CN104539940A - Testing fixture and testing method of display signals - Google Patents
Testing fixture and testing method of display signals Download PDFInfo
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- CN104539940A CN104539940A CN201410825877.4A CN201410825877A CN104539940A CN 104539940 A CN104539940 A CN 104539940A CN 201410825877 A CN201410825877 A CN 201410825877A CN 104539940 A CN104539940 A CN 104539940A
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Abstract
The invention discloses a testing fixture and testing method of display signals. The testing fixture is suitable for being connected with a display signal generating device with a plurality of display ports and an analysis host, and the display ports are used for outputting the display signals respectively. The testing fixture of the display signals comprises a master control circuit board, a switcher and an image acquisition unit. The master control circuit board is electrically connected with the analysis host and the display signal generating device. The switcher is electrically connected with the display ports of the display signal generating device and the master control circuit board, and provided with a plurality of switching lines for transmitting the display signals. The image acquisition unit is electrically connected with the switcher and the master control circuit board, and the image acquisition unit receives the display signals transmitted by the switching lines and transmits the display signals to the analysis host. Whether the output of the display ports is normal or not can be automatically detected through the testing fixture of the display signals, and human eyes do not need to view the display states of display equipment one by one.
Description
Technical field
The invention relates to a kind of display measurement jig and method of testing, be applicable to a display generation device and and analyze main frame, and be particularly to a kind of analysis main frame execution test in order to switch multiple switch with transmitting display signal therefor, be used for analyzing display generation device electrically and display interface whether normal, and promote test coverage rate.
Background technology
Now along with diversification image output product is weeded out the old and bring forth the new, as the high image quality image arriving of television digitization, Blu-ray player and 4K television set and the personal movable apparatus universalness of mobile phone and flat computer, under the audiovisual entertainment that consumer pursues convenience and high image quality, consumer uses situation and custom without significantly demarcating traditionally, under causing energy crossover ports and cross-platform use, the image output product demand of superperformance is kept to increase; Such as, television set extends the screen becoming personal computer, or personal computer junctor top box viewing, or mobile phone, flat computer and Video Camera connect television set viewing etc., and the display adapter of personal computer especially polynary audio-visual format interface product representative.
Therefore, the interface of the audio-visual format of current image output product is various, test for single audio-visual format interface has been unable to stand market and has been used situation demand, and along with the diversification of software, hardware, firmware form, if sell the test of front display generation device without complete set efficiency, often subsequent consumption person is under difference uses situation, namely may easily run into some problems and flaw.So, in order to ensure the quality of image output product, avoid faulty materials to come into the market, manufacturer, usually before image output product export, all can carry out QC and test for every audio-visual format of the interface outward appearance of image output product, each port and display adapter.
In general image output product test flow process, tester usually presents the phase place of picture, color range and color saturation with the different display interface of visual examination image output product and whether meets standard, moreover, projects are not only consuming time takes a lot of work in artificial test item by item, and easily cause test disappearance or flaw.In addition, if for different audio-visual format interface, corresponding its exports audio-visual format interface and adopts the test of the reception audio-visual format interface of single correspondence, is obviously the most direct test mode, but consuming timely to take a lot of work and efficiency is unevident; If so it is preferably test macro and method that the unit of rear end receiving and analyzing comparison can receive or switch comparatively multi output audio-visual format interface.
Effectively test for reaching, a test coverage rate must be inquired into, it is according to each execution route or action in system, all should include in test target, go to analyze these by test cases again and carry out so-called test activity, whether reach how many percentages comprising target to be measured, and the distinct methods such as so-called black box testing of can separately arranging in pairs or groups, user's test, compatibility test.Therefore, when judging display generation device situation, promoting test coverage rate is an importance reference pointer, it can show current display generation device test every interface and transmitting audio-video form contain situation, but at present not all dispatch from the factory before display generation device all can reach 100% test coverage rate.
Summary of the invention
In view of the above problems, the present invention proposes to be applicable to a kind of display measurement jig and the method for testing that a display generation device and analyzes main frame, it obtains the output of each display port on display adapter one by one by circuit switched, for analysis main frame automatic comparison, human eye is not needed to inspect the show state on display device one by one.
For achieving the above object, the present invention discloses a kind of display measurement jig, and be applicable to display generation device and an analysis main frame that connection one has a plurality of display port, wherein each display port is respectively used to output one display.Display measurement jig comprises a main control board, a switch and an image acquisition unit.Main control board is electrically connected analyzes main frame and display generation device, produces display in order to produce a drive singal to drive this display generation device; Switch is electrically connected each display port and the main control board of display generation device, and switch has the circuit switched of a plurality of transmitting display signal therefor, and this switch has a plurality of circuit switched for transmitting display signal therefor; Image acquisition unit is electrically connected switch and main control board, and wherein, image acquisition unit receives the display that circuit switched is transmitted, and is sent to analysis main frame.Whether analyze main frame can be normal by the signal of testing image compare of analysis each display port output.
In at least one embodiment of the present invention, switch comprises a plurality of signal input port and a plurality of signal output port, signal input port is connected to the display port of display generation device, circuit switched switch each output port be connected to signal output port one of them, and among signal output port, have at least one to be connected to image acquisition unit.
In at least one embodiment of the present invention, image acquisition unit has a plurality of acquisition port, be connected to respectively signal output port one of them.
In at least one embodiment of the present invention, each signal input port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
In at least one embodiment of the present invention, each signal output port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
In at least one embodiment of the present invention, each acquisition port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
In at least one embodiment of the present invention, display measurement jig more comprises a display device, be connected to acquisition port one of them.
In at least one embodiment of the present invention, display is test pattern.
The present invention also discloses a kind of display method of testing, and for testing a plurality of display ports of a display generation device, display method of testing comprises the following steps:
A drive singal is produced, to drive display generation device to produce a plurality of display according to a test pattern;
Be electrically connected each display port of display generation device with a switch, wherein switch has a plurality of circuit switched for transmitting display signal therefor;
With circuit switched switch display port at least one of them is electrically connected at an image acquisition unit;
With the display that image acquisition unit reception circuit switched is transmitted, be sent to an analysis main frame; And
To analyze main frame to analyze the difference of display and test pattern.
In at least one embodiment of the present invention, the step analyzing the difference of host analysis display and test pattern comprises:
To analyze coordinate figure and the three primary colors numerical value of image in each display of host analysis and test pattern; And
If in each display and test pattern the coordinate figure of image and three primary colors numerical value consistent, then judge that the display module of display generation device is normal; If in each display and test pattern the coordinate figure of image and three primary colors numerical value inconsistent, then judge that the display module of display generation device is abnormal.
In at least one embodiment of the present invention, analyze main frame and comprise with the step of the difference analyzing display and test pattern:
Image acquisition unit captures each display continuously and is sent to analysis main frame;
Analyze main frame superimposed each display, and analyze display and whether test pattern is overlapping; And
If completely overlapping in each display and test pattern, then judge that the display module of display generation device is normal; If not exclusively overlapping in each display and test pattern, then judge the display module exception of display generation device.
In at least one embodiment of the present invention, analyze main frame and comprise with the step of the difference analyzing display and test pattern:
Display generation device is controlled signal to analyze main frame transmission one;
Video card to be measured adjusts voltage to full load condition according to control signal correspondence, and corresponding passback display generation device is in a current information of full load condition;
Analyze main frame comparison current information and analyze the electric current tolerance value that main frame stores corresponding display generation device; And
If current information does not reach an electric current tolerance value, then judge that the electric terminal of display generation device is normal; If current information is more than an electric current tolerance value, then judge that the electric terminal of display generation device is abnormal.
Display measurement jig of the present invention and method of testing, be applicable to all display interface products possessing multiple display port of test, and the more high-resolution test pattern of replaceable one-tenth, the test coverage rate of display generation device is increased by more high-resolution display, transmission/transmit port in said system and test program can automatically switch, do not get rid of the test result of personnel's test leakage and environmental impact by surround lighting evil affects, and then reach the advantage such as people's multimachine or the test of full automatic display generation device.
Feature for the present invention, implementation and effect, coordinate accompanying drawing to be described in detail as follows as most preferred embodiment.
Accompanying drawing explanation
Fig. 1 is the system block diagrams of the display measurement jig of one embodiment of the invention;
Fig. 2 is the display measurement jig schematic diagram of one embodiment of the invention;
Fig. 3 is the multiple switch schematic diagram of one embodiment of the invention;
Fig. 4 is the circuit switched schematic diagram of one embodiment of the invention;
Fig. 5 is the display method of testing flow chart of one embodiment of the invention;
Fig. 6 is in one embodiment of the invention, analyzes the flow chart of steps of host analysis display;
Fig. 7 is in another embodiment of the present invention, analyzes the flow chart of steps of host analysis display;
Fig. 8 is in one embodiment of the invention, the flow chart of steps whether display interface of display generation device and electric terminal be abnormal.
Description of reference numerals
10 display generation devices
100 display ports
11 analyze main frame
12 display devices
20 display measurement jigs
200 main control boards
200a expansion slot
201 first modules
202 second units
Unit 203 the 3rd
210 switchs
211 first interfaces
212 second contact surfaces
213 the 3rd interfaces
215 circuit switched
216 signal input ports
218 signal output ports
220 image acquisition units.
Embodiment
Please refer to shown in Fig. 1, first embodiment of the invention discloses a kind of display measurement jig 20.Whether display generation device 10 is electrically connected display measurement jig 20, and display measurement jig 20 is electrically connected an analysis main frame 11, export normal for the display testing display generation device 10.
Display generation device 10 can be the device that personal computer, notebook computer, mobile phone, flat computer, Set Top Box, DVD player, Blu-ray player, Video Camera and holder for TV playing etc. have image output, also can be single display adapter.
As Fig. 1, display generation device 10 has a plurality of display port 100, is respectively used to output one display.These display ports 100 can be the combinations of different size output interface, comprise the interface of numeral and simulation audio-visual format terminal.In an embody rule example of the present invention, display generation device 10 is display adapter, and display generation device 10 has HDMI port, DVI-D port, DVI-I (DVI-D) port, DVI-I (DVI-A) port as the combination of display port 100, but not as limit.
Please refer to shown in Fig. 2, this display measurement jig 20 comprises main control board 200, switch 210 and an image acquisition unit 220.
As Fig. 2, main control board 200 is electrically connected analyzes main frame 11.In the occasion that display generation device 10 is display adapters, main control board 200 is a mainboard, and there is an expansion slot 200a, expansion slot 200a, for connecting display generation device 10, makes main control board 200 produce a drive singal and causes display generation device 10 to produce display.Described mainboard is the mainboard being generally applied to PC (Personal Computer), and aforesaid expansion slot 200a is display adapter slot.Except display adapter slot, main control board 200 further comprises other and forms PC main control board 200 and make main control board 200 can perform the necessary element of PC function.Respectively for having, this necessary element knows that the knowledgeable can be able to complete according to the usual knowledge in this area usually, and the place of non-invention characterizing measures, its details repeats no more in this.
In the occasion that display generation device 10 is independent electronic, display generation device 10 is connected to main control board 200 by the interface meeting particular communication agreement, produces display to receive drive singal.
Switch 210 is electrically connected each display port 100 and the main control board 200 of display generation device 10 respectively.Switch 210 has a plurality of circuit switched 215, and each circuit switched 215 is for transmitting display signal therefor.
Switch 210 comprises a plurality of signal input port 216 and a plurality of signal output port 218, and signal input port 216 is connected to the display port 100 of display generation device 10.Operated or the control of main control board 200 by independent, the circuit switched 215 of switch 210 switch each signal input port 216 be connected to signal output port 218 one of them, and have one among signal output port 218 at least and be connected to image acquisition unit 220.
Similarly, the specification of signal input port 216 is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal, to coordinate different display ports 100 respectively.Signal output port 218 is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal, is connected to the signal input port 216 of specification coupling by circuit switched 215.
Image acquisition unit 220 is electrically connected switch 210 and main control board 200, and image acquisition unit 220 has a plurality of acquisition port 222, be connected to respectively signal output port 218 one of them.Be the occasion of mainboard in main control board 200, image acquisition unit 220 is a Frame Grabber, is arranged on this mainboard.
By the switching of circuit switched 215, each acquisition port 222 of image acquisition unit 220 can receive the display that the display port 100 from a correspondence exports, analyze main frame 11 for being sent to, whether the display analyzing the output of this display port 100 for analysis main frame 11 is normal.
Please refer to Fig. 3 is shown in the second embodiment, circuit switched 215 can be multiple signal conversion line, circuit switched 215 comprises first interface 211,1 second interface 212 and one the 3rd interface 213, and formation one multiple signal conversion line transmits and changes display.
Display transfers to first module 201 by display generation device 10, then, display can be converted to another kind of specification by first module 201, or direct bypass (by pass) this display, and transfers to second unit 202 by a first interface 211.Wherein, between first module 201 and a plurality of display ports 100 of display generation device 10, connected by a plurality of signal input port 216, and first interface 211 is formed by a plurality of link that between first module 201 and second unit 202, it corresponds to each other; In the same manner, second unit 202 can be enabled, and once again display is converted to another kind of specification, or direct bypass (by pass) this display, and transfers to the 3rd unit 203 by one second interface 212.Wherein the second interface 212 is formed by a plurality of link that between the 3rd unit 203 and second unit 202, it corresponds to each other; Finally, the 3rd unit 203 transfers to the acquisition port 222 of the corresponding specification of image acquisition unit 220 by the 3rd interface 213, and wherein the 3rd interface 213 is made up of a plurality of signal output ports 218 between the 3rd unit 203 and image acquisition unit 220.
Described in brought forward, at first module 201, second unit 202 and the 3rd unit 203, display can be converted into other transmission standards, also can maintain original transmission standard, to coordinate the specification of the acquisition port 222 of image acquisition unit 220.
Please refer to shown in Fig. 4, first module 201 can change output first display 2011, and second unit 202 can change output second display 2012 and the 3rd unit 203 can change output the 3rd display 2013; Form a multiple signal conversion line by first module 201, second unit 202 and the 3rd unit 203, make the final display specification exported be the first display 2011, second display 2012 or the 3rd display 2013.Aforementioned first display 2011, second display 2012 and the 3rd display 2013 meet D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or one of them audio-visual format of HDTV.
Please refer in Fig. 1, a test pattern (Test Pattern) is stored in analysis main frame 11, wherein display generation device 10 transmits the display of above-mentioned test pattern, this display through display measurement jig 20, with transmitting display signal therefor and analyze main frame 11.In addition, the display that switch 210 exports also directly can output to a display device 12, checks notably to provide tester.Please refer to shown in Fig. 1, in the embodiment disclosed by the present invention, the number of image acquisition unit 220 is not limited with one group, and as wish promotes testing efficiency, can be provided with many group show image acquisition units 220, namely people's multimachine mode is to increase tested productivity simultaneously.Further, the display of replaceable one-tenth more high-resolution resolution chart picture, and then high-definition picture can be recorded to increase test coverage rate.
Described in brought forward, please refer to shown in Fig. 1,2, analysis main frame 11 can perform test program and be used for controlling to switch single switch 210, and, test program is design test, comprise: whether normal the running of this display generation device 10 is, switch 210 is driven for transmitting display signal therefor, to make the display port 100 respectively treating side, be connected to corresponding acquisition port 222, image acquisition unit 220 is made to capture display 100, by the inspection of display port 100 or the use of comparison of carrying out display generation device 10 for analysis main frame 11.
Please refer to shown in Fig. 5, and combine referring to figs. 1 through Fig. 4, third embodiment of the invention discloses a kind of display method of testing, for testing a plurality of display ports 100 of a display generation device 10.
As shown in the figure, first, provide a display generation device 10 (S301), be electrically connected display generation device 10 in a main control board 200 (S302).Main control board 200 has an expansion slot 200a, for being connected to main control board 200, to receive the drive singal that main control board 200 sends for display generation device 10.When display generation device 10 is a display adapter, expansion slot 200a is used for plugging for display adapter.In the occasion that display generation device 10 is independent electronic, expansion slot 200a is the interface meeting particular communication agreement, be connected to main control board 200 for display generation device 10 by particular communication agreement, produce display to receive drive singal.
Main control board 200 produces a drive singal according to a test pattern, display generation device 10 is caused to produce a plurality of display (S303), in order to be transferred to different display ports 100 respectively, each display port 100 of display generation device 10 is made to export the display of each audio-visual format respectively.
In an embody rule example of the present invention, the display port 100 of display generation device 10 can export the combination of the audio-visual format of HDMI, DVI-D, DVI-I (DVI-D) and DVI-I (DVI-A) respectively.
Be electrically connected at each display port 100 (S304) of display generation device 10 with a switch 210, wherein switch 210 has a plurality of circuit switched 215 for transmitting display signal therefor.Switch 210 can independent operation or control switch 210 by main control board 200, make circuit switched 215 switch each signal input port 216 be connected to signal output port 218 one of them.
Then, with circuit switched 215 switch display port 100 at least one of them is electrically connected at an image acquisition unit 220 (S305).Such as, the signal input port 216 of HDMI audio-visual format terminal switches through circuit switched 215, makes it connect the signal output port 218 of DVI audio-visual format terminal.Again such as, the signal input port 216 of AV terminal switches through circuit switched 215, makes it connect the signal output port 218 of D-SUB audio-visual format terminal.
Finally, the display that circuit switched 215 transmits is received with image acquisition unit 220, and be sent to an analysis main frame 11 (S306), then to analyze main frame 11 to analyze the difference of display and test pattern, to judge the display module whether abnormal (S310) of display generation device 10, finally export judged result.
As shown in Figure 6, in a specific embodiment, the step (S310) that display analyzed by analysis main frame 11 comprises to analyze coordinate figure and the three primary colors numerical value (S311) that image in each display and test pattern analyzed by main frame 11; Judge coordinate figure and the three primary colors numerical value whether consistent (S312) of image in each display and test pattern; If in each display and test pattern the coordinate figure of image and three primary colors numerical value consistent, then judge the display module of display generation device 10 normally (S313); If in each display and test pattern the coordinate figure of image and three primary colors numerical value inconsistent, then judge the display module abnormal (S314) of display generation device 10.
As shown in Figure 7, in another specific embodiment, analyze step (S310) that main frame 11 analyzes display comprise with image acquisition unit 220 continuously each display of acquisition be sent to and analyze main frame 11 (S315); To analyze the superimposed each display of main frame 11, and analyze display and test pattern whether overlapping (S316).If completely overlapping in each display and test pattern, then judge the display module of display generation device 10 normally (S317); If not exclusively overlapping in each display and test pattern, then judge display module exception (S318) of display generation device 10.
As shown in Fig. 5 and Fig. 8, analyze main frame 11 with the step analyzing the difference of display and test pattern before, more the following step can be comprised, for judge the display interface of display generation device 10 and electric terminal whether abnormal, its step comprises: transmit one control signal to display generation device 10 (S321) to analyze main frame 11; Video card to be measured adjusts voltage to full load condition according to control signal correspondence, and corresponding passback display generation device 10 is in a current information (S322) of full load condition; Analyze main frame 11 comparison current information and analyze the electric current tolerance value that main frame 11 stores corresponding display generation device 10, whether arrive an electric current tolerance value (S323) to analyze current information.
If current information does not reach electric current tolerance value, then judge the electric terminal normal (S324) of display generation device 10; If current information is more than an electric current tolerance value, then judge the electric terminal abnormal (S325) of display generation device 10.
Display measurement jig of the present invention and method of testing, be applicable to all display interface products possessing multiple display port 100 of test, and the more high-resolution test pattern of replaceable one-tenth, the test coverage rate of display generation device 10 is increased by more high-resolution display, transmission/transmit port in said system and test program can automatically switch, do not get rid of the test result of personnel's test leakage and environmental impact by surround lighting evil affects, and then reach the advantage such as people's multimachine or full automatic display generation device 10 test.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (12)
1. a display measurement jig, be applicable to display generation device and an analysis main frame that connection one has a plurality of display port, wherein respectively this display port is respectively used to output one display; It is characterized in that, this display measurement jig comprises:
One main control board, is electrically connected this analysis main frame and this display generation device, produces display in order to produce a drive singal to drive this display generation device;
One switch, be electrically connected respectively this display port and this main control board of this display generation device, this switch has a plurality of circuit switched for transmitting display signal therefor; And
One image acquisition unit, is electrically connected this switch and this main control board, and wherein, this image acquisition unit receives this display that this circuit switched is transmitted, and is sent to this analysis main frame.
2. display measurement jig as claimed in claim 1, it is characterized in that, this switch comprises a plurality of signal input port and a plurality of signal output port, respectively this signal input port is connected to this display port of this display generation device, this circuit switched switch be connected to respectively this signal output port one of them, and respectively have at least one to be connected to this image acquisition unit among this signal output port.
3. display measurement jig as claimed in claim 2, it is characterized in that, this image acquisition unit has a plurality of acquisition port, be connected to respectively respectively this signal output port one of them.
4. display measurement jig as claimed in claim 2, it is characterized in that, respectively this signal input port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
5. display measurement jig as claimed in claim 2, it is characterized in that, respectively this signal output port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
6. display measurement jig as claimed in claim 3, it is characterized in that, respectively this acquisition port is D-SUB, DVI, HDMI, DisplayPort, S terminal, AV terminal, aberration terminal or HDTV audio-visual format terminal.
7. display measurement jig as claimed in claim 3, is characterized in that, more comprise a display device, be connected to respectively this acquisition port one of them.
8. display measurement jig as claimed in claim 1, it is characterized in that, this display is test pattern.
9. a display method of testing, is characterized in that, for testing a plurality of display ports of a display generation device, this display method of testing comprises the following steps:
A drive singal is produced, to drive this display generation device to produce a plurality of display according to a test pattern;
Be electrically connected respectively this display port of this display generation device with a switch, wherein this switch has a plurality of circuit switched for transmitting display signal therefor;
With this circuit switched switch this display port at least one of them is electrically connected at an image acquisition unit;
Receive with this image acquisition unit this display that this circuit switched transmits, be sent to an analysis main frame; And
With this analysis main frame to analyze the difference of this display and this test pattern.
10. display method of testing as claimed in claim 9, it is characterized in that, the step of the difference of this this display of analysis host analysis and this test pattern comprises:
With the coordinate figure of image in this analysis host analysis respectively this display and this test pattern and three primary colors numerical value; And
If respectively in this display and this test pattern the coordinate figure of image and three primary colors numerical value consistent, then judge that the display module of this display generation device is normal; If respectively in this display and this test pattern the coordinate figure of image and three primary colors numerical value inconsistent, then judge that the display module of this display generation device is abnormal.
11. display method of testings as claimed in claim 9, it is characterized in that, this analysis main frame comprises with the step of the difference analyzing this display and this test pattern:
This image acquisition unit captures respectively this display continuously and is sent to this analysis main frame;
Superimposed respectively this display of this analysis main frame, and analyze this display and whether this test pattern is overlapping; And
If respectively completely overlapping in this display and this test pattern, then judge that the display module of this display generation device is normal; If respectively not exclusively overlapping in this display and this test pattern, then judge that the display module of this display generation device is abnormal.
12. display method of testings as claimed in claim 9, it is characterized in that, this analysis main frame comprises with the step of the difference analyzing this display and this test pattern:
Transmit one with this analysis main frame and control signal to this display generation device;
This video card to be measured adjusts voltage to full load condition according to this control signal correspondence, and corresponding this display generation device of passback is in a current information of full load condition;
This this current information of analysis main frame comparison and this analysis main frame store should an electric current tolerance value of display generation device; And
If this current information does not reach an electric current tolerance value, then judge that the electric terminal of this display generation device is normal; If this current information is more than an electric current tolerance value, then judge that the electric terminal of this display generation device is abnormal.
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| CN201410825877.4A CN104539940A (en) | 2014-12-26 | 2014-12-26 | Testing fixture and testing method of display signals |
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| CN106488226A (en) * | 2015-08-25 | 2017-03-08 | 研祥智能科技股份有限公司 | A kind of automated detection method on production line and device |
| CN109192114A (en) * | 2018-08-22 | 2019-01-11 | 中航华东光电有限公司 | DVI signal testing method |
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| CN201146580Y (en) * | 2007-12-27 | 2008-11-05 | 青岛海信电器股份有限公司 | Automatic test system and television with function of automatically testing interface |
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Application publication date: 20150422 |