CN110910381B - Touch screen detection system and method - Google Patents
Touch screen detection system and method Download PDFInfo
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- CN110910381B CN110910381B CN201911208081.3A CN201911208081A CN110910381B CN 110910381 B CN110910381 B CN 110910381B CN 201911208081 A CN201911208081 A CN 201911208081A CN 110910381 B CN110910381 B CN 110910381B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
A touch screen detection system and method belong to the field of automatic testing. The touch screen detection device solves the problems that the existing touch screen detection device detects a product and has low detection efficiency. Comprises an upper computer, a PLC controller, a motion module, a transmission device and an execution mechanism; the execution mechanism is used for carrying out screen pointing and screen scribing operations on the touch screen to be tested, and is also used for carrying out image acquisition on the touch screen to be tested and uploading the acquired image to the upper computer; the upper computer is used for sending a control instruction to control the PLC controller and comparing the acquired image with standard images of corresponding detection items in the database of the upper computer so as to obtain a detection result; standard images of all detection items are stored in a database of the upper computer, and the detection items comprise screen sliding detection and screen pointing detection; and the PLC controls the transmission device and the execution mechanism according to the received control instruction. For detecting the touch screen.
Description
Technical Field
The invention belongs to the field of automatic testing.
Background
At present, most manufacturing industries with touch screen products, even touch screen manufacturers, have no automation equipment with higher automation and more complete test projects for detection, and most enterprises have the common practice that the detection is carried out by means of conventional auxiliary tool staff, even the purpose of not reaching 100 percent, the manual detection has large human factors, high cost and low efficiency, and the consistency of product quality delivery cannot be ensured. Therefore, the above problems need to be solved.
Disclosure of Invention
The invention provides a touch screen detection system and method for solving the problem that the detection efficiency is low when a touch screen of a product is detected in the prior art.
A touch screen detection system comprises an upper computer, a PLC controller, a motion module, a transmission device and an execution mechanism;
the transmission device is used for loading the tested touch screen and conveying the tested touch screen to a preset position;
the motion module is used for controlling the motion of the actuating mechanism in the X, Y, Z direction;
the actuating mechanism is fixed on the motion module;
the execution mechanism is used for carrying out screen pointing and screen scribing operations on the touch screen to be tested, and is also used for carrying out image acquisition on the touch screen to be tested and uploading the acquired image to the upper computer;
the upper computer is used for sending a control instruction to control the PLC controller and comparing the acquired image with standard images of corresponding detection items in the database of the upper computer so as to obtain a detection result;
standard images of all detection items are stored in a database of the upper computer, and the detection items comprise screen sliding detection and screen pointing detection;
and the PLC controls the transmission device and the execution mechanism according to the received control instruction.
Preferably, the device also comprises an upper hood, a lower frame and two boxes;
the two boxes and the transmission device are fixed on the lower rack, and the transmission device is positioned between the two boxes; one box body is used for storing an upper computer, and the other box body is used for storing a PLC controller;
the upper hood is positioned above the two box bodies and covers the two box bodies;
the motion module is fixed on the upper surface of one box body;
the motion module, the transmission device and the execution mechanism are all positioned in the upper engine cover.
Preferably, the LED lamp further comprises a light source fixing frame and a light source;
the light source fixing frame and the moving module are fixed on the same box body, and the light source fixing frame is positioned between the moving module and the transmission device;
the light source is fixed on the light source fixing frame.
Preferably, the device further comprises a lifting mechanism, wherein the lifting mechanism is used for lifting the tested touch screen on the transmission device.
Preferably, the executing mechanism comprises a fixed substrate, a camera, a screen drawing rod and a screen pointing rod;
the camera, the screen scribing rod and the screen pointing rod are all fixed on the fixed substrate;
the screen scribing rod and the screen pointing rod are driven by a rodless cylinder.
Preferably, the actuator further comprises two pressure sensors, wherein the first pressure sensor is clamped between the screen rod and the fixed substrate, the second pressure sensor is clamped between the screen rod and the fixed substrate,
the first pressure sensor is used for collecting the screen drawing force of the touch screen to be tested, which acts on the screen drawing rod, and uploading the screen drawing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen drawing force, so as to drive and control the screen drawing rod;
the second pressure sensor is used for collecting the screen pointing force of the touch screen to be tested, which acts on the screen pointing rod, and uploading the screen pointing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen pointing force, so that the screen pointing rod is driven and controlled.
Preferably, the device also comprises a standby rod, a motor and a rotary chuck;
the motor and the rotary chuck are fixed on the fixed substrate, and the motor is used for rotationally driving the rotary chuck;
the clamping action of the rotary chuck is controlled by a hydraulic cylinder.
Preferably, the transmission device comprises a transmission fixed bracket, a detected piece transmission mechanism and a carrier;
the detected piece transmission mechanism is fixed on the transmission fixed bracket, the carrier is arranged on the detected piece transmission mechanism, and the detected touch screen is fixed on the carrier;
and the detected piece transmission mechanism is used for driving the carrier to move so as to drive the detected touch screen to move.
Preferably, the motion module comprises an X-direction transmission mechanism, a Y-direction transmission mechanism, a Z-direction transmission mechanism and a module fixing frame;
the Y-direction transmission mechanism is fixed on the module fixing frame;
the X-direction transmission mechanism is fixed on the Y-direction transmission mechanism;
the Z-direction transmission mechanism is fixed on the X-direction transmission mechanism.
The detection method realized by adopting the touch screen detection system comprises the following steps:
step one, after a tested touch screen is transported to a preset position through a transmission device, the height of the tested touch screen is adjusted through a lifting mechanism;
step two, the upper computer controls the movement module through the PLC controller, so that an executing mechanism on the movement module moves to a preset position;
step three, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen sliding operation of the screen drawing rod on the tested touch screen is performed, the current display state of the tested touch screen is subjected to image acquisition through the camera and is uploaded to the upper computer; the upper computer compares the acquired image with standard images detected by the sliding screen in the database, if the comparison results are the same, the sliding screen function of the tested touch screen is judged to be qualified, and if the comparison results are different, the sliding screen function of the tested touch screen is judged to be unqualified;
step four, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen-pointing operation is carried out on the touch screen to be detected by the screen-pointing rod, the current display state of the touch screen to be detected is subjected to image acquisition through the camera and is uploaded to the upper computer; the upper computer compares the acquired image with a standard graph of the point sliding screen detection in the database, if the comparison results are the same, the point sliding screen function of the tested touch screen is judged to be qualified, and if the comparison results are different, the point sliding screen function of the tested touch screen is judged to be unqualified, so that the detection of the tested touch screen is completed.
The touch screen detection system has the advantages that the structure is simple, the execution mechanism is used for carrying out the screen pointing and scribing operation on the detected touch screen, the point screen pointing and scribing operation is judged according to the collected image, if the collected image is different from the standard image in the computer database, the function of the corresponding detection item is proved to be unqualified, and if the collected image is identical to the standard image in the computer database, the function of the corresponding detection item is proved to be qualified, the whole detection process is simple, the use is convenient, and the detection efficiency is improved. The consistency of product quality delivery is ensured, and the invention can be combined with other equipment of a production line to form automatic detection, and can be used as single equipment to independently finish detection.
Drawings
FIG. 1 is a schematic three-dimensional diagram of a touch screen detection system according to the present invention;
FIG. 2 is an exploded assembly view of FIG. 1;
FIG. 3 is a diagram showing the relative positions of a light source holder and a light source;
FIG. 4 is a schematic diagram of an actuator;
FIG. 5 is a schematic diagram of the transmission mechanism;
FIG. 6 is a schematic diagram of a motion module;
fig. 7 is a diagram showing the relative positional relationship of the upper housing, the lower housing, and the two cases.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The first embodiment is as follows: referring to fig. 1 and fig. 2, a touch screen detection system according to the present embodiment includes an upper computer, a PLC controller, a motion module 1, a transmission device 2, and an actuator 3;
the transmission device 2 is used for loading the tested touch screen 4 and conveying the tested touch screen 4 to a preset position;
a motion module 1 for controlling the motion of the actuator 3 in the X, Y, Z direction;
the actuating mechanism 3 is fixed on the motion module 1;
the execution mechanism 3 is used for carrying out screen pointing and screen scribing operations on the tested touch screen 4, and is also used for carrying out image acquisition on the tested touch screen 4 and uploading the acquired image to the upper computer;
the upper computer is used for sending a control instruction to control the PLC controller and comparing the acquired image with standard images of corresponding detection items in the database of the upper computer so as to obtain a detection result;
standard images of all detection items are stored in a database of the upper computer, and the detection items comprise screen sliding detection and screen pointing detection;
and the PLC controls the transmission device 2 and the execution mechanism 3 according to the received control instruction.
The touch screen detection system is simple in structure, performs screen pointing and screen scribing operations on the detected touch screen 4 through the executing mechanism 3, judges the screen pointing and screen scribing operations according to the acquired images, and detects according to detection items corresponding to the acquired images.
The second embodiment is as follows: referring to fig. 1, 2 and 7, the difference between the embodiment and the touch screen detection system according to the first embodiment is that the touch screen detection system further includes an upper housing 5, a lower housing 6 and two boxes 7;
the two boxes 7 and the transmission device 2 are both fixed on the lower frame 6, and the transmission device 2 is positioned between the two boxes 7; one box body 7 is used for storing an upper computer, and the other box body 7 is used for storing a PLC controller;
the upper hood 5 is positioned above the two box bodies 7 and covers the two box bodies 7;
the motion module 1 is fixed on the upper surface of a box body 7;
the motion module 1, the transmission device 2 and the actuating mechanism 3 are all positioned in the upper hood 5.
In this embodiment, the detection system further comprises an upper hood 5, a lower frame 6 and two boxes 7, so that the detection system of the invention has a compact structure and occupies a small space.
And a third specific embodiment: referring to fig. 3, the difference between the embodiment and the touch screen detection system according to the first embodiment is that the touch screen detection system further includes a light source fixing frame 8 and a light source 9;
the light source fixing frame 8 and the moving module 1 are fixed on the same box body 7, and the light source fixing frame 8 is positioned between the moving module 1 and the transmission device 2;
the light source 9 is fixed on the light source fixing frame 8.
In this embodiment, the light source 9 is used to provide illumination to the touch screen 4 under test.
The specific embodiment IV is as follows: referring to fig. 5, the difference between the embodiment and the touch screen detection system according to the first embodiment is that the touch screen detection system further includes a lifting mechanism for lifting the touch screen 4 to be detected on the conveying device 2.
Fifth embodiment: referring to fig. 4 for illustrating the present embodiment, the embodiment is different from the touch screen detection system of the fourth embodiment in that,
the executing mechanism 3 comprises a fixed substrate 3-1, a camera 3-2, a screen drawing rod 3-3 and a screen pointing rod 3-4;
the camera 3-2, the screen drawing rod 3-3 and the screen pointing rod 3-4 are all fixed on the fixed substrate 3-1;
the screen drawing rod 3-3 and the screen pointing rod 3-4 are driven by a rodless cylinder.
In this embodiment, a specific structure of the actuator 3 is given, which is simple and easy to implement.
Specific embodiment six: referring to fig. 4, the difference between the embodiment and the touch screen detection system according to the fifth embodiment is that the actuator 3 further includes two pressure sensors, wherein the first pressure sensor is clamped between the screen bar 3-3 and the fixed substrate 3-1, the second pressure sensor is clamped between the screen bar 3-4 and the fixed substrate 3-1,
the first pressure sensor is used for collecting the screen drawing force of the tested touch screen 4 acting on the screen drawing rod 3-3 and uploading the screen drawing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen drawing force so as to drive and control the screen drawing rod 3-3;
the second pressure sensor is used for collecting the screen pointing force of the tested touch screen 4 acting on the screen pointing rod 3-4 and uploading the screen pointing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen pointing force, so that the screen pointing rod 3-4 is driven and controlled.
In the embodiment, the data collected by the two pressure sensors can be used for further precisely controlling the dot screen rod 3-4 and the screen scribing rod 3-3.
Seventh embodiment: referring to fig. 4, the difference between the embodiment and the touch screen detection system according to the fifth embodiment is that the touch screen detection system further includes a standby lever 3-5, a motor 3-6, and a spin chuck 3-7;
the motor 3-6 and the rotary chuck 3-7 are fixed on the fixed substrate 3-1, and the motor 3-6 is used for rotationally driving the rotary chuck 3-7;
the clamping action of the rotary chucks 3-7 is controlled by hydraulic cylinders.
In the embodiment, the touch screen vehicle-mounted product with the knob can be detected by the structure, and the rotary chuck 3-7 can clamp and rotate the knob of the touch screen vehicle-mounted product with the knob.
Eighth embodiment: referring to fig. 5, the difference between the embodiment and the touch screen detection system according to the first embodiment is that the transmission device 2 includes a transmission fixing frame 2-1, a detected piece transmission mechanism 2-2, and a carrier 2-3;
the detected piece transmission mechanism 2-2 is fixed on the conveying fixed bracket 2-1, the carrier 2-3 is arranged on the detected piece transmission mechanism 2-2, and the detected touch screen 4 is fixed on the carrier 2-3;
the detected piece transmission mechanism 2-2 is used for driving the carrier 2-3 to move so as to drive the detected touch screen 4 to move.
Detailed description nine: referring to fig. 6, the difference between the embodiment and the touch screen detection system according to the first embodiment is that the motion module 1 includes an X-direction transmission mechanism 1-1, a Y-direction transmission mechanism 1-2, a Z-direction transmission mechanism 1-3, and a module fixing frame 1-4;
the Y-direction transmission mechanism 1-2 is fixed on the module fixing frame 1-4;
the X-direction transmission mechanism 1-1 is fixed on the Y-direction transmission mechanism 1-2;
the Z-direction transmission mechanism 1-3 is fixed on the X-direction transmission mechanism 1-1.
Detailed description ten: the detection method implemented by the touch screen detection system according to the fifth embodiment includes the following steps:
step one, after a tested touch screen 4 is transported to a preset position through a transmission device 2, the height of the tested touch screen 4 is adjusted through a lifting mechanism;
step two, the upper computer controls the movement module 1 through the PLC controller, so that the executing mechanism 3 on the movement module 1 moves to a preset position;
step three, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen sliding operation of the screen drawing rod 3-3 on the tested touch screen 4 is performed, the current display state of the tested touch screen 4 is subjected to image acquisition through the camera 3-2 and is uploaded to the upper computer; the upper computer compares the acquired image with standard images detected by the sliding screen in the database, if the comparison results are the same, the sliding screen function of the tested touch screen 4 is judged to be qualified, and if the comparison results are different, the sliding screen function of the tested touch screen 4 is judged to be unqualified;
step four, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen-pointing operation is carried out on the tested touch screen 4 by the screen-pointing rod 3-4, the current display state of the tested touch screen 4 is subjected to image acquisition through the camera 3-2 and is uploaded to the upper computer; the upper computer compares the acquired image with the standard graph of the point sliding screen detection in the database, if the comparison results are the same, the point sliding screen function of the tested touch screen 4 is judged to be qualified, and if the comparison results are different, the point sliding screen function of the tested touch screen 4 is judged to be unqualified, so that the detection of the tested touch screen 4 is completed.
In this embodiment, the executing mechanism 3 performs the screen pointing and scribing operations on the tested touch screen 4, and determines the screen pointing and scribing operations according to the collected image, if the collected image is different from the standard image in the computer database, the function of the corresponding detection item is proved to be unqualified, and if the collected image is the same as the standard image in the computer database, the function of the corresponding detection item is proved to be qualified, and the whole detection process is simple, the use is convenient, and the detection efficiency is improved.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (7)
1. The touch screen detection system is characterized by comprising an upper computer, a PLC controller, a motion module (1), a transmission device (2) and an execution mechanism (3);
the transmission device (2) is used for loading the tested touch screen (4) and conveying the tested touch screen (4) to a preset position;
the motion module (1) is used for controlling the motion of the actuating mechanism (3) in the X, Y, Z direction;
the actuating mechanism (3) is fixed on the motion module (1);
the executing mechanism (3) is used for carrying out screen pointing and screen scribing operations on the tested touch screen (4), and is also used for carrying out image acquisition on the tested touch screen (4) and uploading the acquired image to the upper computer;
the upper computer is used for sending a control instruction to control the PLC controller and comparing the acquired image with standard images of corresponding detection items in the database of the upper computer so as to obtain a detection result;
standard images of all detection items are stored in a database of the upper computer, and the detection items comprise screen sliding detection and screen pointing detection;
the PLC controls the transmission device (2) and the execution mechanism (3) according to the received control instruction;
the detection system further comprises a lifting mechanism, wherein the lifting mechanism is used for lifting the touch screen (4) to be detected on the transmission device (2);
the actuating mechanism (3) comprises a fixed substrate (3-1), a camera (3-2), a screen drawing rod (3-3) and a screen pointing rod (3-4);
the camera (3-2), the screen drawing rod (3-3) and the screen pointing rod (3-4) are all fixed on the fixed substrate (3-1);
the screen drawing rod (3-3) and the screen pointing rod (3-4) are driven by a rodless cylinder;
the executing mechanism (3) also comprises two pressure sensors, wherein the first pressure sensor is clamped between the screen drawing rod (3-3) and the fixed substrate (3-1), the second pressure sensor is clamped between the screen pointing rod (3-4) and the fixed substrate (3-1),
the first pressure sensor is used for collecting the screen drawing force of the tested touch screen (4) acting on the screen drawing rod (3-3) and uploading the screen drawing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen drawing force so as to drive and control the screen drawing rod (3-3);
the second pressure sensor is used for collecting the screen pointing force of the touch screen (4) to be tested acting on the screen pointing rod (3-4) and uploading the screen pointing force to the upper computer, and the upper computer controls the rodless cylinder through the PLC according to the received screen pointing force, so that the screen pointing rod (3-4) is driven and controlled.
2. A touch screen detection system according to claim 1, further comprising an upper housing (5), a lower housing (6) and two boxes (7);
the two box bodies (7) and the transmission device (2) are both fixed on the lower rack (6), and the transmission device (2) is positioned between the two box bodies (7); one box body (7) is used for storing an upper computer, and the other box body (7) is used for storing a PLC controller;
the upper hood (5) is positioned above the two box bodies (7) and covers the two box bodies (7);
the motion module (1) is fixed on the upper surface of a box body (7);
the motion module (1), the transmission device (2) and the actuating mechanism (3) are all positioned in the upper hood (5).
3. A touch screen detection system according to claim 1, further comprising a light source holder (8) and a light source (9);
the light source fixing frame (8) and the moving module (1) are fixed on the same box body (7), and the light source fixing frame (8) is positioned between the moving module (1) and the transmission device (2);
the light source (9) is fixed on the light source fixing frame (8).
4. A touch screen detection system according to claim 1, further comprising a backup lever (3-5), a motor (3-6) and a spin chuck (3-7);
the motor (3-6) and the rotary chuck (3-7) are fixed on the fixed substrate (3-1), and the motor (3-6) is used for rotationally driving the rotary chuck (3-7);
the clamping action of the rotary chucks (3-7) is controlled by a hydraulic cylinder.
5. A touch screen detection system according to claim 1, wherein the transmission device (2) comprises a transmission fixing bracket (2-1), a detected piece transmission mechanism (2-2) and a carrier (2-3);
the detected piece transmission mechanism (2-2) is fixed on the conveying fixed bracket (2-1), the carrier (2-3) is arranged on the detected piece transmission mechanism (2-2), and the detected touch screen (4) is fixed on the carrier (2-3);
the detected piece transmission mechanism (2-2) is used for driving the carrier (2-3) to move so as to drive the detected touch screen (4) to move.
6. A touch screen detection system according to claim 1, wherein the motion module (1) comprises an X-direction transmission mechanism (1-1), a Y-direction transmission mechanism (1-2), a Z-direction transmission mechanism (1-3) and a module fixing frame (1-4);
the Y-direction transmission mechanism (1-2) is fixed on the module fixing frame (1-4);
the X-direction transmission mechanism (1-1) is fixed on the Y-direction transmission mechanism (1-2);
the Z-direction transmission mechanism (1-3) is fixed on the X-direction transmission mechanism (1-1).
7. A detection method implemented by a touch screen detection system according to claim 1, characterized in that the detection method comprises the steps of:
step one, after a tested touch screen (4) is transported to a preset position through a transmission device (2), the height of the tested touch screen (4) is adjusted through a lifting mechanism;
step two, the upper computer controls the movement module (1) through the PLC controller, so that an executing mechanism (3) on the movement module (1) moves to a preset position;
step three, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen sliding operation of the screen drawing rod (3-3) on the tested touch screen (4), the current display state of the tested touch screen (4) is acquired through the camera (3-2) and uploaded to the upper computer; the upper computer compares the acquired image with standard images detected by the sliding screen in the database, if the comparison results are the same, the sliding screen function of the tested touch screen (4) is judged to be qualified, and if the comparison results are different, the sliding screen function of the tested touch screen (4) is judged to be unqualified;
step four, the upper computer controls the rodless cylinder through the PLC controller, so that after the screen-pointing operation is carried out on the tested touch screen (4) by the screen-pointing rod (3-4), the current display state of the tested touch screen (4) is subjected to image acquisition through the camera (3-2) and is uploaded to the upper computer; the upper computer compares the acquired image with a standard graph of the point sliding screen detection in the database, if the comparison results are the same, the point sliding screen function of the tested touch screen (4) is judged to be qualified, and if the comparison results are different, the point sliding screen function of the tested touch screen (4) is judged to be unqualified, so that the detection of the tested touch screen (4) is completed.
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| CN111948227B (en) * | 2020-08-15 | 2021-10-12 | 深圳市信濠光电科技股份有限公司 | Crack detector for touch screen |
| CN112033643B (en) * | 2020-08-15 | 2021-10-12 | 深圳市信濠光电科技股份有限公司 | Touch-sensitive screen offset check out test set |
| CN111965473B (en) * | 2020-08-15 | 2023-02-24 | 深圳市信濠光电科技股份有限公司 | Capacitive touch screen multi-point detection system and detection method thereof |
| CN112532828A (en) * | 2020-11-16 | 2021-03-19 | 北京控制与电子技术研究所 | Intelligent multimedia acquisition system |
| CN112595358A (en) * | 2020-12-07 | 2021-04-02 | 苏州摩尔法机器人智能科技有限公司 | Operation screen automated inspection machine |
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| CN105675043A (en) * | 2016-01-08 | 2016-06-15 | 上海轩田工业设备有限公司 | Touch screen performance detection device |
| CN106959393A (en) * | 2017-02-08 | 2017-07-18 | 歌尔股份有限公司 | A kind of detection means and detection method of circular touch screen |
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