CN210183397U - Multi-pressure head under-screen fingerprint product testing device - Google Patents
Multi-pressure head under-screen fingerprint product testing device Download PDFInfo
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- CN210183397U CN210183397U CN201921692998.0U CN201921692998U CN210183397U CN 210183397 U CN210183397 U CN 210183397U CN 201921692998 U CN201921692998 U CN 201921692998U CN 210183397 U CN210183397 U CN 210183397U
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Abstract
The utility model discloses a many pressure heads screen fingerprint product testing arrangement down, including end box seat, bearing support, pushing mechanism, gravity sliding mechanism, pressure head rotary switch mechanism, tool clamping device and XYZ triaxial moving platform, bearing support is connected with end box seat is perpendicular, XYZ triaxial moving platform locates on the end box seat, tool clamping device locates on the XYZ triaxial moving platform, it is connected with gravity sliding mechanism to push down the mechanism bottom, gravity sliding mechanism bottom is connected with pressure head rotary switch mechanism, pressure head rotary switch mechanism is located tool clamping device top. The utility model discloses a false finger pressure head subassembly can fix the false finger of test usefulness, sets up a plurality of false finger pressure head subassemblies on the pressure head rotary switch mechanism, can realize that a clamping accomplishes the test of multiple different functions, reduces artificial intervention, improves efficiency of software testing; the method has the advantages of being simple to operate, high in testing efficiency and the like.
Description
Technical Field
The utility model relates to a fingerprint test field under the screen especially relates to a fingerprint product testing arrangement under many pressure heads screen.
Background
In the prior art, the unlocking of the finger print under the screen is the most widely applied unlocking mode on the current mobile phone, and the finger print under the screen has a fake finger test in a functional test and has a plurality of functional fake finger tests, such as a fake recognition rate, an anti-fidelity rate and the like. If the traditional single-pressure head or double-pressure head test frame is used for testing, the fake fingers or the test fixture need to be frequently disassembled and assembled during testing, the testing efficiency is low, and unstable factors of the testing are increased.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the multi-pressure-head under-screen fingerprint product testing device is simple in operation, high in testing efficiency, universal in jig replaceability and capable of achieving one-time clamping and completing testing of various fake fingers.
The technical scheme of the utility model as follows: a multi-press-head under-screen fingerprint product testing device comprises a base box seat, a bearing support, a pressing mechanism, a gravity sliding mechanism, a press head rotation switching mechanism, a jig clamping device and an XYZ three-axis moving platform, wherein the bearing support is vertically connected with the base box seat;
the gravity sliding mechanism comprises a gravity assembly, an upper template, two sliding rails and two sliding seats, wherein the gravity assembly is arranged at the top of the upper template; the pressure head rotary switching mechanism comprises a lower template, a roller bearing and a plurality of fake finger pressure head assemblies, the top of the lower template is connected with the bottom of the upper template through the roller bearing, and the plurality of fake finger pressure head assemblies are respectively arranged at the bottom of the lower template.
According to the technical scheme, in the multi-press-head screen lower fingerprint product testing device, the fake finger press head assembly comprises a fake finger fixing block, a guide shaft and a linear bearing seat, a first linear bearing is arranged in the linear bearing seat, the linear bearing seat is arranged at the bottom of the lower template, the guide shaft sequentially penetrates through the upper template, the lower template and the linear bearing seat from top to bottom, a clamping block is arranged at the top of the guide shaft and clamped with the lower template, and the bottom of the guide shaft is connected with the fake finger fixing block.
Adopt above-mentioned each technical scheme, many pressure head screen in the fingerprint product testing arrangement down, gravity slide mechanism is still including the baffle, be equipped with the cavity inslot on the bearing support, the baffle is located the cavity inslot and is connected with the outer edge of cope match-plate pattern.
By adopting the technical scheme, in the multi-press-head screen lower-fingerprint product testing device, the press head rotary switching mechanism further comprises a positioning block, a plurality of grooves are formed in the outer edge of the lower template and are respectively located at the front end of the fake finger press head assembly, the positioning block is movably connected with the upper template through a pin shaft, a hook block connected with the grooves in a matched and clamped mode is arranged at the front end of the positioning block, and the back of the positioning block is connected with the baffle through a spring.
By adopting the technical scheme, in the multi-press-head screen lower fingerprint product testing device, the gravity sliding mechanism further comprises two guide shaft assemblies, each guide shaft assembly comprises a top plate, a second linear bearing and a guide shaft, the top plates are respectively arranged on two sides of the bearing support, through holes are respectively formed in two sides of the upper template, the second linear bearings are arranged in the through holes, the guide shafts penetrate through the second linear bearings, the tops of the guide shafts are connected with the top plate, and the bottoms of the guide shafts are connected with the bottom box base.
Adopt above-mentioned each technical scheme, many pressure heads screen under in the fingerprint product testing arrangement, push down the mechanism and press from both sides and the fixing base including the elbow, bearing support top is located to the fixing base, the elbow presss from both sides and locates on the fixing base, the cope match-plate pattern top is equipped with the connecting block, the elbow presss from both sides the bottom and is connected with the connecting block.
By adopting the technical scheme, in the multi-press-head screen lower-fingerprint product testing device, the press head rotating and switching mechanism further comprises a plurality of switching handles, and each switching handle is respectively arranged at the bottom of the lower template.
Adopt above-mentioned each technical scheme, many pressure head screen in the fingerprint product testing arrangement down, the gravity subassembly is including weight fixing base, weight and the piece that switches on, the cope match-plate pattern front end is equipped with the opening, it locates in the opening to switch on the piece, the opening upper end is located to the weight fixing base, the weight is located in the weight fixing base.
By adopting the technical scheme, in the multi-pressure head screen lower fingerprint product testing device, the top of the upper template is also provided with an induction seat, and the induction seat is provided with an inductive position sensor.
By adopting the technical scheme, in the multi-pressure head screen lower fingerprint product testing device, the top and the bottom of the bearing support are respectively provided with a mounting plate for mounting a limit proximity switch.
By adopting the technical scheme, the fake finger pressing head assembly can fix a fake finger for testing, and the plurality of fake finger pressing head assemblies are arranged on the pressing head rotating and switching mechanism, so that the testing of various different functions can be completed by one-time clamping, the manual intervention is reduced, and the testing efficiency is improved; the lower template is connected with the upper template through the roller bearing, so that a user can conveniently rotate and switch the artificial fingers with different test functions, and the operation is simple and convenient; the pressing mechanism is connected with the gravity sliding mechanism, so that the fake finger pressing head assembly is driven to press the mobile phone in the jig clamping device, and the operation is simple; moreover, the XYZ three-axis mobile platform can three-dimensionally adjust the position of the mobile phone to be tested, so that the mobile phone to be tested is aligned to the center of the artificial finger pressure head, and the test is accurate; the whole structure is compact, the operation is simple, the testing efficiency is high, and the device can be popularized and used.
Drawings
Fig. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic view of a back side three-dimensional structure of the present invention;
fig. 3 is a schematic diagram of the explosion structure of the present invention;
fig. 4 is a schematic bottom structure diagram of the pressure head rotation switching mechanism of the present invention;
fig. 5 is a schematic structural view of the gravity sliding mechanism of the present invention;
fig. 6 is a schematic top structure diagram of the pressure head rotation switching mechanism of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a multi-press-head under-screen fingerprint product testing device includes a base case seat 1, a bearing support 2, a pressing mechanism 3, a gravity sliding mechanism 4, a press head rotation switching mechanism 5, a jig clamping device 6 and a XYZ three-axis moving platform 7, wherein the bearing support 2 is vertically connected with the base case seat 1, the XYZ three-axis moving platform 7 is arranged on the base case seat 1, the jig clamping device 6 is arranged on the XYZ three-axis moving platform 7, the bottom of the pressing mechanism 3 is connected with the gravity sliding mechanism 4, the bottom of the gravity sliding mechanism 4 is connected with the press head rotation switching mechanism 5, and the press head rotation switching mechanism 5 is located above the jig clamping device 6
Wherein, gravity slide mechanism 4 includes gravity subassembly 42, cope match-plate pattern 41, two slide rails 45 and two slides 46, 41 tops of cope match-plate pattern are located to gravity subassembly 42, two on bearing support 2 is located to slide rail 45 parallel, two be equipped with a slide 46 on the slide rail 45 respectively, two slide 46 is connected with cope match-plate pattern 41 respectively, pressure head rotary switching mechanism 5 includes lower bolster 51, roller bearing 52 and a plurality of fake finger pressure head subassembly 54, the lower bolster 51 top is passed through roller bearing 52 and is connected bottom the cope match-plate pattern 41, and is a plurality of fake finger pressure head subassembly 54 is located the lower bolster 51 bottom respectively.
As shown in fig. 1 and 3, the bottom of the push-down mechanism 3 is connected to the gravity slide mechanism 4, and the push-down mechanism 3 is operated to move the gravity slide mechanism 4 up and down. Preferably, the pressing mechanism 3 comprises an elbow clamp 31 and a fixed seat 32, the fixed seat 32 is arranged at the top of the bearing support 2, the elbow clamp 31 is arranged on the fixed seat 32, a connecting block 43 is arranged at the top of the upper template 41, and the bottom of the elbow clamp 31 is connected with the connecting block 43. When the whole body is in a non-working state, the gravity sliding mechanism 4 can be locked by the elbow clamp 31, and during operation, the operating arm of the elbow clamp 31 only needs to be pulled upwards to the highest position; when the test is required to be pressed, the operating arm of the elbow clip 31 is pulled downwards, and under the action of the gravity sliding mechanism 4, the fake finger pressing head assembly 54 can be pressed on the mobile phone to be tested on the jig clamping device 6, so that the fingerprint function test is realized.
As shown in fig. 3, the gravity slide mechanism 4 can automatically move downward under the action of gravity, so that the artificial finger pressing head assembly 54 presses on the mobile phone to be tested on the jig clamping device 6. Gravity slide mechanism 4 includes gravity subassembly 42, cope match-plate pattern 41, two slide rails 45 and two slides 46, gravity subassembly 42 is located cope match-plate pattern 41 top, two slide rail 45 is parallel to be located on bearing support 2, two be equipped with a slide 46 on the slide rail 45 respectively, two slide 46 is connected with cope match-plate pattern 41 respectively. When the pressing mechanism 3 is in a pressing working state, under the action of gravity of the gravity assembly 42, the upper mold plate 41 can be driven to move downwards along the slide rail 45, so that the fake finger pressing head assembly 54 on the pressing head rotation switching mechanism 5 is pressed on the mobile phone to be tested.
As shown in fig. 1 and 3, the XYZ stage 7 is provided on the base 1, and the jig holding device 6 is provided on the XYZ stage 7. The XYZ three-axis moving platform 7 can adjust the X, Y, Z axes position in three directions simultaneously, so that the cell phone to be tested in the jig clamping device 6 is aligned with the center of the artificial finger pressing head assembly 54. It should be noted that, in this embodiment, the jig clamping device 6 includes a bottom plate 61 and an upper cover 62, a sinking groove is formed in the upper cover 62, and the mobile phone to be tested is disposed on the sinking groove. Of course, the jig clamping device 6 is a mechanism for fixing the product to be tested, and the jig clamping device 6 may have different structures according to the different products, but all have the function of fixing the product, so as to align the position of the product to be tested with the artificial finger pressing head assembly 54.
As shown in fig. 1 and 3, the pressure head rotation switching mechanism 5 can simultaneously clamp a plurality of fake finger pressure heads, and can switch the fake finger pressure heads in a rotation manner, so that the requirements of a user on carrying out various different functional tests are met. The pressure head rotary switching mechanism 5 comprises a lower template 51, a roller bearing 52 and a plurality of fake finger pressure head assemblies 54. The top of the lower template 51 is connected with the bottom of the upper template 41 through a roller bearing 52, and the plurality of artificial finger pressing head assemblies 54 are respectively arranged at the bottom of the lower template 51. In this embodiment, the indenter rotation switching mechanism 5 includes 4 artificial finger indenter assemblies 54, and an artificial finger for testing the mobile phone can be mounted in each artificial finger indenter assembly 54. The arrangement of the roller bearing 52 can enable the lower template 51 to realize stable rotation operation of 360 degrees, thereby realizing the rotation of the artificial finger pressing head assembly 54 and completing the operation of the conversion test of the artificial finger.
As shown in fig. 6, further, in order to facilitate the user to switch the artificial finger pressing head assembly 54, the pressing head rotation switching mechanism 5 further includes a plurality of switching handles 53, and each switching handle 53 is respectively disposed at the bottom of the lower mold plate 51. When the fake finger pressing head assembly 54 needs to be switched for testing, a user can hold the switching handle 53 to rotate the lower template 51, and the switching operation of the fake finger pressing head assembly 54 is completed. The whole switching process is simple to operate and high in testing efficiency.
As shown in fig. 5 and 6, preferably, in order to enable the fake finger pressing head assembly 54 to be conveniently pressed on the mobile phone screen to be tested, the fake finger pressing head assembly 54 includes a fake finger fixing block 541, a guide shaft 542 and a linear bearing seat 543, a first linear bearing is disposed in the linear bearing seat 543, the linear bearing seat 543 is disposed at the bottom of the lower template 51, the guide shaft 542 sequentially penetrates through the upper template 41, the lower template 51 and the linear bearing seat 543 from top to bottom, a fixture block 544 is disposed at the top of the guide shaft 542, the fixture block 544 is clamped with the lower template 51, and the bottom of the guide shaft 542 is connected with the fake finger fixing block 541. The fake finger fixing block 541 can be provided with fake fingers with different testing functions, when the fake finger fixing block 541 is driven by the gravity sliding mechanism 4 to be pressed on the mobile phone to be tested, the guide shaft 542 moves upwards and abuts against the gravity component 42, and at the moment, the pressure of the fake finger pressure head component 54 on the mobile phone screen to be tested is approximately equal to the gravity on the gravity component 42.
As shown in fig. 5, further, for conveniently adjusting the pressure of the artificial finger pressure head assembly 54 on the mobile phone screen to be tested, the gravity assembly 42 includes a weight fixing seat 423, a weight 422 and a conduction block 421, the front end of the upper die plate 41 is provided with an opening, the conduction block 521 is disposed in the opening, the weight fixing seat 423 is disposed at the upper end of the opening, and the weight 422 is disposed in the weight fixing seat 423. It should be noted that the position of the opening should correspond to the screen of the mobile phone in the jig clamping device 6. When the fake finger pressing head assembly 54 is pressed on the screen of the mobile phone to be tested, the fake finger fixing block 541 receives a reverse acting force, so that the guide shaft 542 reversely moves upwards until the guide shaft 542 is abutted against the conduction block 421, at the moment, the conduction block 421 abuts against the weight 422, and the force of the fake finger fixing block 541 acting on the screen of the mobile phone is approximately equal to the gravity of the weight 422. In addition, it should be noted that, the user can change the weights 422 with different weights according to actual conditions, so as to meet different testing requirements.
As shown in fig. 3 and 4, in order to make the gravity sliding mechanism 4 slide down stably, the gravity sliding mechanism 4 further includes two guide shaft assemblies, each of the guide shaft assemblies includes a top plate 471, a second linear bearing 473 and a guide shaft 472, the top plate 471 is respectively disposed on two sides of the load-bearing support 2, through holes are respectively disposed on two sides of the upper mold plate 41, the second linear bearing 473 is disposed in the through hole, the guide shaft 472 penetrates through the second linear bearing 473, the top of the guide shaft 472 is connected to the top plate 471, and the bottom of the guide shaft 472 is connected to the bottom box base 1. Thus, under the guiding action of the second linear bearing 473 and the guide shaft 472, the artificial finger pressing head assembly 54 can be pressed on the mobile phone to be tested smoothly.
As shown in fig. 2 and 4, in order to limit the sliding distance of the gravity sliding mechanism 4 and prevent the gravity sliding mechanism 4 from descending or ascending too high, the gravity sliding mechanism 4 further includes a baffle plate 48, the load-bearing support 2 is provided with a hollow groove 21, and the baffle plate 48 is located in the hollow groove 21 and connected to the outer edge of the upper mold plate 41. The baffle plate 48 is positioned in the hollow groove 21, and because the baffle plate 48 is connected with the upper template 41, when the upper template 41 moves up and down, the hollow groove 21 can limit the baffle plate 48 from moving out of the hollow groove 21, namely, the limit distance of the up and down movement of the upper template 41 is equal to the height of the hollow groove 21.
As shown in fig. 2, further, in order to realize accurate movement of the gravity sliding mechanism 4 and prevent the screen of the mobile phone to be tested from being crushed due to an excessively large pushing stroke, the top and the bottom of the bearing support 2 are respectively provided with a mounting plate 49 for mounting a limit proximity switch. The mounting plate 49 at the top of the load bearing frame 2 may be fitted with an upper limit travel proximity switch and the mounting plate 49 at the bottom of the load bearing frame 2 may be fitted with a lower limit travel proximity switch. When the upper template 41 moves upwards under the action of the pressing mechanism 3 and reaches a certain height, the upper limit travel proximity switch can sense the baffle 48 to remind a user that the gravity sliding mechanism 4 is lifted to the right position; when the upper template 41 is lowered to a certain height by the gravity assembly 42, the lower limit forming proximity switch can sense the stop 48 to alert the user that the artificial finger pressure head assembly 54 has been lowered into position. Through the motion process of the mode control gravity slide mechanism 4 of auto-induction, can improve the utility model discloses the stability of test.
As shown in fig. 4 and 6, further, in order to prevent the artificial finger pressing head assembly 54 from deviating during the testing process and affecting the testing accuracy, the pressing head rotation switching mechanism 5 further includes a positioning block 55, a plurality of grooves 511 are formed in the outer edge of the lower die plate 51, the grooves 511 are respectively located at the front end of the artificial finger pressing head assembly 54, the positioning block 55 is movably connected with the upper die plate 41 through a pin shaft, a hook block adapted and clamped with the grooves 511 is arranged at the front end of the positioning block 55, and the back of the positioning block 55 is connected with the baffle 48 through a spring (not shown). Therefore, under the action of the elastic force of the spring, the hook block of the positioning block 55 can be clamped with the groove 511 on the lower template 51, and the lower template 51 cannot easily rotate, i.e., the artificial finger head assembly 54 in this state can be stably tested. When the fake finger pressing head assembly 54 needs to be switched for testing, the lower template 51 only needs to be rotated clockwise slightly, after the elasticity of the spring is overcome, the lower template 51 can be rotated to switch the fake finger pressing head assemblies 54 with different testing functions until the hook block of the positioning block 55 is clamped with the groove 511 corresponding to the next fake finger pressing head assembly 54. The whole positioning switching operation process is simple and convenient, and the positioning is stable.
As shown in fig. 1, further, in order to realize the accurate switching of the fake finger head assembly 54, the top of the upper mold plate 41 is further provided with a sensing seat 44, and the sensing seat 44 is provided with an inductive position sensor. The inductive base 44 may be provided with an inductive position sensor, which may sense whether the current finger tip assembly 54 has been switched in place, so as to ensure that the currently tested finger tip assembly 54 is in a stable position state, and prevent the finger tip assembly 54 from pressing on other parts of the mobile phone.
As shown in fig. 1, it should be noted that, in order to optimize the overall structure, a control main board, a control switch, a display instrument and a display lamp for testing may be fixedly installed in the bottom box base 1. The user can know the pressure value of the mobile phone to be tested by observing the display instrument on the base box seat 1 so as to judge whether the fake finger pressing head component 54 is pressed down in place; it is also possible to determine whether the switch of the artificial finger ram assembly 54 is completed by observing the indicator light on the base cartridge 1. In addition, in the embodiment, the two sides of the back of the load-bearing support 2 are respectively provided with the reinforcing rib plates 22 to enhance the structural strength of the load-bearing support 2.
By adopting the technical scheme, the fake finger pressing head assembly can fix a fake finger for testing, and the plurality of fake finger pressing head assemblies are arranged on the pressing head rotating and switching mechanism, so that the testing of various different functions can be completed by one-time clamping, the manual intervention is reduced, and the testing efficiency is improved; the lower template is connected with the upper template through the roller bearing, so that a user can conveniently rotate and switch the artificial fingers with different test functions, and the operation is simple and convenient; the pressing mechanism is connected with the gravity sliding mechanism, so that the fake finger pressing head assembly is driven to press the mobile phone in the jig clamping device, and the operation is simple; moreover, the XYZ three-axis mobile platform can three-dimensionally adjust the position of the mobile phone to be tested, so that the mobile phone to be tested is aligned to the center of the artificial finger pressure head, and the test is accurate; the whole structure is compact, the operation is simple, the testing efficiency is high, and the device can be popularized and used.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a many pressure heads are fingerprint product testing arrangement under screen which characterized in that: the jig clamping device is arranged on the XYZ three-axis moving platform, the bottom of the pressing mechanism is connected with the gravity sliding mechanism, the bottom of the gravity sliding mechanism is connected with the pressure head rotation switching mechanism, and the pressure head rotation switching mechanism is positioned above the jig clamping device;
the gravity sliding mechanism comprises a gravity assembly, an upper template, two sliding rails and two sliding seats, wherein the gravity assembly is arranged at the top of the upper template; the pressure head rotary switching mechanism comprises a lower template, a roller bearing and a plurality of fake finger pressure head assemblies, the top of the lower template is connected with the bottom of the upper template through the roller bearing, and the plurality of fake finger pressure head assemblies are respectively arranged at the bottom of the lower template.
2. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the fake finger pressure head subassembly includes fake finger fixed block, guiding axle and sharp bearing frame, be equipped with first linear bearing in the sharp bearing frame, the lower bolster bottom is located to sharp bearing frame, the guiding axle passes cope match-plate pattern, lower bolster and sharp bearing frame from top to bottom in proper order, the guiding axle top is equipped with the fixture block, fixture block and lower bolster joint, the guiding axle bottom is connected with the fake finger fixed block.
3. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the gravity sliding mechanism further comprises a baffle, a hollow groove is formed in the bearing support, and the baffle is located in the hollow groove and connected with the outer edge of the upper template.
4. The multi-pressure head under-screen fingerprint product testing device of claim 3, wherein: the pressure head rotary switching mechanism further comprises a positioning block, a plurality of grooves are formed in the outer edge of the lower template, the grooves are respectively located at the front end of the fake finger pressure head assembly, the positioning block is movably connected with the upper template through a pin shaft, a hook block matched and connected with the grooves in a clamped mode is arranged at the front end of the positioning block, and the back of the positioning block is connected with the baffle through a spring.
5. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the gravity sliding mechanism further comprises two guide shaft assemblies, each guide shaft assembly comprises a top plate, a second linear bearing and a guide shaft, the top plates are respectively arranged on two sides of the bearing support, through holes are respectively formed in two sides of the upper die plate, the second linear bearings are arranged in the through holes, the guide shafts penetrate through the second linear bearings, the tops of the guide shafts are connected with the top plates, and the bottoms of the guide shafts are connected with the bottom box base.
6. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: push down the mechanism and press from both sides and fixing base including the elbow, bearing support top is located to the fixing base, the elbow presss from both sides to be located on the fixing base, the cope match-plate pattern top is equipped with the connecting block, the elbow presss from both sides the bottom and is connected with the connecting block.
7. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the pressure head rotary switching mechanism further comprises a plurality of switching handles, and the switching handles are respectively arranged at the bottom of the lower template.
8. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the gravity assembly comprises a weight fixing seat, weights and a conduction block, the front end of the upper template is provided with an opening, the conduction block is arranged in the opening, the weight fixing seat is arranged at the upper end of the opening, and the weights are arranged in the weight fixing seat.
9. The multi-pressure head under-screen fingerprint product testing device of claim 1, wherein: the top of the upper template is also provided with an induction seat, and the induction seat is provided with an inductive position sensor.
10. The multi-pressure head under-screen fingerprint product testing device of claim 3, wherein: and the top and the bottom of the bearing support are also respectively provided with a mounting plate for mounting a limit proximity switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921692998.0U CN210183397U (en) | 2019-10-10 | 2019-10-10 | Multi-pressure head under-screen fingerprint product testing device |
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| CN201921692998.0U CN210183397U (en) | 2019-10-10 | 2019-10-10 | Multi-pressure head under-screen fingerprint product testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115686986A (en) * | 2023-01-04 | 2023-02-03 | 北京东舟技术股份有限公司 | Smart screen fingerprint test system and fingerprint test method |
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2019
- 2019-10-10 CN CN201921692998.0U patent/CN210183397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115686986A (en) * | 2023-01-04 | 2023-02-03 | 北京东舟技术股份有限公司 | Smart screen fingerprint test system and fingerprint test method |
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