CN114241532A - Device for testing fingerprint identification module and use method - Google Patents
Device for testing fingerprint identification module and use method Download PDFInfo
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- CN114241532A CN114241532A CN202111534285.3A CN202111534285A CN114241532A CN 114241532 A CN114241532 A CN 114241532A CN 202111534285 A CN202111534285 A CN 202111534285A CN 114241532 A CN114241532 A CN 114241532A
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Abstract
The invention relates to the field of fingerprint identification, and discloses a device for testing a fingerprint identification module and a using method thereof, wherein the device for testing the fingerprint identification module comprises a shell; the first cover plate is matched with the shell to form an accommodating space for placing a fingerprint identification module, and the first cover plate is provided with a hollow area which is used for exposing an identification area of the fingerprint identification module; be located mainboard in the accommodation space works as the fingerprint identification module is located during the accommodation space, the mainboard is located the below of fingerprint identification module, the mainboard be used for with the fingerprint identification module is connected. The device through being used for testing the fingerprint identification module can accomplish the multiple capability test to the fingerprint identification module to improve efficiency of software testing, guarantee the performance of fingerprint identification module.
Description
Technical Field
The invention relates to the technical field of fingerprint identification, in particular to a device for testing a fingerprint identification module and a using method.
Background
The fingerprint identification module is a core component with a fingerprint identification function product and is a module for collecting and identifying fingerprints. Fingerprint identification refers to a biometric identification technology for performing identification by comparing minutiae of different fingerprints, and can be used for identity identification. The existing fingerprint identification module is mainly applied to industries such as bank and public security information acquisition, the mobile phone and computer industry, door lock security and the like, the demand is strong, the convenience and safety of the fingerprint identification function are increasingly loved and recognized by people, and the rapid development of the fingerprint identification module in the future is undoubted.
Fingerprint identification technologies can be broadly classified into optical, capacitive, and ultrasonic. Optical fingerprint recognition is currently the most widely used biometric technology, but the existing optical fingerprint recognition modules still have many problems, so how to ensure the performance of the optical fingerprint recognition module becomes a problem to be solved in the field.
Disclosure of Invention
The invention discloses a device for testing a fingerprint identification module and a using method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, the present invention provides an apparatus for testing a fingerprint identification module, comprising:
a housing;
the first cover plate is matched with the shell to form an accommodating space for placing a fingerprint identification module, and the first cover plate is provided with a hollow area which is used for exposing an identification area of the fingerprint identification module;
be located mainboard in the accommodation space works as the fingerprint identification module is located during the accommodation space, the mainboard is located the below of fingerprint identification module, the mainboard be used for with the fingerprint identification module is connected.
The accommodating space for accommodating the fingerprint identification module is formed by matching the shell and the first cover plate, the main plate is arranged in the accommodating space, when the fingerprint identification module needs to be detected, the fingerprint identification module is arranged in the accommodating space, the fingerprint identification module is arranged above the main plate, the main plate is connected with the fingerprint identification module, the first cover plate arranged above the main plate is provided with a hollow area, strong light is irradiated above the first cover plate, the strong light penetrates through the hollow area of the first cover plate and irradiates an identification area of the fingerprint identification module, because the main plate is connected with the fingerprint identification module, the performance of the fingerprint identification module after the strong light irradiation in the fingerprint identification module is analyzed through the main plate, the strong light resistance detection of the fingerprint identification module is realized, the whole device has simple structure and convenient operation, and when the strong light resistance detection of the fingerprint identification module is ensured, the detection efficiency is also improved. In addition, the drive chip (IC) exposed outside the identification area in the fingerprint identification module can be prevented from working abnormally due to the strong light irradiation.
Optionally, first apron orientation one side of mainboard is provided with the static and derives the structure, works as the fingerprint identification module is located during accommodation space, the static derive the structure with the fingerprint identification module contact is used for deriving the static in the fingerprint identification module.
Optionally, the apparatus for testing a fingerprint recognition module further comprises: the second apron, the second apron is located first apron deviates from one side of mainboard, the second apron with the identification area of fingerprint identification module corresponds the position and is provided with the reflector plate, the reflector plate orientation the mainboard.
Optionally, the apparatus for testing a fingerprint recognition module further comprises: the supporting plate is located between the main plate and the first cover plate and is provided with a mounting area used for mounting the fingerprint identification module.
Optionally, the main board is connected with the fingerprint identification module through a flexible circuit board, and the support plate is provided with a preformed groove for allowing the flexible circuit board to pass through.
Optionally, an orthographic projection of the hollowed-out area on the main board is greater than or equal to an orthographic projection of the mounting area on the main board.
Optionally, an orthographic projection of the reflector plate on the main board is greater than or equal to an orthographic projection of the mounting area on the main board.
Optionally, an orthographic projection of the reflector plate on the main board is greater than or equal to an orthographic projection of the hollowed-out area on the main board.
Optionally, the static electricity derivation structure includes a conductive sheet and a conductive pillar connected to the conductive sheet, and the conductive pillar is grounded; the conducting strip set up in first apron orientation one side of mainboard, the conducting strip is located around the fretwork area, works as the fingerprint identification module is located in the device for testing fingerprint identification module, the conducting strip with the contact of fingerprint identification module is used for deriving static in the fingerprint identification module extremely lead electrical pillar.
Optionally, the support plate is detachably connected to the side wall of the housing by a connecting assembly.
Optionally, the mounting area of the support plate has a first positioning portion, and the first positioning portion is used for corresponding to a second positioning portion of the fingerprint identification module.
Optionally, one side of the second cover plate is pivotally connected to one side of the side wall of the housing.
In a second aspect, the present invention provides a method for using an apparatus for testing a fingerprint identification module, which employs the apparatus for testing a fingerprint identification module according to any one of the first aspect, including:
placing a fingerprint identification module between a first cover plate and a main plate, wherein the first cover plate is provided with a hollow area, and the fingerprint identification module is exposed out of the hollow area;
carry out resistant strong light nature to the fingerprint identification module and detect.
Optionally, a static electricity leading-out structure is arranged on one side, facing the main board, of the first cover plate, and the static electricity leading-out structure is in contact with the fingerprint identification module;
put into the fingerprint identification module between first apron and the mainboard, first apron has the fretwork area, after the fretwork area exposes fingerprint identification module step, still includes:
and detecting the antistatic performance of the fingerprint identification module.
Optionally, a second cover plate is arranged on one side of the first cover plate, which is away from the main board, a reflector plate is arranged at a position of the second cover plate, which corresponds to the fingerprint identification module, and the reflector plate faces the main board;
put into the fingerprint identification module between first apron and the mainboard, first apron has the fretwork area, after the fretwork area exposes fingerprint identification module step, still includes:
carry out the light-emitting homogeneity to the fingerprint identification module and detect.
Drawings
Fig. 1 is a schematic perspective view of an apparatus for testing a fingerprint identification module according to an embodiment of the present invention;
fig. 2 is a schematic perspective view illustrating an open state of a second cover plate in an apparatus for testing a fingerprint identification module according to an embodiment of the present invention;
FIG. 3 is an exploded view of an apparatus for testing a fingerprint identification module according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an assembly of a main board and a housing of an apparatus for testing a fingerprint identification module according to an embodiment of the present invention;
FIG. 5 is a schematic view of an assembly of a supporting board, a main board and a housing of an apparatus for testing a fingerprint identification module according to an embodiment of the present invention;
FIG. 6 is an assembly view of the fingerprint recognition module of FIG. 5;
FIG. 7 is a schematic view of the structure of FIG. 6 with a second cover plate installed thereon;
FIG. 8 is a schematic top view of a first cover plate for testing a fingerprint identification module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a lower portion of a first cover plate for testing a fingerprint identification module according to an embodiment of the present invention.
Icon: 100-a housing; 200-a main board; 201-a switch; 202-power socket; 203-USB socket; 300-a support plate; 301-a connection assembly; 302-a pre-groove; 400-fingerprint identification module; 401-flexible circuit board; 402-an identification area; 500-a first cover plate; 501-conductive column; 502-a conductive sheet; 503-hollowed-out area; 504-a handle; 600-a second cover plate; 601-reflector plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Optical fingerprint identification is the most widely used biometric identification technology now, but present optical fingerprint identification module 400 all still has not few problems, for example module sensitization device stop work under the strong light irradiation can not normally discern the image, probably damages the module when optical fingerprint identification module 400 surface accumulation is too much static. The principle of optics fingerprint identification module 400 is that need backlight module luminous and through the each layer transparent film layer of optics fingerprint identification module 400 after directive finger, then the photosensitive element in the optics fingerprint identification module 400 receives the image of reflecting back and is used for judging the line of fingerprint. Therefore, the uniformity of the light emitted from the upper surface of the optical fingerprint identification module 400 can directly affect the performance of the fingerprint identification module 400.
Therefore, the problem that the test device of the fingerprint identification module 400, which has a simple structure and can test the strong light resistance and the light uniformity and the antistatic performance, needs to be solved urgently in the field is provided.
In a first aspect, as shown in fig. 1 to 3, an embodiment of the present invention provides an apparatus for testing a fingerprint identification module, including:
a housing 100;
the first cover plate 500, the first cover plate 500 and the housing 100 are matched to form an accommodating space for accommodating the fingerprint identification module 400, the first cover plate 500 has a hollow area 503, and the hollow area 503 is used for exposing the identification area 402 of the fingerprint identification module 400;
It should be noted that, an accommodating space for accommodating the fingerprint identification module 400 is formed by the cooperation of the housing 100 and the first cover plate 500, the main board 200 is arranged in the accommodating space, when the fingerprint identification module 400 needs to be detected, the fingerprint identification module 400 is arranged in the accommodating space, and the fingerprint identification module 400 is arranged above the main board 200, the main board 200 is connected with the fingerprint identification module 400, the first cover plate 500 arranged above the main board 200 is provided with a hollow area 503, the strong light is irradiated above the first cover plate 500, the strong light penetrates through the hollow area 503 of the first cover plate 500 and irradiates the identification area 402 of the fingerprint identification module 400, because the main board 200 is connected with the fingerprint identification module 400, the performance of the fingerprint identification module 400 after being irradiated by the strong light in the fingerprint identification module 400 is analyzed through the main board 200, the detection of the strong light resistance of the fingerprint identification module 400 is realized, the whole device has a simple structure, convenient operation has guaranteed to have still improved detection efficiency when detecting fingerprint identification module 400's resistant highlight performance. In addition, the drive chip (IC) exposed outside the identification area in the fingerprint identification module can be prevented from working abnormally due to the strong light irradiation.
Specifically, a switch 201, a power socket 202 and a USB socket 203 are disposed in the motherboard 200 for controlling data transmission of the external mobile device and the switch 201, where the external mobile device derives data in the motherboard 200 for further analysis or labeling. In addition, for convenience of operation, the housing 100 is provided with openings corresponding to the switch 201 of the main board 200, the power socket 202 and the USB socket 203 one by one, so that a user can directly operate the switch externally.
In a specific embodiment, the first cover plate 500 is provided with a static electricity leading-out structure towards one side of the main plate 200, and when the fingerprint identification module 400 is located in the accommodating space, the static electricity leading-out structure contacts with the fingerprint identification module 400 for leading out static electricity in the fingerprint identification module 400.
When needs carry out antistatic properties to fingerprint identification module 400 and detect, lead fingerprint identification module 400 with static through contact or non-contact method from fingerprint identification module 400's top, static is derived the structure and is derived static from fingerprint identification module 400. Whether the module still works normally is detected subsequently to determine the anti-static performance of the fingerprint identification module 400.
In a specific embodiment, the apparatus for testing a fingerprint recognition module further comprises: the second apron 600, the second apron 600 are located the one side that first apron 500 deviates from mainboard 200, and the second apron 600 is provided with reflector plate 601 with the identification area 402 corresponding position of fingerprint identification module 400, and reflector plate 601 is towards mainboard 200.
When needs carry out light-emitting homogeneity to fingerprint identification module 400 and detect, the reflector plate 601 on the second apron 600 is penetrated to each layer transparent film layer back directive of optical fingerprint identification module 400 to the light that backlight unit sent in fingerprint identification module 400, then the light reflex who jets out fingerprint identification module 400 through reflector plate 601 returns the light sensing element in the module, because mainboard 200 is connected with fingerprint identification module 400, through the analysis of sensing element in mainboard 200 to fingerprint identification module 400, thereby test its light-emitting homogeneity.
With continued reference to fig. 3, the apparatus for testing a fingerprint identification module according to an embodiment of the present invention further includes: a support plate 300 positioned between the main plate 200 and the first cover plate 500, the support plate 300 having a mounting area for mounting the fingerprint recognition module 400.
The device for testing the fingerprint identification module provided by the embodiment of the invention can detect a plurality of fingerprint identification modules 400, and for the purposes of convenient installation and ensuring the stability of the fingerprint identification module 400 after installation, a supporting plate 300 is arranged between a main plate 200 and a first cover plate 500, the installation area of the supporting plate 300 is provided with a first positioning part, and the first positioning part is used for corresponding to the second positioning part of the fingerprint identification module 400. As shown in fig. 3, the mounting area of the supporting plate 300 in the figure is provided with a plurality of holes, which are the first positioning portions, and the holes in the mounting area correspond to the protrusions of the fingerprint identification module 400, so that the fingerprint identification module 400 and the supporting plate 300 are fixed relatively.
As shown in fig. 4, the support plate 300 is detachably coupled to the sidewall of the housing 100 by a coupling assembly 301. That is, the support plate 300 is provided with the connecting block, and then the connecting block is connected with the through hole of the housing 100 through a screw or a bolt, such a connection mode facilitates the replacement of the support plate 300 matched with the fingerprint identification modules 400 of different specifications, thereby improving the application range of the device for testing fingerprint identification modules provided by the embodiment of the present invention.
As shown in fig. 5 and 6, since the supporting plate 300 is disposed between the main board 200 and the fingerprint identification module 400, in order to facilitate connection of the main board 200 and the fingerprint identification module 400, the main board 200 and the fingerprint identification module 400 are electrically connected through a Flexible Circuit board 401 (FPC), and the supporting plate 300 has a pre-groove 302 for allowing the Flexible Circuit board 401 to pass through.
Certainly when carrying out resistant highlight nature detection and antistatic properties to fingerprint identification module 400 and examining, need guarantee that static and highlight can see through fretwork area 503 and hit fingerprint identification module 400 to lieing in the installation region, consequently the orthographic projection of fretwork area 503 on mainboard 200 is greater than or equal to the orthographic projection of installation region on mainboard 200.
Certainly when carrying out the light-emitting homogeneity to fingerprint identification module 400 and detecting, need guarantee that the light that backlight unit in the fingerprint identification module 400 sent shoots the reflector plate 601 on the second apron 600 behind each layer transparent film layer of optics fingerprint identification module 400, then reflect the light that fingerprint identification module 400 jetted out back the photosensitive element in the module through reflector plate 601, therefore the orthographic projection of reflector plate 601 on mainboard 200 is greater than or equal to the orthographic projection of installation area on mainboard 200.
Of course, if when carrying out the light uniformity detection to fingerprint identification module 400, first apron 500 if when installing in the installation space in casing 100, in order to guarantee that the light that will go out fingerprint identification module 400 reflects back to the photosensitive element in the module through reflector plate 601 is not influenced, need guarantee that the orthographic projection of reflector plate 601 on mainboard 200 is greater than or equal to the orthographic projection of fretwork area 503 on mainboard 200.
As shown in fig. 7, one side of the second cover 600 is pivotally connected to one side of the sidewall of the housing 100. Such connected mode is carrying out light-emitting homogeneity to fingerprint identification module 400 and is detecting time measuring, only need the second apron 600 lock can, it is more convenient to operate.
As shown in fig. 8 and 9, the static electricity discharge structure includes a conductive sheet 502 and a conductive post 501 connected to the conductive sheet 502, and the conductive post 501 is grounded; the conducting plate 502 is disposed on one side of the first cover plate 500 facing the motherboard 200, the conducting plate 502 is located around the hollow area 503, and when the fingerprint identification module 400 is located in the device for testing the fingerprint identification module, the conducting plate 502 contacts with the fingerprint identification module 400 for guiding the static electricity in the fingerprint identification module 400 to the conducting post 501.
Of course, when there are two conductive sheets 502, the two conductive sheets 502 are symmetrically disposed with respect to the hollow area 503. Two conducting strips 502 can be better derive the static in fingerprint identification module 400, have improved static and have derived efficiency.
The specific structure of the conductive sheet 502 may be a long strip, but the specific structure of the conductive sheet 502 is not particularly limited as long as the conductive sheet 502 can contact with the fingerprint identification module 400 and conduct the Static electricity therein to the conductive post 501, and then the Static electricity poured into the conductive post 501 penetrates into the ground to achieve Static electricity discharge (ESD). The conductive plate 502 is made of a conductive material, and the other areas of the first cover 500 are made of a non-conductive material, so that the static electricity in the fingerprint identification module 400 can only be introduced into the conductive posts 501 through the conductive plate 502.
The following description is provided with respect to a specific method for using the apparatus for testing a fingerprint identification module according to the embodiment of the present invention:
When treating fingerprint identification module 400 that detects and carry out resistant strong light nature detection and antistatic properties and examine time measuring, at first open second apron 600, take first apron 500 away, place fingerprint identification module 400 in the installing zone in backup pad 300, and be connected fingerprint identification module 400's flexible circuit board 401 and mainboard 200, then cover first apron 500, identification area 402 among the fingerprint identification module 400 exposes from the fretwork region 503 of first apron 500, then carry out strong light irradiation or static conduction to fingerprint identification module 400.
When the light uniformity of the fingerprint identification module 400 to be detected is detected, the second cover 600 is opened, the first cover 500 is removed, the fingerprint identification module 400 is placed in the installation area of the support plate 300, and the flexible circuit board 401 of the fingerprint recognition module 400 is connected with the main board 200, the first cover plate 500 may or may not be covered, and then the second cover plate 600 is covered, then the light emitted from the backlight module in the fingerprint identification module 400 passes through each transparent film layer of the optical fingerprint identification module 400 and then is emitted to the reflective sheet 601 on the second cover plate 600, the light emitted from the fingerprint recognition module 400 is then reflected back to the photosensitive elements in the module by the reflective sheet 601, because mainboard 200 is connected with fingerprint identification module 400, through mainboard 200 the light sensing element carries out the analysis in fingerprint identification module 400 to test its light homogeneity.
In a second aspect, an embodiment of the present invention provides a method for using an apparatus for testing a fingerprint identification module, where the apparatus for testing a fingerprint identification module according to any one of the first aspects is adopted, and includes:
placing the fingerprint identification module 400 between a first cover plate 500 and the main plate 200, wherein the first cover plate 500 has a hollow area 503, and the hollow area 503 exposes the fingerprint identification module 400;
carry out resistant strong light nature to fingerprint identification module 400 and detect.
Optionally, a static electricity leading-out structure is disposed on a side of the first cover plate 500 facing the main plate 200, and the static electricity leading-out structure is in contact with the fingerprint identification module 400;
placing the fingerprint identification module 400 between the first cover plate 500 and the main plate 200, where the first cover plate 500 has a hollow area 503, and after the step of exposing the fingerprint identification module 400 from the hollow area 503, the method further includes:
antistatic performance detection is carried out to fingerprint identification module 400.
Optionally, a second cover plate 600 is disposed on a side of the first cover plate 500 away from the main plate 200, a reflective sheet 601 is disposed at a position of the second cover plate 600 corresponding to the fingerprint identification module 400, and the reflective sheet 601 faces the main plate 200;
placing the fingerprint identification module 400 between the first cover plate 500 and the main plate 200, where the first cover plate 500 has a hollow area 503, and after the step of exposing the fingerprint identification module 400 from the hollow area 503, the method further includes:
carry out light-emitting homogeneity to fingerprint identification module 400 and detect.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A device for testing fingerprint identification module, characterized in that includes:
a housing;
the first cover plate is matched with the shell to form an accommodating space for placing a fingerprint identification module, and the first cover plate is provided with a hollow area which is used for exposing an identification area of the fingerprint identification module;
be located mainboard in the accommodation space works as the fingerprint identification module is located during the accommodation space, the mainboard is located the below of fingerprint identification module, the mainboard be used for with the fingerprint identification module is connected.
2. The apparatus according to claim 1, wherein a static electricity leading-out structure is disposed on a side of the first cover plate facing the main plate, and when the fingerprint recognition module is located in the accommodating space, the static electricity leading-out structure contacts with the fingerprint recognition module for leading out static electricity in the fingerprint recognition module.
3. The device for testing the fingerprint identification module of claim 1 or 2, wherein the device for testing the fingerprint identification module further comprises: the second apron, the second apron is located first apron deviates from one side of mainboard, the second apron with the identification area of fingerprint identification module corresponds the position and is provided with the reflector plate, the reflector plate orientation the mainboard.
4. The device for testing the fingerprint identification module of claim 3 wherein the device for testing the fingerprint identification module further comprises: the supporting plate is located between the main plate and the first cover plate and is provided with a mounting area used for mounting the fingerprint identification module.
5. The apparatus of claim 4, wherein the main board is connected to the fingerprint recognition module via a flexible circuit board, and the supporting board has a pre-groove for the flexible circuit board to pass through.
6. The apparatus of claim 4, wherein an orthographic projection of the hollowed-out area on the motherboard is greater than or equal to an orthographic projection of the mounting area on the motherboard.
7. The apparatus of claim 4, wherein an orthographic projection of the reflector plate on the main board is greater than or equal to an orthographic projection of the mounting area on the main board.
8. The apparatus of claim 7, wherein an orthographic projection of the reflector plate on the main board is greater than or equal to an orthographic projection of the hollowed-out area on the main board.
9. The apparatus for testing a fingerprint identification module of claim 2 wherein said static electricity derivation structure comprises a conductive sheet and a conductive post connected to said conductive sheet, said conductive post being grounded; the conducting strip set up in first apron orientation one side of mainboard, the conducting strip is located around the fretwork area, works as the fingerprint identification module is located in the device for testing fingerprint identification module, the conducting strip with the contact of fingerprint identification module is used for deriving static in the fingerprint identification module extremely lead electrical pillar.
10. The apparatus of claim 4, wherein the support plate is removably coupled to the side wall of the housing via a coupling assembly.
11. The apparatus of claim 4, wherein the mounting area of the support plate has a first positioning portion, and the first positioning portion is configured to correspond to a second positioning portion of the fingerprint recognition module.
12. The apparatus of claim 3, wherein a side of the second cover is pivotally connected to a side of the side wall of the housing.
13. Use of a device for testing fingerprint identification modules according to any of claims 1-12, comprising:
placing a fingerprint identification module between a first cover plate and a main plate, wherein the first cover plate is provided with a hollow area, and the fingerprint identification module is exposed out of the hollow area;
carry out resistant strong light nature to the fingerprint identification module and detect.
14. The method of claim 13,
one side, facing the main board, of the first cover plate is provided with an electrostatic lead-out structure, and the electrostatic lead-out structure is in contact with the fingerprint identification module;
put into the fingerprint identification module between first apron and the mainboard, first apron has the fretwork area, after the fretwork area exposes fingerprint identification module step, still includes:
and detecting the antistatic performance of the fingerprint identification module.
15. The method according to claim 13, wherein a second cover plate is arranged on a side of the first cover plate facing away from the main plate, and a reflector plate is arranged on the second cover plate corresponding to the fingerprint identification module and faces the main plate;
put into the fingerprint identification module between first apron and the mainboard, first apron has the fretwork area, after the fretwork area exposes fingerprint identification module step, still includes:
carry out the light-emitting homogeneity to the fingerprint identification module and detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111534285.3A CN114241532A (en) | 2021-12-15 | 2021-12-15 | Device for testing fingerprint identification module and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111534285.3A CN114241532A (en) | 2021-12-15 | 2021-12-15 | Device for testing fingerprint identification module and use method |
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| CN114241532A true CN114241532A (en) | 2022-03-25 |
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| CN202111534285.3A Pending CN114241532A (en) | 2021-12-15 | 2021-12-15 | Device for testing fingerprint identification module and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159402A1 (en) * | 2022-02-23 | 2023-08-31 | 京东方科技集团股份有限公司 | Fingerprint recognition module |
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2021
- 2021-12-15 CN CN202111534285.3A patent/CN114241532A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159402A1 (en) * | 2022-02-23 | 2023-08-31 | 京东方科技集团股份有限公司 | Fingerprint recognition module |
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