CN105163113A - HDMI interface testing clamp and method - Google Patents
HDMI interface testing clamp and method Download PDFInfo
- Publication number
- CN105163113A CN105163113A CN201510631281.5A CN201510631281A CN105163113A CN 105163113 A CN105163113 A CN 105163113A CN 201510631281 A CN201510631281 A CN 201510631281A CN 105163113 A CN105163113 A CN 105163113A
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- China
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- hdmi
- television set
- top box
- unit
- set top
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention relates to an HDMI interface testing clamp and method. TV HDMI interfaces are made independent, and the parameters of TVs of various brands are separately written in a TV brand parameter unit via a control unit to simulate the TVs of different brands for testing; as a result, the TVs of a plurality of brands are not required so that the testing cost can be greatly reduced; besides, the case that an HDMI wire is plugged out and in repeatedly and connected to different TVs is also avoided; the HDMI interface testing clamp is simple and convenient to operate and greatly convenient for testing.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of HDMI test fixture and method of testing.
Background technology
Along with popularizing of digital TV in high resolution, the HDMI (high definition media interface) possessing high definition fan-out capability becomes the requisite interfaces of high definition set top box gradually, and requires also more and more higher to HDMI designed reliability.
HDMI due to Set Top Box needs to carry out connection with television set and uses, and television set has a lot of brand, and different brands television set there are differences.Set Top Box likely on certain brand television set HDMI do not export or export abnormal phenomenon, this shows that Set Top Box HDMI exports and there is the problem of incompatible adaptation with this brand television set, and this is by the normal use of extreme influence Set Top Box.For ensureing that Set Top Box can the television set of compatible different brands, the way of current routine is all by using the television set of brand as much as possible to carry out HDMI compatibility test, but this method of testing needs the television set of the multiple brand of multiple stage, cost is higher, and need plug HDMI wire continuously to change television set, see whether television set can normally export, complex operation length consuming time, brings great inconvenience to test.
Summary of the invention
In view of this, be necessary problem that is higher for above-mentioned HDMI testing cost, complex operation length consuming time, a kind of HDMI test fixture and method of testing are provided.
The invention provides a kind of HDMI test fixture, comprising: HDMI unit, television set brand parameter unit and control unit, shown HDMI unit is connected with the HDMI of Set Top Box by HDMI wire, shown control unit is used for the parameter writing each brand television set to television set brand parameter unit respectively, carry out compatibility test, after described HDMI unit is connected with the HDMI of Set Top Box, read by described HDMI unit the television set parameter write in television set brand parameter unit by Set Top Box and carry out compatibility test, if the HDMI of Set Top Box and this brand television set compatibility, then Set Top Box can send data to described control unit and control unit can receive, if incompatible, then Set Top Box can not send data, described control unit cannot receive.
In an execution mode wherein, described HDMI unit comprises HPD pin, TMDS passage, DDC passage and CEC pin; When HDMI unit is connected with the HDMI of Set Top Box, described HPD pin sends HPD signal and informs that Set Top Box is connected with HDMI test fixture to Set Top Box, read by described DDC passage the television set parameter write in television set brand parameter unit by Set Top Box and carry out compatibility test, if compatibility, export data by described TMDS passage to described control unit by Set Top Box.
In an execution mode wherein, send HPD signal to Set Top Box and realized by GPIO and switch; Described switch one end connects GPIO, and the other end is used for the HDMI of junctor top box, switches by opening and closing the low and high level state that set top box side HDMI HPD pin receives.
In an execution mode wherein, described HDMI test fixture also comprises test and to report an error processing unit; Can described test reports an error processing unit simulation test abnormal conditions, detect HDMI test fixture and accurately identify to go forward side by side row relax in location.
In an execution mode wherein, described television set brand parameter unit adopts E2PROM.
In an execution mode wherein, described control unit comprises single-chip microcomputer and peripheral circuit; Described peripheral circuit comprises clock circuit and reset circuit, and described single-chip microcomputer is programmed to described E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.
The present invention also provides a kind of HDMI method of testing, comprises the steps:
S10: by independent for the HDMI of television set, and control unit and television set brand parameter unit are provided, control unit is used for the parameter writing each brand television set to television set brand parameter unit respectively;
S20: independently HDMI be connected with the HDMI of Set Top Box, reads by independently HDMI the television set parameter write in television set brand parameter unit by Set Top Box and carries out compatibility test;
S30: if the HDMI of Set Top Box and this brand television set are compatible, then Set Top Box can to control unit: send data and control unit can receive; If incompatible, then Set Top Box can not send data, and control unit cannot receive.
In an execution mode wherein, described method also comprises: simulation test abnormal conditions, and can detection accurately identify to go forward side by side row relax in location.
In an execution mode wherein, described television set brand parameter unit adopts E2PROM.
In an execution mode wherein, described control unit comprises single-chip microcomputer and peripheral circuit; Described peripheral circuit comprises clock circuit and reset circuit, and described single-chip microcomputer is programmed to described E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.
HDMI test fixture of the present invention and method, by independent for television set HDMI, and write the parameter of each brand television set respectively to television set brand parameter unit by control unit, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
Accompanying drawing explanation
Fig. 1 is the structure chart of the HDMI test fixture in an embodiment;
Fig. 2 is the flow chart of the HDMI method of testing in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the structure chart of the HDMI test fixture in an embodiment, and as shown in Figure 1, this test fixture comprises: HDMI unit 100, television set brand (or model) parameters unit 200 and control unit 300.HDMI unit 100 is connected with the HDMI of Set Top Box by HDMI wire.Control unit 300, for writing the parameter of each brand television set respectively to television set brand parameter unit 200, carries out compatibility test.After HDMI unit 100 is connected with the HDMI of Set Top Box, the television set parameter reading write in television set brand parameter unit 200 by HDMI unit 100 by Set Top Box carries out compatibility test, if the HDMI of Set Top Box and this brand television set compatibility, then Set Top Box can send data to control unit 300 and control unit 300 can receive, if incompatible, then Set Top Box can not send data, and control unit 300 cannot receive.Like this, by independent HDMI unit 100, and write the parameter of each brand television set respectively to television set brand parameter unit 200 by control unit 300, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
In this embodiment, HDMI unit 100 comprises HPD (hot plug detection) pin, TMDS (transition minimized differential signaling) passage, DDC (direct data control) passage and CEC (consumer electronics control) pin.When HDMI unit 100 is connected with the HDMI of Set Top Box, HPD pin sends HPD signal and informs that Set Top Box is connected with HDMI test fixture to Set Top Box.The television set parameter reading write in television set brand parameter unit 200 by DDC passage by Set Top Box carries out compatibility test, if compatibility, Set Top Box exports data by TMDS passage to control unit 300.
HPD pin (or CEC pin) due to HDMI (Set Top Box and test fixture) is that the low and high level state by receiving controls to send HPD signal, therefore sends HPD signal to Set Top Box and realized by GPIO (universal input/output) and switch.Switch one end connects GPIO, and the other end is used for the HDMI of junctor top box, switches by opening and closing the low and high level state that set top box side HDMI HPD pin receives.Such as, when switch presses down, set top box side HPD pin receives high level and produces HPD signal, is equivalent to the state of HDMI wire insertion machine top box; Not on time, HPD pin receives low level and does not produce HPD signal switch, is equivalent to the state that HDMI wire is not inserted into Set Top Box, can simulate hot plug, in like manner CEC function by ceaselessly diverter switch.
Simultaneously, when tradition is tested, sometimes can encounter Set Top Box to have problem or be that television set exists some defects to cause Set Top Box to communicate with television set abnormal, there is incompatible test result, common HDMI abnormal conditions have: TMDS passage, the short circuit of DDC passage cause television set export without picture or export picture color distortion, standbyly cannot get up; The parameter of television set is to not causing Set Top Box identification abnormal according to standard criterion thus producing test result of mistake etc.When meeting these abnormal conditions, for making the enough quick position of HDMI test fixture and solving, this HDMI test fixture also comprises test and to report an error processing unit.Can the report an error short circuit of processing unit analog channel, open circuit, television set parameter of this test such as to be made mistakes at the test abnormal conditions, detect HDMI test fixture and accurately identify to go forward side by side row relax in location.Like this, by testing the processing unit that reports an error, simulate contingent various test abnormal conditions, can detect HDMI test fixture accurately identify, and provides test result accurately, avoids abnormal conditions to affect test result.
Television set brand parameter unit 200 adopts E2PROM (electricallyerasable ROM (EEROM)), the parameter of each brand television set that E2PROM storage control unit 300 writes.
Control unit 300 comprises single-chip microcomputer and peripheral circuit.Peripheral circuit comprises clock circuit and reset circuit, ensures that single-chip microcomputer normally works.Single-chip microcomputer is programmed to E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.Like this test time, looking for the television set of different brands to test with regard to not needing, only needing to be programmed to E2PROM by single-chip microcomputer, just can simulate different brands television set use, provide cost savings greatly, simple and convenient.
This HDMI test fixture, by independent for television set HDMI 100, and write the parameter of each brand television set respectively to television set brand parameter unit 200 by control unit 300, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
Meanwhile, the present invention also provides a kind of HDMI method of testing, and as shown in Figure 2, the method comprises the steps:
S10: by independent for the HDMI of television set, and control unit and television set brand parameter unit are provided, control unit is used for the parameter writing each brand television set to television set brand parameter unit respectively.
S20: independently HDMI be connected with the HDMI of Set Top Box, reads by independently HDMI the television set parameter write in television set brand parameter unit by Set Top Box and carries out compatibility test.
S30: if the HDMI of Set Top Box and this brand television set are compatible, then Set Top Box can to control unit: send data and control unit can receive; If incompatible, then Set Top Box can not send data, and control unit cannot receive.
Like this, by independent HDMI, and write the parameter of each brand television set respectively to television set brand parameter unit by control unit, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
Further, when tradition is tested, sometimes can encounter Set Top Box to have problem or be that television set exists some defects to cause Set Top Box to communicate with television set abnormal, there is incompatible test result, common HDMI abnormal conditions have: TMDS passage, the short circuit of DDC passage cause television set export without picture or export picture color distortion, standbyly cannot get up; The parameter of television set is to not causing Set Top Box identification abnormal according to standard criterion thus producing test result of mistake etc.When meeting these abnormal conditions, for making the enough quick position of HDMI test fixture and solving, this HDMI method of testing also comprises step: analog channel short circuit, open circuit, television set parameter such as to be made mistakes at the test abnormal conditions, and can detection accurately identify to go forward side by side row relax in location.Like this, simulate contingent various test abnormal conditions, can detect this method of testing accurately identify, and provides test result accurately, avoids abnormal conditions to affect test result.
Television set brand parameter unit adopts E2PROM (electricallyerasable ROM (EEROM)), the parameter of each brand television set of E2PROM storage control unit write.
Control unit comprises single-chip microcomputer and peripheral circuit.Peripheral circuit comprises clock circuit and reset circuit, ensures that single-chip microcomputer normally works.Single-chip microcomputer is programmed to E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.Like this test time, looking for the television set of different brands to test with regard to not needing, only needing to be programmed to E2PROM by single-chip microcomputer, just can simulate different brands television set use, provide cost savings greatly, simple and convenient.
This HDMI method of testing, by independent for television set HDMI, and write the parameter of each brand television set respectively to television set brand parameter unit by control unit, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
HDMI test fixture of the present invention and method, by independent for television set HDMI, and write the parameter of each brand television set respectively to television set brand parameter unit by control unit, the television set of simulating different brands is tested, thus do not need the television set of multiple brand, greatly reduce testing cost, and also do not need plug HDMI wire continuously to change television set, simple and convenient, bring great convenience to test.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a HDMI test fixture, is characterized in that, comprising: HDMI unit, television set brand parameter unit and control unit, shown HDMI unit is connected with the HDMI of Set Top Box by HDMI wire, shown control unit is used for the parameter writing each brand television set to television set brand parameter unit respectively, carry out compatibility test, after described HDMI unit is connected with the HDMI of Set Top Box, read by described HDMI unit the television set parameter write in television set brand parameter unit by Set Top Box and carry out compatibility test, if the HDMI of Set Top Box and this brand television set compatibility, then Set Top Box can send data to described control unit and control unit can receive, if incompatible, then Set Top Box can not send data, described control unit cannot receive.
2. HDMI test fixture according to claim 1, is characterized in that, described HDMI unit comprises HPD pin, TMDS passage, DDC passage and CEC pin; When HDMI unit is connected with the HDMI of Set Top Box, described HPD pin sends HPD signal and informs that Set Top Box is connected with HDMI test fixture to Set Top Box, read by described DDC passage the television set parameter write in television set brand parameter unit by Set Top Box and carry out compatibility test, if compatibility, export data by described TMDS passage to described control unit by Set Top Box.
3. HDMI test fixture according to claim 2, is characterized in that, sends HPD signal realized by GPIO and switch to Set Top Box; Described switch one end connects GPIO, and the other end is used for the HDMI of junctor top box, switches by opening and closing the low and high level state that set top box side HDMI HPD pin receives.
4. HDMI test fixture according to claim 1, is characterized in that, described HDMI test fixture also comprises test and to report an error processing unit; Can described test reports an error processing unit simulation test abnormal conditions, detect HDMI test fixture and accurately identify to go forward side by side row relax in location.
5. HDMI test fixture according to claim 1, is characterized in that, described television set brand parameter unit adopts E2PROM.
6. HDMI test fixture according to claim 5, is characterized in that, described control unit comprises single-chip microcomputer and peripheral circuit; Described peripheral circuit comprises clock circuit and reset circuit, and described single-chip microcomputer is programmed to described E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.
7. a HDMI method of testing, is characterized in that, comprises the steps:
S10: by independent for the HDMI of television set, and control unit and television set brand parameter unit are provided, control unit is used for the parameter writing each brand television set to television set brand parameter unit respectively;
S20: independently HDMI be connected with the HDMI of Set Top Box, reads by independently HDMI the television set parameter write in television set brand parameter unit by Set Top Box and carries out compatibility test;
S30: if the HDMI of Set Top Box and this brand television set are compatible, then Set Top Box can to control unit: send data and control unit can receive; If incompatible, then Set Top Box can not send data, and control unit cannot receive.
8. HDMI method of testing according to claim 7, is characterized in that, described method also comprises: simulation test abnormal conditions, and can detection accurately identify to go forward side by side row relax in location.
9. HDMI method of testing according to claim 7, is characterized in that, described television set brand parameter unit adopts E2PROM.
10. HDMI method of testing according to claim 9, is characterized in that, described control unit comprises single-chip microcomputer and peripheral circuit; Described peripheral circuit comprises clock circuit and reset circuit, and described single-chip microcomputer is programmed to described E2PROM by two I/O ports, writes the parameter of different brands television set to simulate the television set of different brands.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631281.5A CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
| PCT/CN2016/099299 WO2017054655A1 (en) | 2015-09-29 | 2016-09-19 | Hdmi interface test fixture and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631281.5A CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
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| CN105163113A true CN105163113A (en) | 2015-12-16 |
| CN105163113B CN105163113B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510631281.5A Expired - Fee Related CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
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| CN (1) | CN105163113B (en) |
| WO (1) | WO2017054655A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105893203A (en) * | 2016-03-30 | 2016-08-24 | 福州瑞芯微电子股份有限公司 | CEC verification method and device |
| WO2017054655A1 (en) * | 2015-09-29 | 2017-04-06 | 深圳市九洲电器有限公司 | Hdmi interface test fixture and test method |
| CN108021504A (en) * | 2017-12-04 | 2018-05-11 | 晶晨半导体(上海)股份有限公司 | A kind of HDMI compatibility automated test methods |
| CN113259659A (en) * | 2021-05-26 | 2021-08-13 | 浙江大华技术股份有限公司 | Test method, test device, storage medium and electronic device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360196A (en) * | 2007-07-31 | 2009-02-04 | 株式会社东芝 | Television receiver and television display method |
| CN101729924A (en) * | 2009-12-11 | 2010-06-09 | Tcl通力电子（惠州）有限公司 | HDMI-CEC detection device |
| CN201518528U (en) * | 2009-10-20 | 2010-06-30 | 福建新大陆通信科技有限公司 | Automatic test device of digital television set-top box CA clamping plate |
| CN101841732A (en) * | 2009-03-18 | 2010-09-22 | 青岛海信电器股份有限公司 | Testing method and testing device for multimedia electronic equipment |
| CN101895785A (en) * | 2010-07-01 | 2010-11-24 | 广东欧珀电子工业有限公司 | Portable HDMI CEC automatic testing device and testing method thereof |
| CN102316356A (en) * | 2011-06-27 | 2012-01-11 | 深圳Tcl新技术有限公司 | Device and method for testing HDMI (high-definition multimedia interface) function of television (TV) |
| CN103000207A (en) * | 2012-12-06 | 2013-03-27 | 广东欧珀移动通信有限公司 | Blue-ray player compatibility problem debugging method and system |
| CN103188472A (en) * | 2011-12-29 | 2013-07-03 | 美国博通公司 | Controlling HDMI devices via intelligent emulation of consumer electronics control (CEC) protocol |
| CN103457969A (en) * | 2012-05-31 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Method, system and device for controlling terminal equipment |
| CN103473174A (en) * | 2013-09-10 | 2013-12-25 | 四川长虹电器股份有限公司 | Cloud testing method for application software of intelligent televisions |
| CN103491366A (en) * | 2013-09-11 | 2014-01-01 | 深圳市九洲电器有限公司 | Method, device and system for testing digital set-top box |
| CN104350485A (en) * | 2012-06-11 | 2015-02-11 | 株式会社电装 | Connection compatibility method and device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110473B (en) * | 2011-01-05 | 2013-06-26 | 深圳创维－Rgb电子有限公司 | Method and system for programming and checking EDID (Extended Display Identification Data) of display device |
| CN202058137U (en) * | 2011-01-26 | 2011-11-30 | 江苏新创光电通信有限公司 | DDC (Direct Digital Control) /EDID (Extended Display Identification Data) data read memorizer |
| TWI415449B (en) * | 2011-03-10 | 2013-11-11 | Sunplus Technology Co Ltd | Tv system and associated control method |
| CN104569661B (en) * | 2014-12-23 | 2018-02-06 | 深圳市九洲电器有限公司 | A kind of HDMI test circuit and device |
| CN105163113B (en) * | 2015-09-29 | 2017-06-23 | 深圳市九洲电器有限公司 | HDMI test fixture and method of testing |
-
2015
- 2015-09-29 CN CN201510631281.5A patent/CN105163113B/en not_active Expired - Fee Related
-
2016
- 2016-09-19 WO PCT/CN2016/099299 patent/WO2017054655A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360196A (en) * | 2007-07-31 | 2009-02-04 | 株式会社东芝 | Television receiver and television display method |
| CN101841732A (en) * | 2009-03-18 | 2010-09-22 | 青岛海信电器股份有限公司 | Testing method and testing device for multimedia electronic equipment |
| CN201518528U (en) * | 2009-10-20 | 2010-06-30 | 福建新大陆通信科技有限公司 | Automatic test device of digital television set-top box CA clamping plate |
| CN101729924A (en) * | 2009-12-11 | 2010-06-09 | Tcl通力电子（惠州）有限公司 | HDMI-CEC detection device |
| CN101895785A (en) * | 2010-07-01 | 2010-11-24 | 广东欧珀电子工业有限公司 | Portable HDMI CEC automatic testing device and testing method thereof |
| CN102316356A (en) * | 2011-06-27 | 2012-01-11 | 深圳Tcl新技术有限公司 | Device and method for testing HDMI (high-definition multimedia interface) function of television (TV) |
| CN103188472A (en) * | 2011-12-29 | 2013-07-03 | 美国博通公司 | Controlling HDMI devices via intelligent emulation of consumer electronics control (CEC) protocol |
| CN103457969A (en) * | 2012-05-31 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Method, system and device for controlling terminal equipment |
| CN104350485A (en) * | 2012-06-11 | 2015-02-11 | 株式会社电装 | Connection compatibility method and device |
| CN103000207A (en) * | 2012-12-06 | 2013-03-27 | 广东欧珀移动通信有限公司 | Blue-ray player compatibility problem debugging method and system |
| CN103473174A (en) * | 2013-09-10 | 2013-12-25 | 四川长虹电器股份有限公司 | Cloud testing method for application software of intelligent televisions |
| CN103491366A (en) * | 2013-09-11 | 2014-01-01 | 深圳市九洲电器有限公司 | Method, device and system for testing digital set-top box |
Non-Patent Citations (3)
| Title |
|---|
| STEVAN EIDSON; PETER HII: "数字电视系列(4) HDMI兼容性设计", 《电子与电脑》 * |
| 胡海洋; 孙灯亮: "HDMI测试解决方案", 《国外电子测量技术》 * |
| 陈克生; 陈志能; 周敏仪: "DiiVA源端设备一致性测试方法概述", 《电视技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054655A1 (en) * | 2015-09-29 | 2017-04-06 | 深圳市九洲电器有限公司 | Hdmi interface test fixture and test method |
| CN105893203A (en) * | 2016-03-30 | 2016-08-24 | 福州瑞芯微电子股份有限公司 | CEC verification method and device |
| CN108021504A (en) * | 2017-12-04 | 2018-05-11 | 晶晨半导体(上海)股份有限公司 | A kind of HDMI compatibility automated test methods |
| CN108021504B (en) * | 2017-12-04 | 2021-04-27 | 晶晨半导体(上海)股份有限公司 | Automatic testing method for HDMI compatibility |
| CN113259659A (en) * | 2021-05-26 | 2021-08-13 | 浙江大华技术股份有限公司 | Test method, test device, storage medium and electronic device |
| CN113259659B (en) * | 2021-05-26 | 2023-03-31 | 浙江大华技术股份有限公司 | Test method, test device, storage medium, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163113B (en) | 2017-06-23 |
| WO2017054655A1 (en) | 2017-04-06 |
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