CN210491049U - HDMI distribution extender - Google Patents
HDMI distribution extender Download PDFInfo
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- CN210491049U CN210491049U CN201921991732.6U CN201921991732U CN210491049U CN 210491049 U CN210491049 U CN 210491049U CN 201921991732 U CN201921991732 U CN 201921991732U CN 210491049 U CN210491049 U CN 210491049U
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Abstract
The utility model discloses a HDMI distributes extender, include: a transmitting end and a receiving end; the transmitting terminal comprises a main control chip, a video distribution processing chip and a video extension processing chip, wherein the main control chip is connected with the video distribution processing chip, and the video distribution processing chip is connected with the video extension processing chip; the receiving end comprises a video EQ adjusting chip and a video receiving and processing chip, and the video EQ adjusting chip is connected with the video receiving and processing chip. The utility model provides a HDMI distributes extender for high definition HDMI video transmission technique when transmission HDMI high definition does not have the compression video, supports with signal distribution extension output, supports two-way IR transmission control, and effective transmission distance is the highest 120 meters that reaches.
Description
Technical Field
The utility model belongs to the technical field of communication and specifically relates to a HDMI distributes extender is related to.
Background
The HDMI transmission means that an HDMI signal source signal is transmitted to a display end in a long distance, at present, HDMI is widely applied, audio and video technology is rapidly developed under the drive of scientific and technological development, and most of high-definition players, DVDs, set top boxes, projectors, liquid crystal televisions and PC computers are provided with HDMI interfaces.
In the prior art, the effective transmission distance of the HDMI signal output by the HDMI signal source is 15-20 m, and beyond the distance, the strength of the signal is gradually reduced, and the HDMI signal is seriously distorted along with the lengthening of the distance.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a HDMI distributes extender for among the solution prior art, the effectual transmission distance of HDMI signal source output is 15 meters-20 meters, has exceeded this distance, and the intensity of signal will progressively reduce, and along with the extension of distance, the problem of serious distortion will take place for the HDMI signal.
According to an aspect of the utility model, a HDMI distribution extender is provided, include: a transmitting end and a receiving end;
the transmitting terminal comprises a main control chip, a video distribution processing chip and a video extension processing chip, wherein the main control chip is connected with the video distribution processing chip, and the video distribution processing chip is connected with the video extension processing chip;
the receiving end comprises a video EQ adjusting chip and a video receiving and processing chip, and the video EQ adjusting chip is connected with the video receiving and processing chip.
Optionally, the HDMI distribution extender comprises: the device comprises a first HDMI input interface, a first HDMI output interface, an HDMI network cable output interface, a first IR transmitting interface and a first IR receiving interface, wherein the IR transmitting interface and the IR receiving interface are respectively connected with the first HDMI output interface, and the first HDMI input interface and the first HDMI output interface are respectively connected with a video distribution processing chip.
Optionally, the HDMI distribution extender comprises: the device comprises an HDMI network cable input interface, a second HDMI output interface, a second IR transmitting interface and a second IR receiving interface, wherein the second IR transmitting interface and the second HDMI output interface are respectively connected with the HDMI network cable input interface, the HDMI network cable input interface is connected with a video EQ adjusting chip, and the second HDMI output interface is connected with a video receiving processing chip.
Optionally, the HDMI distribution extender comprises: the HDMI state indicator lamp is connected with the video extension processing chip.
Optionally, the model of the main control chip is STM8S 003.
Optionally, the video distribution processing chip has a model number LT 86104.
Optionally, the video extension processing chip is of type LT86121 TXE.
Optionally, the model of the video EQ adjustment chip is LT86101 SXE.
Optionally, the model of the video receiving processing chip is LT86121 RXE.
Optionally, the model of the HDMI cable input interface and the model of the HDMI cable output interface are both RJ 45.
In the embodiment of the utility model, compare beneficial effect with prior art and be: in the prior art, the effective transmission distance of the HDMI signal output by the HDMI signal source is 15-20 m, and when the distance is exceeded, the strength of the signal is gradually reduced, the HDMI signal is seriously distorted along with the lengthening of the distance, when the HDMI distribution extender transmits HDMI high-definition uncompressed video, the farthest effective transmission distance can reach 120m, the signal distribution extension output is supported, and the bidirectional IR transmission control is supported.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram of an optional HDMI distribution extender system structure according to an embodiment of the present invention.
Detailed Description
In order to make the person skilled in the art better understand the present invention, the following description will be made in conjunction with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
This embodiment is shown in fig. 1, an HDMI distribution extender comprising: a transmitting terminal 1 and a receiving terminal 2;
the transmitting terminal 1 comprises a main control chip, a video distribution processing chip and a video extension processing chip, wherein the main control chip is connected with the video distribution processing chip, and the video distribution processing chip is connected with the video extension processing chip;
the receiving end 2 comprises a video EQ adjusting chip and a video receiving processing chip, and the video EQ adjusting chip is connected with the video receiving processing chip.
Further, an HDMI distribution extender comprises: the device comprises a first HDMI input interface, a first HDMI output interface, an HDMI network cable output interface, a first IR transmitting interface and a first IR receiving interface, wherein the IR transmitting interface and the IR receiving interface are respectively connected with the first HDMI output interface, and the first HDMI input interface and the first HDMI output interface are respectively connected with a video distribution processing chip.
Further, an HDMI distribution extender comprises: the device comprises an HDMI network cable input interface, a second HDMI output interface, a second IR transmitting interface and a second IR receiving interface, wherein the second IR transmitting interface and the second HDMI output interface are respectively connected with the HDMI network cable input interface, the HDMI network cable input interface is connected with a video EQ adjusting chip, and the second HDMI output interface is connected with a video receiving processing chip.
Further, an HDMI distribution extender comprises: the HDMI state indicator lamp is connected with the video extension processing chip.
Further, the model of the main control chip is STM8S 003.
Further, the model of the video distribution processing chip is LT 86104.
Further, the model of the video extension processing chip is LT86121 TXE.
Further, the model of the video EQ scaling chip is LT86101 SXE.
Further, the model of the video reception processing chip is LT86121 RXE.
Furthermore, the type of the HDMI cable input interface and the type of the HDMI cable output interface are both RJ 45.
When the utility model is used in practice, the HDMI input interface of the transmitting terminal has HDMI signal input, which is processed by the video distribution processing chip, wherein the HDMI signal is divided into two paths, one path is directly output to the first HDMI output interface locally, and the other two paths are processed by the video extension processing chip and then transmitted to the HDMI network cable output interface;
when the RX receiving end is connected with the HDMI signal, the signal is processed by the video EQ adjusting chip, the video EQ adjusting chip and the video receiving processing chip, and finally the signal is output to the second HDMI network cable output interface for output.
When the HDMI signal is normal and the network cable connecting path is normal, the HDMI status lamp is on.
When the IR transmitting interface and the IR receiving interface of the transmitting end and the receiving end are connected, the signal source or the display can be remotely controlled through infrared remote control.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An HDMI distribution extender, comprising: a transmitting end and a receiving end; the transmitting terminal comprises a main control chip, a video distribution processing chip and a video extension processing chip, wherein the main control chip is connected with the video distribution processing chip, and the video distribution processing chip is connected with the video extension processing chip; the receiving end comprises a video EQ adjusting chip and a video receiving and processing chip, and the video EQ adjusting chip is connected with the video receiving and processing chip.
2. The HDMI distribution extender of claim 1, wherein said transmitter further comprises: the device comprises a first HDMI input interface, a first HDMI output interface, an HDMI network cable output interface, a first IR transmitting interface and a first IR receiving interface, wherein the IR transmitting interface and the IR receiving interface are respectively connected with the first HDMI output interface, and the first HDMI input interface and the first HDMI output interface are respectively connected with a video distribution processing chip.
3. The HDMI distribution extender of claim 1, wherein said sink further comprises: the device comprises an HDMI network cable input interface, a second HDMI output interface, a second IR transmitting interface and a second IR receiving interface, wherein the second IR transmitting interface and the second HDMI output interface are respectively connected with the HDMI network cable input interface, the HDMI network cable input interface is connected with a video EQ adjusting chip, and the second HDMI output interface is connected with a video receiving processing chip.
4. The HDMI distribution extender of claim 1, wherein said transmitter further comprises: the HDMI state indicator lamp is connected with the video extension processing chip.
5. The HDMI distribution extender of claim 1, wherein the main control chip is STM8S 003.
6. The HDMI distribution extender of claim 1, wherein said video distribution processing chip has a model number LT 86104.
7. The HDMI distribution extender of claim 1, wherein said video extension processing chip is LT86121 TXE.
8. The HDMI distribution extender of claim 1, wherein said video EQ scaling chip has a model number LT86101 SXE.
9. An HDMI distribution extender as claimed in claim 1 wherein said video receive processing chip is of the model LT86121 RXE.
10. An HDMI distribution extender as claimed in claim 2 and claim 3 wherein said HDMI cable input interface and HDMI cable output interface are both of the type RJ 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991732.6U CN210491049U (en) | 2019-11-18 | 2019-11-18 | HDMI distribution extender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991732.6U CN210491049U (en) | 2019-11-18 | 2019-11-18 | HDMI distribution extender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210491049U true CN210491049U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921991732.6U Active CN210491049U (en) | 2019-11-18 | 2019-11-18 | HDMI distribution extender |
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| CN (1) | CN210491049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021863A (en) * | 2022-08-04 | 2022-09-06 | 深圳市品为科技有限公司 | Single network cable extender for data transmission |
-
2019
- 2019-11-18 CN CN201921991732.6U patent/CN210491049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021863A (en) * | 2022-08-04 | 2022-09-06 | 深圳市品为科技有限公司 | Single network cable extender for data transmission |
| CN115021863B (en) * | 2022-08-04 | 2022-11-25 | 深圳市品为科技有限公司 | Single network cable extender for data transmission |
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