio-frequency unit decoding of the HDMI signal that receives simultaneously with the TTL signal of video section decoding the becoming 36bit of the HDMI signal that receives,
Wherein, the SII9135 chip can also be supported the HDCP agreement.
3) the fpga chip Linx-Net protocol signal that can TTL signal and the I2S audio-frequency signal coding of 36bit be become standard, thus prolong through single netting twine;
Wherein, the Linx-Net protocol code partly adopts the fpga chip that those of ordinary skills use always.
4) control signal RS232 and usb signal carry out encoding and decoding inside being directly inputted to fpga chip, thus the purpose that realization and HDMI prolong together.
With reference to Fig. 4, show the flow chart of steps of the mode of operation of receiving terminal in the utility model.
From Fig. 4, can find out the step of the mode of operation of receiving terminal in the utility model, specific as follows said:
1) receiving terminal at first becomes the Linx-Net signal decoding through fpga chip the TTL signal and the I2S audio signal of standard;
Wherein, the Linx-Net protocol code partly adopts the fpga chip that those of ordinary skills use always.
2) the SII9134 chip becomes the HDMI signal with TTL signal and I2S audio-frequency signal coding;
What wherein, the SII9134 chip adopted is the SII9134 chip of Silicon Image company.
3) control signal RS232 and usb signal carry out encoding and decoding inside being directly inputted to fpga chip, thus the purpose that realization and HDMI signal prolong together.
Super single netting twine extender of a kind of HDMI that the utility model provided and control signal can realize that single netting twine prolongs HDMI and signal controlling; Prolong distance and can reach 180 meters; Reduce cost; Reduce the fault point.
In a word, the utility model provides super single netting twine extender of a kind of HDMI and control signal, and this HDMI signal netting twine extender can satisfy the transmission of HDMI of user's long distance.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For system embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than a kind of HDMI that the utility model provided and super single netting twine extender of control signal have been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (10)
1. HDMI and the super single netting twine extender of control signal is characterized in that, comprise through interconnective transmitting terminal of cable and receiving terminal; Said transmitting terminal comprises HDMI signal receiving device, Linx-Net protocol code device, transmitting terminal supply unit and transmitting terminal CCU; Said receiving terminal comprises HDMI sender unit, Linx-Net protocol-decoding device, receiving terminal supply unit and receiving terminal CCU; Said HDMI signal receiving device is connected with Linx-Net protocol code device; Said transmitting terminal supply unit is connected with the transmitting terminal CCU with HDMI signal receiving device, Linx-Net protocol code device respectively; Said transmitting terminal CCU is connected with Linx-Net protocol code device with the HDMI signal receiving device respectively; Said HDMI sender unit is connected with Linx-Net protocol-decoding device; Said receiving terminal supply unit is connected with the receiving terminal CCU with HDMI sender unit, Linx-Net protocol-decoding device respectively; Said receiving terminal CCU is connected with Linx-Net protocol-decoding device with the HDMI sender unit respectively.
2. the super single netting twine extender of HDMI according to claim 1 and control signal is characterized in that:
Said HDMI signal receiving device comprises the SII9135 chip unit.
3. the super single netting twine extender of HDMI according to claim 2 and control signal is characterized in that:
Said SII9135 chip is supported HDMI1.3 agreement and HDCP agreement.
4. the super single netting twine extender of HDMI according to claim 1 and control signal is characterized in that:
Linx-Net protocol code device comprises the fpga chip unit.
5. the super single netting twine extender of HDMI according to claim 4 and control signal is characterized in that:
Said Linx-Net protocol signal can prolong transmission through single netting twine.
6. the super single netting twine extender of HDMI according to claim 5 and control signal is characterized in that:
The distance range that single netting twine prolongs transmission is a 0-180 rice.
7. the super single netting twine extender of HDMI according to claim 1 and control signal is characterized in that:
Linx-Net protocol-decoding device comprises the fpga chip unit.
8. the super single netting twine extender of HDMI according to claim 1 and control signal is characterized in that:
Said HDMI sender unit comprises the SII9134 chip unit.
9. the super single netting twine extender of HDMI according to claim 8 and control signal is characterized in that:
Said SII9134 chip is supported HDMI1.3 agreement and HDCP agreement.
10. the super single netting twine extender of HDMI according to claim 1 and control signal is characterized in that, also comprises:
Control signal comprises RS232 signal and usb signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol code device and carry out signal encoding, with said TTL signal and I2S coding audio signal, obtain the Linx-Net protocol signal; Said RS232 signal and usb signal are input in the fpga chip of Linx-Net protocol-decoding device and decode, and said Linx-Net protocol signal is decoded, and obtain TTL signal and I2S audio signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200285708U CN202423784U (en) | 2012-01-20 | 2012-01-20 | High definition multimedia interface (HDMI) and super single-network-cable extender for control signals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200285708U CN202423784U (en) | 2012-01-20 | 2012-01-20 | High definition multimedia interface (HDMI) and super single-network-cable extender for control signals |
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| CN202423784U true CN202423784U (en) | 2012-09-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219625A (en) * | 2012-01-20 | 2013-07-24 | 北京凯新创达科技发展有限公司 | HDMI and control signal super single network cable extender |
| CN106791555A (en) * | 2016-12-29 | 2017-05-31 | 龙迅半导体（合肥）股份有限公司 | A kind of single netting twine extender of data transmission method, HDMI signals |
-
2012
- 2012-01-20 CN CN2012200285708U patent/CN202423784U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219625A (en) * | 2012-01-20 | 2013-07-24 | 北京凯新创达科技发展有限公司 | HDMI and control signal super single network cable extender |
| CN103219625B (en) * | 2012-01-20 | 2016-12-14 | 北京凯新创达科技发展有限公司 | A kind of HDMI and control signal list netting twine extender |
| CN106791555A (en) * | 2016-12-29 | 2017-05-31 | 龙迅半导体（合肥）股份有限公司 | A kind of single netting twine extender of data transmission method, HDMI signals |
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