CN110675520A - Fingerprint machine - Google Patents

Fingerprint machine Download PDF

Info

Publication number
CN110675520A
CN110675520A CN201910898781.3A CN201910898781A CN110675520A CN 110675520 A CN110675520 A CN 110675520A CN 201910898781 A CN201910898781 A CN 201910898781A CN 110675520 A CN110675520 A CN 110675520A
Authority
CN
China
Prior art keywords
fingerprint
cover body
machine
contact plate
fingerprint machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910898781.3A
Other languages
Chinese (zh)
Inventor
黄碧娴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910898781.3A priority Critical patent/CN110675520A/en
Publication of CN110675520A publication Critical patent/CN110675520A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/10Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
    • G07C1/12Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity wherein the time is indicated in figures

Abstract

The invention discloses a fingerprint machine, which comprises a display screen, a fingerprint sensing structure, a main body, a heat dissipation hole and a numeric keyboard, wherein the display screen and the numeric keyboard are arranged at the upper part and the lower part of one end of the main body, the fingerprint sensing structure and the heat dissipation hole are arranged at the other end of the main body, the fingerprint sensing structure is connected with the display screen, the fingerprint sensing structure comprises a camera, a placing groove, a bottom frame and a top cover, the fingerprint machine is mutually matched through structures such as a fingerprint touch screen, a travel switch and the like, can directly shoot the fingerprint on the first cover body or inject the glycerol into the first cover body and the second cover body to generate a fingerprint image by utilizing the fingerprint effect to flow on the glycerol, and then compare the fingerprint images with the fingerprint library on line to ensure that people with shallow fingerprint or more fingerprint folds can also adopt a fingerprint machine, in addition, the characteristic of glycerol can be utilized to reduce the generation of fog on the first cover body, so that the definition of fingerprints is improved, and the fingerprints can be ensured to operate normally and definitely.

Description

Fingerprint machine
Technical Field
The invention relates to the field of fingerprints, in particular to a fingerprint machine.
Background
The fingerprint machine is generally a fingerprint attendance machine, namely, the fingerprint attendance machine integrates human, ground and time, attendance false is removed, the personnel attendance of enterprise employees is managed fairly, reasonably, effectively and scientifically, and if the current fingerprint machine meets the following conditions, some employees are difficult to use or cannot use fingerprints at all for attendance checking: first, the wrinkles on the fingers are too many and often vary; second, peeling on the fingers is severe; in addition, because the environment is at a high temperature when used indoors or outdoors, the surface of the fingerprint machine is slightly wet, and the fingerprint cannot be sensed accurately.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a fingerprint machine structurally comprises a display screen, a fingerprint sensing structure, a main body, radiating holes and a numeric keyboard, wherein the display screen and the numeric keyboard are vertically installed at one end of the main body, the fingerprint sensing structure and the radiating holes are installed at the other end of the main body, and the fingerprint sensing structure is connected with the display screen; the method is characterized in that:
the fingerprint sensing structure comprises a camera, a placing groove, a bottom frame and a top cover, wherein the placing groove is formed in the middle of the bottom frame, the camera is placed in the placing groove, the top cover is arranged right above the camera, and the top cover is movably matched with the bottom frame.
As the further optimization of this technical scheme, standing groove one side of chassis is equipped with more than two ventilation holes, and these ventilation holes are even equidistance and distribute.
As the further optimization of this technical scheme, the top cap comprises lid, fingerprint touch-sensitive screen, travel switch, through wires hole, be equipped with the fingerprint touch-sensitive screen in the middle of the lid top is positive, the inside travel switch that is equipped with of fingerprint touch-sensitive screen, travel switch and power electricity are connected, open one side of lid has a through wires hole, top cap and chassis clearance fit.
As a further optimization of the technical scheme, the fingerprint touch screen is composed of a first cover body and a second cover body; the second cover body is tightly attached to the cover body, the first cover body is located right above the second cover body and is in movable contact with the second cover body, and the periphery of the first cover body is in movable fit with the threading hole.
As a further optimization of the technical scheme, the travel switch is composed of a contact plate, a lower lifting strip and an electric wire, the contact plate is embedded in the middle of the first cover body, the electric wire is connected to the contact plate, the electric wire sequentially penetrates through the first cover body and the threading hole and then is connected with the power supply, the lower lifting strip is placed under the contact plate, and the lower lifting strip is incompletely attached to the second cover body at a horizontal included angle between the lower lifting strip and the second cover body in a natural state.
As a further optimization of the technical scheme, a liquid guiding groove is formed in the cover body on the periphery of the second cover body.
As a further optimization of the technical scheme, two interception blocks are arranged on an outer corner, away from the lower lifting strip, of the liquid guiding groove of the second cover body, and extension lines of central axes of the two interception blocks are perpendicular to each other.
As a further optimization of the technical scheme, the corner inlet on the other side of the liquid guiding groove is an arc-shaped chamfer, and after the glycerin is injected and the first cover body is installed, the glycerin rises more smoothly.
As a further optimization of the technical scheme, the edge of the contact plate is wrapped by a layer of rubber ring, and the rubber ring is made of rubber materials and has certain plasticity and deformation capacity.
As a further optimization of the technical scheme, the total width of the first cover body is slightly larger than that of the second cover body, a raised arc-shaped space is formed after the installation is finished, and glycerin is injected into the space and has the characteristics of strong liquidity, good heat conductivity and non-conductivity.
Advantageous effects
Compared with the prior art, the fingerprint machine has the following advantages:
1. the invention mainly realizes the fingerprint card-punching attendance record by photographing on the fingerprint touch screen by the camera and then carrying out online comparison, and the card-punching mode can be used no matter the depth of the fingerprint;
2. according to the invention, only by applying pressure to the first cover body of the fingerprint touch screen, the contact plate on the first cover body is contacted with the lower lifting strip on the second cover body, so that the camera can take pictures on line, the camera is prevented from being powered on all the time, and the power consumption is increased;
3. the design of the vent hole ensures the air circulation of the space where the camera is located, and the camera cannot be halted due to incapability of radiating heat generated by operation;
4. according to the invention, glycerin can be injected between the first cover body and the second cover body, and due to the characteristics of strong liquidity, good heat conductivity and non-conductivity of glycerin, for people with shallow fingerprints, images identical to fingerprints can be formed due to the liquidity and the concave-convex surface of the fingerprints, so that the temperature of the first cover body can be rapidly dissipated through photographing contrast, and the condition that the raised strips are mutually contacted with the contact plate under the condition of no pressure to cause circuit communication is avoided;
5. the two interception blocks tightly press the first cover body to prevent the first cover body from drifting into air to cause glycerin to be changed in quality;
6. the design of the liquid guiding groove can ensure that when the first cover body is not installed, the glycerol is stored at a position which can not overflow to cause the faults of other electric devices, and further, the design of the cambered surface ensures that liquid can flow up to the middle of the second cover body due to the pressure of the inner space after the first cover body is installed to act on the whole first cover body;
7. according to the invention, through the design of the rubber ring, the characteristics of the design of the material and the structural size of the rubber ring are utilized, the first cover body is ensured to be in complete contact with the cover body after the installation, the coefficient of liquid expansion is reduced, and the middle position of the first cover body can be raised to form unbalanced pressure so as to cause the flow of glycerin.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of a fingerprint machine according to the present invention.
Fig. 2 is a schematic partial three-dimensional structure of the fingerprint sensing structure of the present invention.
Fig. 3 is a schematic plan view of the top cover of the present invention.
Fig. 4 is a schematic cross-sectional view of the assembled top cover of the present invention.
Fig. 5 is a schematic sectional view of the assembled top cover of the present invention.
In the figure: the fingerprint sensing device comprises a display screen 1, a fingerprint sensing structure 2, a main body 3, a heat dissipation hole 4, a numeric keyboard 5, a camera 21, a placing groove 22, a bottom frame 23, a top cover 24, a ventilation hole 25, a cover body b, a fingerprint touch screen c, a travel switch d, a threading hole a, a first cover body c1, a second cover body c2, a contact plate d1, a lower raising strip d2, an electric wire d3, a liquid guiding groove c5, an intercepting block e and a rubber ring c 6.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-5, the present invention provides a fingerprint machine, which structurally comprises a display screen 1, a fingerprint sensing structure 2, a main body 3, heat dissipation holes 4 and a numeric keyboard 5, wherein the display screen 1 and the numeric keyboard 5 are installed on one end of the main body 3 from top to bottom, the fingerprint sensing structure 2 and the heat dissipation holes 4 are installed on the other end of the main body, and the fingerprint sensing structure 2 is connected with the display screen 1; the method is characterized in that:
the fingerprint sensing structure 2 comprises a camera 21, a placing groove 22, a bottom frame 23 and a top cover 24, wherein the placing groove 22 is formed in the middle of the bottom frame 23, the camera 21 is placed in the placing groove 22, the top cover 24 is arranged right above the camera 21, and the top cover 24 is movably matched with the bottom frame 23.
The standing groove 22 one side of chassis 23 is equipped with more than two ventilation holes 25, and these ventilation holes 25 are even equidistance and distribute, guarantee the inside circulation of air of camera 21, can not cause the crash because of the operation heat production.
Top cap 24 comprises lid b, fingerprint touch-sensitive screen c, travel switch d, through wires hole a, be equipped with fingerprint touch-sensitive screen c in the middle of the lid b top is positive, the inside travel switch d that is equipped with of fingerprint touch-sensitive screen c, travel switch d and power electricity are connected, open one side of lid b has a through wires hole a, top cap 24 and chassis 23 clearance fit.
The fingerprint touch screen c consists of a first cover c1 and a second cover c 2; the second cover body c2 and the cover body b are tightly attached, the first cover body c1 is positioned right above the second cover body c2 and is in movable contact with the second cover body c2, and the periphery of the first cover body c1 is movably matched with the threading hole c 3.
The travel switch d comprises a contact plate d1, a lower lifting strip d2 and an electric wire d3, wherein the contact plate d1 is embedded in the middle of a first cover body c1, an electric wire d3 is electrically connected to the contact plate d1, the electric wire d3 sequentially penetrates through the first cover body c1 and a threading hole c3 and then is connected with a power supply, a lower lifting strip d2 is placed under the contact plate d1, a horizontal included angle between the lower lifting strip d2 and a second cover body c2 in a natural state is 3-5 degrees and is not completely attached to the lower lifting strip d2, the lower lifting strip d2 is completely immersed in glycerin to achieve power failure, and the other end, far away from the contact plate d1, of the lower lifting strip d2 is electrically connected with the camera 21 through the electric wire d 3.
The cover body b around the second cover body c2 is provided with a liquid guide groove c5, and the position for storing the glycerol is provided when the glycerol is injected, so that the glycerol cannot overflow to the periphery.
Two interception blocks e are arranged at the outer corner, far away from the lower lifting strip d2, of the liquid guide groove c5 of the second cover body c2, the extension lines of the central axes of the two interception blocks e are perpendicular to each other, and after the first cover body c1 is installed, the corner of the first cover body c1 can be stably pressed, so that the phenomenon that the glycerin drifts into air to cause the quality change of the glycerin is avoided.
The corner inlet on the other side of the liquid guide groove c5 is an arc chamfer, and after the glycerin is injected and the first cover body c1 is installed, the glycerin rises more smoothly.
The edge of contact panel d1 is wrapped up one deck rubber circle c6, and rubber circle c6 is made by the rubber material, and itself has certain plasticity and deformability, can expand the back and fully contact with lid b, and airtight wind prevents that the air from getting into.
The total width of the first cover body c1 is slightly larger than the width of the second cover body c2, a raised arc-shaped space is formed after installation is finished, glycerin is injected into the space, the glycerin has the characteristics of high fluidity, good heat conductivity and non-conductivity, and can flow around under the influence of pressure when a finger presses down, formed flowing lines are also clear and visible for people with shallow fingerprints, and then the people can use the automobile through photographing contrast, the heat conductivity is good, the surface temperature of the automobile is dissipated as soon as possible in outdoor use, and fog is prevented from being generated on the first cover body c 1.
The first cover body c1 is covered on the second cover body c2, pressure is applied to the first cover body c1 of the fingerprint touch screen c, a contact plate d1 on the first cover body c1 is contacted with a lower raised strip d2 on the second cover body c2, the camera 21 is enabled to take a picture online, online comparison is conducted on a fingerprint library, a person with shallow fingerprints or more fingerprint wrinkles can also adopt a fingerprint machine, the situation that the camera 21 is powered on all the time is avoided, power consumption is increased, in the process, four corners of the first cover body c1 can be tightly pressed on the first cover body c1 through two blocking blocks e, after the first cover body c1 is pressed, relative sliding exists between the first cover body c1 and the second cover body c2, when the camera 21 is used, light is refracted, so that shooting is fuzzy, glycerin can be injected between the first cover body c1 and the second cover body c2, the glycerin is firstly injected into a liquid guiding groove c5, is intensively placed, and is not dropped into other electronic devices, the electronic device runs smoothly, then the first cover body c1 is installed, a circle of rubber ring c6 is sleeved on the outer surface of the first cover body c1, because the total width of the first cover body c1 is slightly larger than the width of the second cover body c2, the rubber ring c6 can be tightly attached to the cover body b without gaps after installation, air is prevented from entering, the rubber ring is tightly fixed by the interception block e, a slight bulge is formed in the middle of the interception block e, glycerin in the liquid guiding groove c5 flows upwards to the bulge space, the cambered surface design of the lower raising strip d2 can enable the glycerin to flow more smoothly, the lower raising strip d2 is soaked in the glycerol, the glycerin can flow and disperse towards the periphery under the action of external force only, the joint of the lower raising strip d2 can be exposed while a fingerprint image is formed, the contact plate of the lower raising strip d2 can be communicated with the d1, the camera 21 is connected with a power supply, photographing and data comparison are carried out, the ventilation hole 25 arranged beside the camera 21, the air fluidity of the space where the camera 21 is located is ensured, the camera 21 is prevented from being heated to cause faults, in addition, the temperature of the first cover body c1 can be quickly dissipated due to the good heat conductivity of the glycerol, the generation of fog on the first cover body c1 is reduced, and the definition of images is further improved.
The invention solves the problem that attendance checking can not be carried out by using fingerprints: first, the wrinkles on the fingers are too many and often vary; second, peeling on the fingers is severe; in addition, because the temperature of the environment is high when the fingerprint machine is used indoors or outdoors, the surface of the fingerprint machine is slightly moist, and the fingerprint cannot be sensed accurately, the fingerprint touch screen assembly can directly shoot the fingerprint on the first cover body c1 or inject glycerin into the first cover body c1 and the second cover body c2 through the mutual matching of structures such as the fingerprint touch screen c, the travel switch d and the like to generate a fingerprint image by utilizing the fingerprint effect on the glycerin to cause the flow, and then the fingerprint library is compared on line, so that people with shallow fingerprints or more fingerprint wrinkles can also adopt the fingerprint machine, and in addition, the mist generation on the first cover body c1 can be reduced by utilizing the characteristics of the glycerin, thereby improving the definition of the fingerprint and ensuring that the fingerprint can be operated normally and definitely.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A fingerprint machine structurally comprises a display screen (1), a fingerprint induction structure (2), a main body (3), radiating holes (4) and a numeric keyboard (5), wherein the display screen (1) and the numeric keyboard (5) are vertically installed at one end of the main body (3), the fingerprint induction structure (2) and the radiating holes (4) are installed at the other end of the main body, and the fingerprint induction structure (2) is connected with the display screen (1); the method is characterized in that:
fingerprint response structure (2) are including camera (21), standing groove (22), chassis (23), top cap (24), open in the middle of chassis (23) is positive has standing groove (22), placed camera (21) in standing groove (22), be equipped with top cap (24) directly over camera (21), top cap (24) and chassis (23) clearance fit.
2. A fingerprint machine as claimed in claim 1, wherein: more than two vent holes (25) are formed in one side of the placing groove (22) of the bottom frame (23).
3. A fingerprint machine as claimed in claim 1, wherein: top cap (24) comprise lid (b), fingerprint touch-sensitive screen (c), travel switch (d), through wires hole (a), be equipped with fingerprint touch-sensitive screen (c) in the middle of lid (b) top is positive, fingerprint touch-sensitive screen (c) inside is equipped with travel switch (d), open one side of lid (b) has one through wires hole (a), top cap (24) and chassis (23) clearance fit.
4. A fingerprint machine as claimed in claim 3, wherein: the fingerprint touch screen (c) consists of a first cover body (c 1) and a second cover body (c 2); the second cover body (c 2) is tightly attached to the cover body (b), the first cover body (c 1) is located right above the second cover body (c 2), and the periphery of the first cover body (c 1) is movably matched with the threading hole (c 3).
5. A fingerprint machine as claimed in claim 3, wherein: travel switch (d) comprises contact plate (d 1), lower raise strip (d 2), electric wire (d 3), inlay in first lid (c 1) positive centre contact plate (d 1), it has an electric wire (d 3) to connect on contact plate (d 1), electric wire (d 3) are connected with the power after passing first lid (c 1), through wires hole (c 3) in proper order, a lower raise strip (d 2) has been placed under contact plate (d 1).
6. A fingerprint machine as claimed in claim 4, wherein: a liquid guide groove (c 5) is arranged on the cover body (b) at the periphery of the second cover body (c 2).
7. A fingerprint machine as claimed in claim 4 or 6, wherein: two intercepting blocks (e) are arranged on the outer corner, away from the lower lifting strip (d 2), of the liquid guide groove (c 5) of the second cover body (c 2).
8. A fingerprint machine as claimed in claim 7, wherein: the corner inlet on the other side of the liquid guide groove (c 5) is an arc chamfer.
9. A fingerprint machine as claimed in claim 5, wherein: the edge of the contact plate (d 1) is wrapped by a layer of rubber ring (c 6).
10. A fingerprint machine as claimed in claim 4 or 5, wherein: the total width of the first cover (c 1) is slightly larger than the width of the second cover (c 2).
CN201910898781.3A 2019-09-23 2019-09-23 Fingerprint machine Withdrawn CN110675520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910898781.3A CN110675520A (en) 2019-09-23 2019-09-23 Fingerprint machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910898781.3A CN110675520A (en) 2019-09-23 2019-09-23 Fingerprint machine

Publications (1)

Publication Number Publication Date
CN110675520A true CN110675520A (en) 2020-01-10

Family

ID=69077210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910898781.3A Withdrawn CN110675520A (en) 2019-09-23 2019-09-23 Fingerprint machine

Country Status (1)

Country Link
CN (1) CN110675520A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05179877A (en) * 1991-12-27 1993-07-20 Nichibei Co Ltd Motor-driven rolling screen
US6234291B1 (en) * 1996-07-19 2001-05-22 Andreas Albertus Maria Koenders Safety device for a workshop machine
CN202563568U (en) * 2012-05-24 2012-11-28 黑龙江科技学院 Smart card-punching recognizer for training room
CN204904370U (en) * 2015-09-06 2015-12-23 黄河科技学院 Manual clean formula fingerprint punched -card machine
CN105788031A (en) * 2014-12-15 2016-07-20 西安星云网络有限公司 Work attendance machine integrated with door control function
CN106127194A (en) * 2016-08-19 2016-11-16 浙江凯拓机电有限公司 A kind of fingerprint collecting device
CN108412323A (en) * 2018-01-22 2018-08-17 苏州地威智能科技有限公司 A kind of Pickproof alarm type smart lock with travel switch
CN108765614A (en) * 2018-05-30 2018-11-06 广东麦贝科技有限公司 A kind of attendance recorder and its method of adjustment of capable freely changing attendance range
CN109075141A (en) * 2018-07-26 2018-12-21 深圳市汇顶科技股份有限公司 Chip-packaging structure, method and terminal device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05179877A (en) * 1991-12-27 1993-07-20 Nichibei Co Ltd Motor-driven rolling screen
US6234291B1 (en) * 1996-07-19 2001-05-22 Andreas Albertus Maria Koenders Safety device for a workshop machine
CN202563568U (en) * 2012-05-24 2012-11-28 黑龙江科技学院 Smart card-punching recognizer for training room
CN105788031A (en) * 2014-12-15 2016-07-20 西安星云网络有限公司 Work attendance machine integrated with door control function
CN204904370U (en) * 2015-09-06 2015-12-23 黄河科技学院 Manual clean formula fingerprint punched -card machine
CN106127194A (en) * 2016-08-19 2016-11-16 浙江凯拓机电有限公司 A kind of fingerprint collecting device
CN108412323A (en) * 2018-01-22 2018-08-17 苏州地威智能科技有限公司 A kind of Pickproof alarm type smart lock with travel switch
CN108765614A (en) * 2018-05-30 2018-11-06 广东麦贝科技有限公司 A kind of attendance recorder and its method of adjustment of capable freely changing attendance range
CN109075141A (en) * 2018-07-26 2018-12-21 深圳市汇顶科技股份有限公司 Chip-packaging structure, method and terminal device

Similar Documents

Publication Publication Date Title
CN106875842B (en) Display screen with fingerprint acquisition function
TWI539384B (en) Image element brightness adjustment
TW201727456A (en) Mobile device with display overlaid with at least a light sensor
CN108922905A (en) A kind of display base plate and preparation method, display panel
CN107451576A (en) A kind of array base palte and preparation method thereof, display panel and display device
CN109740696A (en) A kind of method and apparatus for pressing plate identification
CN107038434A (en) Optical finger print recognizer component, display device and mobile terminal
CN104318198B (en) Recognition methods and device suitable for transformer substation robot inspection
CN110521288A (en) The printed circuit board of ground connection including connector and with different potentials and electronic equipment with the printed circuit board
CN206555794U (en) A kind of intelligent translation desk lamp
CN205485758U (en) Electronic equipment
JP2018512677A (en) Fingerprint sensor having protective film and conductive pattern
CN107232755A (en) Intelligent desk and control method
CN108924316A (en) Shield lower light sensation detection method, device, mobile terminal and computer storage medium
CN110675520A (en) Fingerprint machine
CN106263411A (en) A kind of smart machine external member and smart machine protection set thereof
CN206400961U (en) A kind of display panel and frame-free displaying device
CN205644588U (en) Visual face identification protection device
CN104794466A (en) Living body biological characteristic information optimal image acquisition module and mobile terminal
CN207802102U (en) A kind of two-sided shooting credential reading device
CN208985235U (en) A kind of entrance guard device of student's room entry/exit management
CN208296487U (en) A kind of electronic components processing electronic components drying device
TW202022693A (en) Image capturing device under screen and electronic equipment
CN109101918A (en) Fingerprint recognition structure and preparation method thereof, organic electroluminescent display panel
CN203338326U (en) Optical touch panel device and optical touch panel system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20200110

WW01 Invention patent application withdrawn after publication