CN204859361U - HDMI switch that can keep HDMI input - Google Patents
HDMI switch that can keep HDMI input Download PDFInfo
- Publication number
- CN204859361U CN204859361U CN201520592337.6U CN201520592337U CN204859361U CN 204859361 U CN204859361 U CN 204859361U CN 201520592337 U CN201520592337 U CN 201520592337U CN 204859361 U CN204859361 U CN 204859361U
- Authority
- CN
- China
- Prior art keywords
- hdmi
- signal processor
- input
- interface module
- keep
- 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
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model discloses a HDMI switch that can keep HDMI input, it is including being used for the port that links to each other with the display, the port even has master control circuit and signal processor, master control circuit and HDMI show that interface module links to each other, HPD pin that HDMI shows interface module with signal processor links to each other, and master control circuit detects and looks screen access back, gives signal processor with the signal feedback, and the HPD pin keeps the high level. Its beneficial effect lies in: the utility model provides a HDMI switch that can keep HDMI input, its constitutes simply, and the sustained input that can effectively keep HDMI does not receive external disturbance, has improved video input efficiency.
Description
[technical field]
The utility model relates to a kind of screen debugging technique, particularly a kind of HDMI switcher keeping HDMI to input.
[background technology]
Current HDMI switcher is usually after video access, a period of time is needed to respond, ability normal transmission vision signal, screen is once power-off, just need to restart control signal system, operate comparatively loaded down with trivial details, bring serious impact for electronization efficiently works, a kind of HDMI switcher that HDMI can be kept to input more and more has its profound significance.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of HDMI switcher keeping HDMI to input, and its composition is simple, effectively can keep the lasting input of HDMI, not by external interference, improves video input efficiency.
The technical solution of the utility model is achieved in that a kind of HDMI switcher keeping HDMI to input of the present utility model, it comprises the port for being connected with display, its improvements are: described port is connected with governor circuit and signal processor, and described governor circuit is connected with HDMI display interface module; The HPD pin of described HDMI display interface module is connected with described signal processor, and after governor circuit detects screen access, by signal feedback to signal processor, HPD pin keeps high level.
In said structure, described signal processor is also connected with IC circuit, and described IC circuit is used for the EDID data in reading displayed device.
In said structure, the PWR pin of described HDMI display interface module is connected with described governor circuit, and described HDMI display interface module is also connected with power circuit.
The beneficial effects of the utility model are: the utility model provides a kind of HDMI switcher keeping HDMI to input, and its composition is simple, effectively can keep the lasting input of HDMI, not by external interference, improves video input efficiency.
[accompanying drawing explanation]
Fig. 1 is the theory diagram of a kind of HDMI switcher keeping HDMI to input of the utility model.
[embodiment]
Below in conjunction with the drawings and the specific embodiments, the utility model is further described:
With reference to shown in Fig. 1, a kind of HDMI switcher keeping HDMI to input that the utility model discloses, it comprises the port 5 for being connected with display 7, and port 5 is connected with governor circuit 2 and signal processor 3, and governor circuit 2 is connected with HDMI display interface module 1; The HPD pin of HDMI display interface module 1 is connected with signal processor 3, and signal feedback is kept high level to signal processor 3, HPD pin after screen access being detected by governor circuit 2.
Further, signal processor 3 is also connected with IC circuit 6, IC circuit 6 for the EDID data in reading displayed device 7.
Further, the PWR pin of HDMI display interface module 1 is connected with governor circuit 2, and HDMI display interface module 1 is also connected with power circuit 4.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the utility model is protected.
Claims (3)
1. can keep the HDMI switcher that HDMI inputs, it comprises the port for being connected with display, it is characterized in that: described port is connected with governor circuit and signal processor, and described governor circuit is connected with HDMI display interface module; The HPD pin of described HDMI display interface module is connected with described signal processor, and after governor circuit detects screen access, by signal feedback to signal processor, HPD pin keeps high level.
2. a kind of HDMI switcher keeping HDMI to input according to claim 1, is characterized in that: described signal processor is also connected with IC circuit, and described IC circuit is used for the EDID data in reading displayed device.
3. a kind of HDMI switcher keeping HDMI to input according to claim 2, it is characterized in that: the PWR pin of described HDMI display interface module is connected with described governor circuit, described HDMI display interface module is also connected with power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592337.6U CN204859361U (en) | 2015-08-07 | 2015-08-07 | HDMI switch that can keep HDMI input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592337.6U CN204859361U (en) | 2015-08-07 | 2015-08-07 | HDMI switch that can keep HDMI input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859361U true CN204859361U (en) | 2015-12-09 |
Family
ID=54749871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592337.6U Expired - Fee Related CN204859361U (en) | 2015-08-07 | 2015-08-07 | HDMI switch that can keep HDMI input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135355A (en) * | 2017-04-19 | 2017-09-05 | 北京小米移动软件有限公司 | HDMI inputs source switch method, device and computer-readable recording medium |
-
2015
- 2015-08-07 CN CN201520592337.6U patent/CN204859361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135355A (en) * | 2017-04-19 | 2017-09-05 | 北京小米移动软件有限公司 | HDMI inputs source switch method, device and computer-readable recording medium |
| CN107135355B (en) * | 2017-04-19 | 2020-07-31 | 北京小米移动软件有限公司 | HDMI input source switching method, device and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8963863B2 (en) | Computer, display card, display device and method for updating display information | |
| US9477437B2 (en) | Sharing a graphics-processing-unit display port | |
| KR102251701B1 (en) | Display apparatus consisting a multi display system and control method thereof | |
| CN202711660U (en) | LED display system and LED display unit box body thereof | |
| CN204178316U (en) | A kind of versatile interface KVM integrated machine equipment | |
| CN103793012A (en) | Double-host integration physical isolation safety computer | |
| CN204859361U (en) | HDMI switch that can keep HDMI input | |
| CN202565392U (en) | Touch-control integrated machine based on Android system | |
| CN101551988B (en) | Method of operating display in DPMS mode | |
| CN104914969A (en) | Connector port power supply circuit | |
| CN104484227A (en) | Hardware resource utilization rate management method and hardware resource utilization rate management system | |
| CN204031202U (en) | A kind of wisdom clock | |
| CN204989384U (en) | Little earth current trouble route selection device | |
| CN105025239A (en) | Mobile intelligent touch screen projector | |
| CN202975894U (en) | Mobile logging terminal on based on cloud computing service | |
| CN204331704U (en) | The multi-display system that many video card combinations drive | |
| CN203858551U (en) | Insertion connection structure sharing two types of interfaces, main board, case and electronic equipment of case | |
| CN202711661U (en) | LED display intelligent control system | |
| CN204859363U (en) | A HDMI switch for looking screen management | |
| CN202948371U (en) | Four-way video graphics array (VGA) input-and-output-type touch control all-in-one machine | |
| CN204859360U (en) | But HDMI switch that automatic scanning switches | |
| CN205050019U (en) | Cloud of taking camera calculates desktop terminal | |
| CN203423762U (en) | Control keyboard capable of displaying high definition network video images in real time | |
| CN202709292U (en) | High-simulation fireplace | |
| CN204350217U (en) | Based on the intelligent liquid-crystal TV of multinuclear treatment technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |