CN106445266A - Fingerprint identification assembly of protective screen of glass window of mobile phone and method for manufacturing fingerprint identification assembly - Google Patents
Fingerprint identification assembly of protective screen of glass window of mobile phone and method for manufacturing fingerprint identification assembly Download PDFInfo
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- CN106445266A CN106445266A CN201610959142.XA CN201610959142A CN106445266A CN 106445266 A CN106445266 A CN 106445266A CN 201610959142 A CN201610959142 A CN 201610959142A CN 106445266 A CN106445266 A CN 106445266A
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- mobile phone
- fingerprint recognition
- fingerprint
- fingerprint identification
- thin film
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a fingerprint identification assembly of a protective screen of a glass window of a mobile phone and a method for manufacturing the fingerprint identification assembly, and belongs to the technical field of information safety. The fingerprint identification assembly of the protective screen of the glass window of the mobile phone comprises a fingerprint identification chip, a flexible circuit board and a scratch-resistant thin film. The fingerprint identification chip comprises a fingerprint identification unit, a fingerprint touch sensor and a printed circuit hard board. The fingerprint identification assembly and the method have the advantages that the fingerprint identification assembly is additionally arranged on the mobile phone, so that the mobile phone use authentication safety and privacy can be enhanced; unlocking operation can be simplified by fingerprint identification functions, and accordingly the problem of mobile phone locking due to repeated input can be solved; the scratch-resistant thin film is arranged on the fingerprint identification assembly, and accordingly the problem of deterioration of identification capacity due to scratching of keys in long-term use procedures can be solved.
Description
Technical field
The invention belongs to field of information security technology is and in particular to a kind of mobile phone glass form protecting screen fingerprint recognition
Assembly and preparation method thereof.
Background technology
With mobile terminal intellectuality, universalness, the function that the mobile terminal of public use possesses is increasingly abundanter many
Coloured silk, mobile learning, Mobile solution arise at the historic moment.Then popular when apply using various mobile terminals, many application programs need
The identity of holder is determined, now only to only rely on numerical ciphers and gesture encryption can not meet market need
Will, and there is the leak that can bypass.If lost mobile phone or stolen, it is likely to cause bigger loss.
Fingerprint recognition module because there is safe consistency, stablizing the characteristics such as uniqueness, the convenient and swift property of mobile payment,
Increasingly wider application is obtained on the products such as smartpone, ipad, laptop, computer, car, refers to from 2014-2015
Line identification module configures from the point of view of mobile phone, and fingerprint recognition module is in booming state.
Fingerprint collecting machine hardly possesses communication capacity, is gathering substantial amounts of fingerprint, can only be first stored in storage card, so
Carry out unified arrangement more afterwards, waste time and energy.Development with wireless communication technology and smart mobile phone is so that the process of mobile phone is fast
Degree is increasingly faster, the compatibility of operating system and programmability more and more higher；Wireless communication technology, especially near-field communication technology
Make transfer rate more and more faster, everything is all to solve the above problems to provide resolving ideas.
With the development of electronic technology, in order to improve security, terminal (as mobile phone, panel computer etc.) has been generally integrated finger
The function of line identification, can be unlocked to terminal by fingerprint recognition, start in application program or execution application program
Some functions.By fingerprint recognition, the terminal of lock-out state can be unlocked such as in terminal standby, or start eventually
The application programs such as the wechat in end, QQ or by fingerprint recognition complete fingerprint pay etc. application.
Currently, the mobile phone that people are used is usually free of cell-phone lock or the cell-phone lock with setting password, for front
Person, the personal secrets protection to user is at a fairly low, once losing, the privacy of user is easily known by people；For the latter, beat every time
Drive mobile phone to be required for inputting password, input by mistake and also need to re-enter, or even multiple input can lead to phone lock, what is more for a long time
Situations such as do not forgotten using password is also happened occasionally, quite inconvenience.
Content of the invention
The present invention solves and is inputted password and led to phone lock and button serious wear to lead to fingerprint to be known due to multiple
Not difficult problem, and a kind of mobile phone glass form protecting screen fingerprint recognition assembly and preparation method thereof is provided.
A kind of mobile phone glass form protecting screen fingerprint recognition assembly of the present invention includes fingerprint recognition chip, becket, soft
Property circuit board and anti-scraping thin film；
Described fingerprint recognition chip includes fingerprint identification unit, finger touch sensor and printed circuit hardboard；
Described fingerprint identification unit includes finger print acquisition module, fingerprint storage module, Fingerprint Processing Module and fingerprint matching module；
Described fingerprint identification unit is arranged on finger touch sensor；
Described finger touch sensor is arranged at the surface of printed circuit hardboard；
Described metal ring is located at outside fingerprint recognition chip；
Described anti-scraping thin film covers described fingerprint recognition chip.
A kind of preparation method of mobile phone glass form protecting screen fingerprint recognition assembly of the present invention is carried out according to the following steps：
First, connect finger touch sensor on the surface of printed circuit hardboard；
2nd, connect fingerprint identification unit on finger touch sensor, obtain fingerprint recognition chip；
3rd, in the outer sheathed becket of fingerprint recognition chip；
4th, in one layer of anti-scraping thin film of the surface of fingerprint recognition chip laminating；
5th, fingerprint recognition chip and flexible PCB are realized electrical connection, obtain a kind of mobile phone glass form protecting screen fingerprint and know
Other assembly.
Beneficial effects of the present invention：
The fingerprint recognition assembly of the present invention is added on mobile phone, enhances security and the privacy that mobile phone uses certification.
Fingerprint identification function simplifies unblock operation, it is to avoid repeatedly input can lead to phone lock problem.
Anti- scraping thin film on the fingerprint recognition assembly of the present invention, decreases and during long-time use, button is drawn
The recognition capability hindered and lead to declines problem.
Brief description
Fig. 1 is the structural representation of the mobile phone glass form protecting screen fingerprint recognition assembly of the present invention；Wherein 1 knows for fingerprint
Other chip, 2 be fingerprint identification unit, 3 be finger touch sensor, 4 be becket, 5 be printed circuit hardboard, 6 be flexible electrical
Road plate, 7 be anti-scraping thin film；
Fig. 2 is the structural representation of fingerprint recognition chip；Wherein 2 is fingerprint identification unit, 3 is finger touch sensor, 5 is print
Brush circuit hardboard；
Fig. 3 is the structural representation of circular anti-scraping thin film.
Specific embodiment
Specific embodiment one, a kind of mobile phone glass form protecting screen fingerprint recognition assembly of present embodiment include fingerprint recognition
Chip 1, becket 4, flexible PCB 6 and anti-scraping thin film 7；
Described fingerprint recognition chip 1 includes fingerprint identification unit 2, finger touch sensor 3 and printed circuit hardboard 5；
Described fingerprint identification unit 2 includes finger print acquisition module, fingerprint storage module, Fingerprint Processing Module and fingerprint matching mould
Block；
Described fingerprint identification unit 2 is arranged on finger touch sensor 3；
Described finger touch sensor 3 is arranged at the surface of printed circuit hardboard 5；
Described becket 4 is set in outside fingerprint recognition chip 1；
Described anti-scraping thin film 7 covers described fingerprint recognition chip 1.
The fingerprint recognition assembly of present embodiment is added on mobile phone, enhances security and the privacy that mobile phone uses certification
Property.
Fingerprint identification function simplifies unblock operation, it is to avoid repeatedly input can lead to phone lock problem.
Anti- scraping thin film on the fingerprint recognition assembly of present embodiment, decreases during long-time use to button
Scuffing and the recognition capability that leads to declines problem.
Specific embodiment two：Present embodiment from unlike specific embodiment one：Outside described fingerprint recognition chip 1
Sealing is filled in gap between side and described becket 4 inner side.Other steps and parameter are identical with specific embodiment one.
Specific embodiment three：Present embodiment from unlike specific embodiment one or two：Described finger touch passes
Sensor 3 is capacitive touch sensors, and specially type polar distance variable capacitance sensor, capacitor sensor with changed area and change dielectric are normal
One of number type capacitance sensor.Other steps and parameter are identical with specific embodiment one or two.
Specific embodiment four：Unlike one of present embodiment and specific embodiment one to three：Described becket 4
For stainless steel ring.One of other steps and parameter and specific embodiment one to three are identical.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：Described fingerprint is known
Other chip 1 is electrically connected with described flexible PCB 6.One of other steps and parameter and specific embodiment one to four are identical.
Specific embodiment six：Unlike one of present embodiment and specific embodiment one to five：Described fingerprint is known
Other chip 1 is connected by SMT tin cream with described flexible PCB 6.Other steps and parameter and specific embodiment one to five it
One is identical.
Specific embodiment seven：Unlike one of present embodiment and specific embodiment one to six：Described scratch resistant thin
Film 7 film that the material for 9H is prepared from by Mohs' hardness.One of other steps and parameter and specific embodiment one to six
Identical.
Specific embodiment eight：Unlike one of present embodiment and specific embodiment one to seven：Described scratch resistant thin
Film 7 is the film or sapphire thin film being prepared from by aluminum oxide or carborundum.Other steps and parameter and specific embodiment
One of one to seven is identical.
Specific embodiment nine：Unlike one of present embodiment and specific embodiment one to eight：Described scratch resistant thin
The thickness of film 7 is 10 μm -20 μm.One of other steps and parameter and specific embodiment one to eight are identical.
Specific embodiment ten：A kind of method measuring groove depth with groove depth measurement apparatus of present embodiment is according to the following steps
Carry out：
First, connect finger touch sensor 3 on the surface of printed circuit hardboard 5；
2nd, connect fingerprint identification unit 2 on finger touch sensor 3, obtain fingerprint recognition chip 1；
3rd, in the outer sheathed becket 4 of fingerprint recognition chip 1；
4th, in one layer of anti-scraping thin film 7 of the surface of fingerprint recognition chip 1 laminating；
5th, fingerprint recognition chip 1 and flexible PCB 6 are realized electrically connecting, obtain a kind of mobile phone glass form protecting screen fingerprint
Recognizer component.
Further, described fingerprint identification unit 2 includes finger print acquisition module, fingerprint storage module, Fingerprint Processing Module
And fingerprint matching module.
Further, described finger touch sensor 3 is capacitive touch sensors, specially type polar distance variable capacitance sensing
One of device, capacitor sensor with changed area and dielectric constant variable type capacitance sensor.
Further, fill sealing in the gap between described fingerprint recognition chip 1 outside and described becket 4 inner side.
Further, described becket 4 is stainless steel ring.
Further, described fingerprint recognition chip 1 is electrically connected with described flexible PCB 6.
Further, described fingerprint recognition chip 1 is connected by SMT tin cream with described flexible PCB 6.
Further, described anti-scraping thin film 7 film that the material for 9H is prepared from by Mohs' hardness.
Further, described anti-scraping thin film 7 is the film or sapphire thin film being prepared from by aluminum oxide or carborundum.
Further, the thickness of described anti-scraping thin film 7 is 10 μm -20 μm.
Verify the effect of the present invention with tests below
Test one,（In conjunction with Fig. 1 ~ 3）A kind of mobile phone glass form protecting screen fingerprint recognition assembly of this test includes fingerprint recognition
Chip 1, becket 4, flexible PCB 6 and anti-scraping thin film 7；
Described fingerprint recognition chip 1 includes fingerprint identification unit 2, finger touch sensor 3 and printed circuit hardboard 5；
Described fingerprint identification unit 2 includes finger print acquisition module, fingerprint storage module, Fingerprint Processing Module and fingerprint matching mould
Block；
Described fingerprint identification unit 2 is arranged on finger touch sensor 3；
Described finger touch sensor 3 is arranged at the surface of printed circuit hardboard 5；
Described becket 4 is set in outside fingerprint recognition chip 1；
Described anti-scraping thin film 7 covers described fingerprint recognition chip 1.
Described finger touch sensor 3 is type polar distance variable capacitance sensor.
Sealing is filled in gap between described fingerprint recognition chip 1 outside and described becket 4 inner side.
Described becket 4 is stainless steel ring.
Described fingerprint recognition chip 1 is connected by SMT tin cream with described flexible PCB 6.
Described anti-scraping thin film 7 is sapphire thin film.
The thickness of described sapphire thin film is 20 μm.
Described sapphire thin film is covered in fingerprint recognition chip 1 by press moulding mode.
In this test, described fingerprint identification unit 2 includes finger print acquisition module, fingerprint storage module, finger prints processing mould
Block and fingerprint matching module；
Specifically, the operation principle of described fingerprint identification unit 2：
After mobile phone receives fingerprint collecting instruction, the camera of terminal is called to obtain the collection image including fingerprint image；
Extract described fingerprint image from described collection image, and pre- place is carried out to described fingerprint image by Fingerprint Processing Module
Reason, subsequently into fingerprint matching module, obtains fingerprint contrast images；
Determine whether described fingerprint contrast images are mated with preset fingerprint image；
If described fingerprint contrast images and described preset fingerprint images match, according to the default operation of pre-conditioned execution.
Specifically, after described reception fingerprint collecting instruction, the camera of terminal is called to obtain the collection including fingerprint image
Before image, the step of the described preset fingerprint image of acquisition, specifically include：
After receiving fingerprint collecting instruction, the camera of terminal is called to obtain the original image including described fingerprint image；
Extract described fingerprint image from described original image, and the described fingerprint image extracting from original image is carried out pre-
Process, obtain preset fingerprint image；
Described preset fingerprint image is saved in fingerprint storage module.
Specifically, by described preset fingerprint image preserve in a storage module, including：
Described preset fingerprint image is encrypted,
Preset fingerprint image after encryption is saved in fingerprint storage module.
Specifically, judge whether described fingerprint contrast images are mated with preset fingerprint image；Including：
Preset fingerprint image after the encryption being saved in fingerprint storage module is decrypted；
Fingerprint contrast images are compared with the preset fingerprint image after described deciphering, determine described comparison fingerprint image and institute
State whether preset fingerprint image mates.
In this test, described fingerprint identification unit 2 is communicated with mobile phone by way of serial ports or parallel port, works as user
Send instruction to mobile phone, mobile phone will send order it is desirable to obtain fingerprint characteristic value to Fingerprint Processing Module, and Fingerprint Processing Module opens
Dynamic finger print acquisition module carries out fingerprint collecting, and finger print acquisition module returns to Fingerprint Processing Module after fingerprint is detected, at fingerprint
Reason module the fingerprint collecting is pre-processed and characteristics extraction after return to mobile phone, mobile phone again pass through fingerprint matching module
This information and pre-stored fingerprint value are carried out mating contrast.
The recognition methods of this fingerprint is carried in mobile phone, prevents hand-set from stolen or loss.
For example can in the boot program of mobile phone or some key procedures call before add one section require fingerprint recognition
Code, accordingly even when mobile phone is lost or stolen, other people also have no idea to use mobile phone, and the pre-stored fingerprint of contrast can be in purchase
During bull's machine, in FLASH, mobile phone sends order request to fingerprint identification unit and compares fingerprint, and fingerprint identification unit starts for burning
Finger print acquisition module carries out fingerprint collecting, and finger print acquisition module returns to Fingerprint Processing Module after fingerprint is detected, sets in mobile phone
There is a fingerprint matching module for comparing fingerprint, the fingerprint detecting is pre-processed and characteristic value by Fingerprint Processing Module
Extract, be then transferred to the fingerprint matching module in mobile phone, fingerprint matching module is by the finger reading from Fingerprint Processing Module
Pre-stored fingerprint in line and mobile phone is contrasted, if contrast is by carrying out next step program, without by then returning.
In this test, fingerprint recognition circuit unit 2 is mainly used in identifying finger print information, and is fed back to finger touch
In sensor 3.Fingerprint identification unit 2 and finger touch sensor 3 can be coupled by active Capacitance Coupled, electromagnetic mode,
Optical sensing, infrared sensing or other modes read finger print information.
Specifically, described stainless steel ring 4 is located at the gap between fingerprint recognition chip 1 outside and described becket 4 inner side
Interior filling sealing.Periphery.Increase the work that stainless steel ring 4 one aspect can play antistatic in the surrounding of fingerprint recognition chip 1
With on the other hand can also improve the stability maintenance of fingerprint identification unit 2 additionally it is possible to play increases effect attractive in appearance.
When carrying out fingerprint recognition, when finger conforms to the home key of mobile phone, you can by fingerprint identification unit 2 and fingerprint
Touch sensor 3 carries out fingerprint recognition.Fingerprint identification unit 2 and finger touch sensor 3 are with by active Capacitance Coupled, electricity
Magnetic mode couples, optical sensing, infrared sensing or other modes read finger print information.
In this test, described sapphire thin film is used for improving hardness, realizes fingerprint recognition chip is preferably protected.Should
Film material hardness is higher, and described sapphire thin film belongs to a part for fingerprint recognition chip, is not easily broken, and can be good at
Protective effect.Described sapphire thin film, on the premise of not sacrificing hardness and shielding, has relatively thin thickness, energy
Enough increase the sensitivity of fingerprint recognition, improve Consumer's Experience sense.
Specifically, the vertical view face of sapphire thin film can be circular, oval or square.
In this test, the vertical view face of sapphire thin film is circle.
Claims (10)
1. a kind of mobile phone glass form protecting screen fingerprint recognition assembly is it is characterised in that a kind of mobile phone glass form protecting screen fingerprint
Recognizer component includes fingerprint recognition chip（1）, becket（4）, flexible PCB（6）With anti-scraping thin film（7）；
Described fingerprint recognition chip（1）Including fingerprint identification unit（2）, finger touch sensor（3）With printed circuit hardboard
（5）；
Described fingerprint identification unit（2）Including finger print acquisition module, fingerprint storage module, Fingerprint Processing Module and fingerprint matching mould
Block；
Described fingerprint identification unit（2）It is arranged at finger touch sensor（3）On；
Described finger touch sensor（3）It is arranged at printed circuit hardboard（5）Surface；
Described becket（4）It is set in fingerprint recognition chip（1）Outside；
Described anti-scraping thin film（7）Cover described fingerprint recognition chip（1）.
2. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described finger
Line identification chip（1）Outside and described becket（4）Sealing is filled in gap between inner side.
3. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described finger
Line touch sensor（3）For capacitive touch sensors, specially type polar distance variable capacitance sensor, capacitor sensor with changed area
One of with dielectric constant variable type capacitance sensor.
4. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described gold
Belong to ring（4）For stainless steel ring.
5. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described finger
Line identification chip（1）With described flexible PCB（6）Electrical connection.
6. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described finger
Line identification chip（1）With described flexible PCB（6）Connected by SMT tin cream.
7. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described prevent
Scraping thin film（7）The film being prepared from by the material for 9H for the Mohs' hardness.
8. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described prevent
Scraping thin film（7）It is the film or sapphire thin film being prepared from by aluminum oxide or carborundum.
9. a kind of mobile phone glass form protecting screen fingerprint recognition assembly according to claim 1 is it is characterised in that described prevent
Scraping thin film（7）Thickness be 10 μm -20 μm.
10. preparation a kind of method of mobile phone glass form protecting screen fingerprint recognition assembly as claimed in claim 1, its feature exists
Carry out according to the following steps in a kind of preparation method of mobile phone glass form protecting screen fingerprint recognition assembly：
First, in printed circuit hardboard（5）Surface connect finger touch sensor（3）；
2nd, in finger touch sensor（3）Upper connection fingerprint identification unit（2）, obtain fingerprint recognition chip（1）；
3rd, in fingerprint recognition chip（1）Sheathed becket outward（4）；
4th, in fingerprint recognition chip（1）Surface fit one layer of anti-scraping thin film（7）；
5th, by fingerprint recognition chip（1）And flexible PCB（6）Realize electrical connection, obtain a kind of mobile phone glass form protecting screen
Fingerprint recognition assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959142.XA CN106445266A (en) | 2016-10-27 | 2016-10-27 | Fingerprint identification assembly of protective screen of glass window of mobile phone and method for manufacturing fingerprint identification assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959142.XA CN106445266A (en) | 2016-10-27 | 2016-10-27 | Fingerprint identification assembly of protective screen of glass window of mobile phone and method for manufacturing fingerprint identification assembly |
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| Publication Number | Publication Date |
|---|---|
| CN106445266A true CN106445266A (en) | 2017-02-22 |
Family
ID=58180289
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610959142.XA Pending CN106445266A (en) | 2016-10-27 | 2016-10-27 | Fingerprint identification assembly of protective screen of glass window of mobile phone and method for manufacturing fingerprint identification assembly |
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| CN109766132A (en) * | 2018-12-27 | 2019-05-17 | 上海乐今通信技术有限公司 | A kind of unlocked by fingerprint speed-optimization device and recognition methods and smart machine |
| TWI661347B (en) * | 2018-06-21 | 2019-06-01 | 大陸商業成科技（成都）有限公司 | Touch module |
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