CN106778508A - A kind of fingerprint identification method and mobile terminal - Google Patents
A kind of fingerprint identification method and mobile terminal Download PDFInfo
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- CN106778508A CN106778508A CN201611046088.6A CN201611046088A CN106778508A CN 106778508 A CN106778508 A CN 106778508A CN 201611046088 A CN201611046088 A CN 201611046088A CN 106778508 A CN106778508 A CN 106778508A
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- electrode
- fingerprint
- touch screen
- capacitive touch
- electric capacity
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- 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
-
- 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
- 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
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Multimedia (AREA)
- User Interface Of Digital Computer (AREA)
- Telephone Function (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention provides a kind of fingerprint identification method and mobile terminal, and the mobile terminal includes capacitive touch screen, and the capacitive touch screen includes：The first electrode that multiple is extended in a first direction, wherein, the spacing distance between the multiple first electrode is less than first threshold；Multiple second electrodes extended along the second direction vertical with the first direction, wherein, the spacing distance between the multiple second electrode is less than Second Threshold.Methods described includes：The electric capacity that capacitance changes in the electric capacity that the position that the multiple first electrode and the multiple second electrode are intersected is formed is detected, to detect the finger print information on the capacitive touch screen.Fingerprint identification method of the invention can realize recognizing fingerprint on capacitive touch screen that user can realize any direction, arbitrarily angled unlocked by fingerprint in the range of whole touch-screen, substantially increase the convenience of unlocked by fingerprint operation.
Description
Technical field
The present invention relates to living things feature recognition field, more particularly to a kind of fingerprint identification method and mobile terminal.
Background technology
As continuing to develop for electronic technology, the function of mobile terminal (such as mobile phone) are stronger and stronger, either work,
Life or study, people be unable to do without mobile phone.So, be stored with the substantial amounts of privacy of user in mobile phone, and user can select to set
To protect the data security on mobile phone, the pattern that has relatively common at present is unlocked password, password unblock, and unlocked by fingerprint.So
And, for current unlocked by fingerprint technology, all it is identified by special fingerprint module, relatively common at present has preposition finger
Line identification module and rearmounted fingerprint identification module, for rearmounted fingerprint identification module, fingerprint recognition mould when mobile phone is kept flat on desk
Block is not later, easy to operate.For preposition fingerprint identification module, typical way is to be made in Mobile phone screen lower section at present, for just
Normal hand-held operation is not very convenient, while contact area is limited, is difficult to touch sometimes.It can be seen that, fingerprint is known in the prior art
Other mode is made troubles to the operation of user.
The content of the invention
The embodiment of the present invention provides a kind of fingerprint identification method and mobile terminal, to solve fingerprint recognition side in the prior art
The problem that formula is made troubles to the operation of user.
In a first aspect, the embodiment of the invention provides a kind of fingerprint identification method, a mobile terminal, the movement are applied to
Terminal includes capacitive touch screen, and the capacitive touch screen includes：
The first electrode that multiple is extended in a first direction, wherein, the spacing distance between the multiple first electrode is less than
First threshold；
Multiple second electrodes extended along the second direction vertical with the first direction, wherein, the multiple second electricity
Spacing distance between pole is less than Second Threshold；
Methods described includes：
Capacitance is sent out in detecting the electric capacity that the multiple first electrode is formed with the position that the multiple second electrode is intersected
The electric capacity of changing, to detect the finger print information on the capacitive touch screen.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes capacitive touch screen,
The capacitive touch screen includes：
The first electrode that multiple is extended in a first direction, wherein, the spacing distance between the multiple first electrode is less than
First threshold；
Multiple second electrodes extended along the second direction vertical with the first direction, wherein, the multiple second electricity
Spacing distance between pole is less than Second Threshold；
The mobile terminal also includes：
Detection module, for detecting the electricity that the position that the multiple first electrode and the multiple second electrode are intersected is formed
The electric capacity that capacitance changes in appearance, to detect the finger print information on the capacitive touch screen.
In embodiments of the present invention, the mobile terminal includes capacitive touch screen, and the capacitive touch screen includes：It is many
The individual first electrode for extending in a first direction, wherein, the spacing distance between the multiple first electrode is less than first threshold；It is many
The second electrode that the individual edge second direction vertical with the first direction extends, wherein, between the multiple second electrode between
Gauge is from less than Second Threshold.The mobile terminal also includes：Detection module, for detect the multiple first electrode with it is described
The electric capacity that capacitance changes in the electric capacity that the position that multiple second electrodes are intersected is formed, to detect the capacitive touch screen
On finger print information.So, the mobile terminal can realize recognizing fingerprint on capacitive touch screen that user can be whole
Any direction, arbitrarily angled unlocked by fingerprint are realized in the range of touch-screen, the convenience of unlocked by fingerprint operation, lifting is substantially increased
Consumer's Experience, while a fingerprint recognition module can also be saved, improves mobile terminal complete machine structure stability.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to needed for embodiment of the present invention description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of applied environment schematic diagram of fingerprint identification method provided in an embodiment of the present invention；
Fig. 2 is a kind of electrode structure schematic diagram of capacitive touch screen provided in an embodiment of the present invention；
Fig. 3 is the electrode structure schematic diagram of another capacitive touch screen provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of fingerprint identification method that first embodiment of the invention is provided；
Fig. 5 is the flow chart of another fingerprint identification method that second embodiment of the invention is provided；
Fig. 6 is the flow chart of another fingerprint identification method that third embodiment of the invention is provided；
Fig. 7 is a kind of structure chart of mobile terminal that fourth embodiment of the invention is provided；
Fig. 8 is the structure chart of another mobile terminal that fourth embodiment of the invention is provided；
Fig. 9 is the structure chart of another mobile terminal that fourth embodiment of the invention is provided；
Figure 10 is the structure chart of another mobile terminal that fifth embodiment of the invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of applied environment schematic diagram of fingerprint identification method provided in an embodiment of the present invention, described
Fingerprint identification method is run with a mobile terminal, and the mobile terminal includes capacitive touch screen 100 as shown in Figure 1, institute
Stating capacitive touch screen 100 includes multiple first electrodes 101 and multiple second electrodes 102, the multiple first electrode 101 and institute
State and form electric capacity respectively between multiple second electrodes 102, it is described many when user touches on the capacitive touch screen 100
Therefore the capacitance of the electric capacity formed between individual first electrode 101 and the multiple second electrode 102 can change.Referring to figure
2 and Fig. 3, Fig. 2 and Fig. 3 be a kind of capacitive touch screen 100 provided in an embodiment of the present invention electrode structure schematic diagram.Such as Fig. 2
And shown in Fig. 3, (being horizontal direction in Fig. 2 and Fig. 3) extends the multiple first electrode 101 in the first direction, wherein, it is described many
Spacing distance between individual first electrode 101 is less than first threshold.The multiple second electrode 102 (Fig. 2 and figure in a second direction
It is vertical direction in 3) extend, wherein, the spacing distance between the multiple second electrode 102 is less than Second Threshold.Need
It is bright, the first direction.Second direction is simultaneously defined in horizontal direction or vertical direction, can be other arbitrary sides
To, wherein, the first direction is always mutually orthogonal direction with the second direction.In an embodiment of the present invention, institute
State first electrode and be indium tin oxide transparent conductive semiconductor film (ITO) with second electrode and be made.
It should be noted that Fig. 1 to Fig. 3 is the applied environment schematic diagram of each embodiment of the invention, that is to say, that this hair
Bright following examples are implemented based on the applied environment shown in Fig. 1 to Fig. 3.
First embodiment
Referring to Fig. 4, Fig. 4 is a kind of flow chart of fingerprint identification method that first embodiment of the invention is provided, such as Fig. 4 institutes
Show, the fingerprint identification method includes：
In the electric capacity that step 401, the multiple first electrode of detection are formed with the position that the multiple second electrode is intersected
The electric capacity that capacitance changes, to detect the finger print information on the capacitive touch screen.
In the step, the fingerprint identification method detects that the multiple first electrodes on the capacitive touch screen are more with described
Whether the capacitance of the electric capacity that individual second electrode crossover location is formed changes, if the capacitance of a position changes,
Then illustrate that the position may be touched.The fingerprint identification method further detects the capacitance change of the electric capacity, Ran Hougen
Determine the finger print information on the capacitive touch screen according to the capacitance change.
Specifically, the first electrode and the second electrode can form electric capacity in crossover location, the first electrode with
The second electrode respectively constitutes the two poles of the earth of the electric capacity, when the finger of user touches the crossover location, can influence electricity
Hold the coupling between the two poles of the earth, so as to cause local capacitance to reduce.The fingerprint identification method can occur electricity according to described
The position of volume change determines the finger print information on the capacitive touch screen.It is understood that touch when fingerprint ridge position
Putting can give the capacitive touch screen bigger pressure, so that capacitance can reduce more.Therefore, the fingerprint identification method
The finger print information on the capacitive touch screen can be determined with specific reference to the position of capacitance variations and capacitance change.
The capacitance of the electric capacity of the position formation that the multiple first electrode of the detection is intersected with the second electrode is
The no frequency for changing can be less than a predeterminated frequency, so, the mobile terminal can be reduced using relatively low frequency
Power consumption, and because scanning fingerprint is static scanning, though the influence produced to scanning result using relatively low scan frequency also compared with
It is small.
In some embodiments of the invention, whether the electric current that the fingerprint identification method can flow through electric capacity by detection is sent out
Whether changing changes come capacitance in detecting the electric capacity, the position of the electric capacity for then being changed according to electric current and
Current change quantity generates finger print information figure.
In the embodiment of the present invention, above-mentioned mobile terminal can be any mobile terminal for possessing screen, for example：It is mobile phone, flat
Plate computer (Tablet Personal Computer), kneetop computer (Laptop Computer), personal digital assistant
(personal digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID)
Or Wearable device (Wearable Device) etc..
The fingerprint identification method of first embodiment of the invention, the multiple first electrode and institute on detection capacitive touch screen
The electric capacity that capacitance changes in the electric capacity of the position formation for stating multiple second electrodes intersections, to detect the capacitance touch
Finger print information on screen.So, the fingerprint identification method can realize recognizing fingerprint on capacitive touch screen, and user can be with
Any direction, arbitrarily angled unlocked by fingerprint are realized in the range of whole touch-screen, the facility of unlocked by fingerprint operation is substantially increased
Property, Consumer's Experience is lifted, while a fingerprint recognition module can also be saved, improve mobile terminal complete machine structure stability.
Second embodiment
Referring to Fig. 5, Fig. 5 is the flow chart of another fingerprint identification method that second embodiment of the invention is provided, such as Fig. 5 institutes
Show, methods described includes：
Whether step 501, the electric current for flowing through electric capacity by detection change, to detect the multiple first electrode and institute
The electric capacity that capacitance changes in the electric capacity of the position formation for stating multiple second electrodes intersections.
In this embodiment, the fingerprint identification method is detected by the way that whether the electric current that electric capacity is flowed through in detection changes
The electric capacity that capacitance changes in the electric capacity that the multiple first electrode is formed with the position that the multiple second electrode is intersected.
If the fingerprint identification method detects and flows through the electric current of an electric capacity and change, the fingerprint identification method determines the electric capacity
Capacitance change.
Step 502, the position of the electric capacity changed according to electric current and electric current/capacitance change generation finger print information figure
Shape.
In the step, the position of the electric capacity that the fingerprint identification method can change according to electric current and curent change
Amount generation finger print information figure.For example, current change quantity it is larger be probably ridge on fingerprint, the less possibility of current change quantity
It is the gap on fingerprint between ridge.It should be noted that in an embodiment of the present invention, the fingerprint identification method can also root
The position of the electric capacity changed according to electric current and capacitance change generation finger print information figure.For example, capacitance change is larger
Be probably ridge on fingerprint, it is probably gap on fingerprint between ridge that capacitance change is less.So, the fingerprint recognition
Method can go out the concavo-convex place of fingerprint according to the size identification of electric current/capacitance change.
Whether the fingerprint identification method of second embodiment of the invention, the electric current for flowing through electric capacity by detection changes detection
The electric capacity that capacitance changes in the electric capacity that the multiple first electrode is formed with the position that the multiple second electrode is intersected,
The position of the electric capacity changed according to electric current and electric current/capacitance change generation finger print information figure.In such manner, it is possible to realize
Fingerprint is recognized on capacitive touch screen, user can realize any direction, arbitrarily angled fingerprint in the range of whole touch-screen
Unblock, substantially increases the convenience of unlocked by fingerprint operation, lifts Consumer's Experience, while a fingerprint recognition module can also be saved,
Improve mobile terminal complete machine structure stability.
3rd embodiment
Referring to Fig. 6, Fig. 6 is the flow chart of another fingerprint identification method that third embodiment of the invention is provided, such as Fig. 6 institutes
Show, methods described includes：
What the position that multiple first electrodes are intersected with multiple second electrodes on step 601, detection capacitive touch screen was formed
The electric capacity that capacitance changes in electric capacity, to detect the finger print information on the capacitive touch screen.
Step 602, fingerprint on the capacitive touch screen is determined according to the finger print information on the capacitive touch screen
Number.
In the step, the fingerprint identification method can according on the capacitive touch screen discontinuous touch area
Number judges the number of fingerprint on the capacitive touch screen.For example, the fingerprint identification method can be sent out according to the capacitance
Whether the position of the electric capacity that capacitance described in the position judgment of the electric capacity of changing changes is in same continuum,
If being in same continuum, the fingerprint identification method judges that the number of fingerprint on the capacitive touch screen is one
It is individual；If on the contrary, the electric capacity that the capacitance changes is respectively at multiple discontinuous regions, the fingerprint recognition side
Method judges that the fingerprint number on the capacitive touch screen is multiple.
If on step 603, the capacitive touch screen number of fingerprint be one, judge one fingerprint whether with advance
If fingerprint matching.If one fingerprint is matched with the preset fingerprint, step 604 is performed；If on the contrary, one fingerprint
Mismatched with the preset fingerprint, flow terminates.
The preset fingerprint can make the finger print information of mobile terminal described in the advance typing of user, for example, can be by upper
State step 601 and step 602 sets preset fingerprint.The preset fingerprint can be a fingerprint, or multiple fingerprints.With
Family can touch the capacitive touch screen in preset fingerprint described in typing in different angles, to ensure the matter of typing fingerprint
Amount.
Step 604, the control mobile terminal unblock.
By above-mentioned steps 603 and step 604, the fingerprint identification method can judge to touch the capacitive touch
Touch when the fingerprint number on screen is one and start fingerprint matching, if fingerprint number is multiple, do not carry out fingerprint matching.So,
When can be prevented effectively from the hand-held mobile terminal of user, the mobile terminal performs the maloperation of unblock.
Alternatively, the finger print information according on the capacitive touch screen determines fingerprint on the capacitive touch screen
Number, including：
Number according to discontinuous touch area on the capacitive touch screen determines to refer on the capacitive touch screen
The number of line.
The fingerprint identification method that third embodiment of the invention is provided, on detection capacitive touch screen multiple first electrodes with it is many
The electric capacity that capacitance changes in the electric capacity that the position that individual second electrode is intersected is formed, to detect on the capacitive touch screen
Finger print information；The number of fingerprint on the capacitive touch screen is determined according to the finger print information on the capacitive touch screen；
If the number of fingerprint is one on the capacitive touch screen, judge whether one fingerprint matches with preset fingerprint.If institute
State a fingerprint to be matched with the preset fingerprint, control the mobile terminal unblock.In such manner, it is possible to realize in capacitive touch screen
Upper identification fingerprint, user can realize any direction, arbitrarily angled unlocked by fingerprint in the range of whole touch-screen, substantially increase
The convenience of unlocked by fingerprint operation, while maloperation can also be prevented effectively from, lifts Consumer's Experience.
Fourth embodiment
Referring to Fig. 7, Fig. 7 is a kind of structure chart of mobile terminal that fourth embodiment of the invention is provided, the mobile terminal
700 include capacitive touch screen 100 as shown in Figure 1, and the capacitive touch screen 100 includes：
The first electrode 101 that multiple is extended in a first direction, wherein, the spacer between the multiple first electrode 101
From less than first threshold；
Multiple second electrodes 102 extended along the second direction vertical with the first direction, wherein, the multiple second
Spacing distance between electrode 102 is less than Second Threshold；
As shown in fig. 7, shown mobile terminal 700 also includes：
Detection module 701, for detecting the position that the multiple first electrode 101 is intersected with the multiple second electrode 102
The electric capacity that capacitance in the electric capacity to be formed changes is put, to detect the finger print information on the capacitive touch screen 100.
The mobile terminal 700 that fourth embodiment of the invention is provided, can realize recognizing fingerprint on capacitive touch screen, use
Family can realize any direction, arbitrarily angled unlocked by fingerprint in the range of whole touch-screen, substantially increase unlocked by fingerprint operation
Convenience, lift Consumer's Experience, while a fingerprint recognition module can also be saved, improve mobile terminal complete machine structure stability.
Alternatively, whether the detection module 701, the electric current for being flowed through electric capacity by detection is changed, to detect
The electric capacity that capacitance changes in the electric capacity that the multiple first electrode is formed with the position that the multiple second electrode is intersected.
Alternatively, referring to Fig. 8, Fig. 8 is the structure chart of another mobile terminal that fourth embodiment of the invention is provided, and is such as schemed
Shown in 8, the mobile terminal 700 also includes：
Generation module 702, refers to for the position of electric capacity changed according to electric current and electric current/capacitance change generation
Line information graphic.
Alternatively, referring to Fig. 9, Fig. 9 is the structure chart of another mobile terminal that fourth embodiment of the invention is provided, and is such as schemed
Shown in 9, the mobile terminal 700 also includes：
Determining module 703, for determining the capacitive touch screen according to the finger print information on the capacitive touch screen
The number of upper fingerprint；
Judge module 704, if being one for the number of fingerprint on the capacitive touch screen, judges one fingerprint
Whether matched with preset fingerprint；
Control module 705, if being matched with the preset fingerprint for one fingerprint, controls the mobile terminal solution
Lock.
Alternatively, the determining module 703, for according on the capacitive touch screen discontinuous touch area
Number determines the number of fingerprint on the capacitive touch screen.
Mobile terminal 700 can realize each process that mobile terminal is realized in the embodiment of the method for Fig. 4 to Fig. 6, to keep away
Exempt to repeat, will not be repeated here.
5th embodiment
Referring to Figure 10, Figure 10 is the structural representation of another mobile terminal 1 000 that the present invention is provided, as shown in Figure 10,
Mobile terminal 1 000 includes：At least one processor 1001, memory 1002, at least one network interface 1003, user interface
1004 and capacitive touch screen 1006.Each component in mobile terminal 1 000 is coupled by bus system 1005, can
To understand, bus system 1005 is used to realize the connection communication between these components.Bus system 1005 is removed includes data
Outside line, also including power bus, controlling bus and status signal bus in addition.But for the sake of for clear explanation, in Fig. 10 will
Various buses are all designated as bus system 1005.The capacitive touch screen 1006 can realize the identification to user fingerprints, this reality
Apply in example, the capacitive touch screen 1006 can be included such as the electrode structure in Fig. 1~3.
Wherein, user interface 1004 can include display, keyboard or pointing device, such as mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 1002 in the embodiment of the present invention can be volatile memory or non-volatile memories
Device, or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), its use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static random-access
Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous
Connection dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 1002 of system and method described herein be intended to including but not limited to this
The memory of a little and any other suitable type.
In some embodiments, memory 1002 stores following element, can perform module or data structure, or
Person their subset, or their superset：Operating system 10021 and application program 10022.
Wherein, operating system 10021, comprising various system programs, such as ccf layer, core library layer, driving layer etc. are used for
Realize various basic businesses and process hardware based task.Application program 10022, comprising various application programs, such as matchmaker
Body player (Media Player), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented
The program of example method may be embodied in application program 10022.
In embodiments of the present invention, by the program for calling memory 1002 to store or instruction, specifically, can be application
The program stored in program 10022 or instruction, processor 1001 are used for：
Detect the position shape that multiple first electrodes are intersected with the multiple second electrode on the capacitive touch screen 1006
Into electric capacity in the electric capacity that changes of capacitance, to detect the finger print information on the capacitive touch screen 1006.
The method that the embodiments of the present invention are disclosed can apply in processor 1001, or real by processor 1001
It is existing.Processor 1001 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1001 or software form.Above-mentioned
Processor 1001 can be general processor, digital signal processor (Digital Signal Processor, DSP), special
Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to embodiment of the present invention institute
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module may be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 1002, processor 1001 reads the information in memory 1002, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realized for software, can be realized by performing the module (such as process, function etc.) of function described herein herein
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realize processor outside.
Alternatively, the processor 1001 detects the position that the multiple first electrode is intersected with the multiple second electrode
The electric capacity that the capacitance of formation changes, including：
Whether the electric current for flowing through electric capacity by detection changes is detected the multiple first electrode and the multiple second
The electric capacity that capacitance changes in the electric capacity that the position of electrode crossing is formed.
Alternatively, whether the processor 1001 is changed by the electric current that electric capacity is flowed through in detection, described many to detect
After the electric capacity that capacitance changes in the electric capacity that individual first electrode is formed with the position that the multiple second electrode is intersected, also
For：
The position of the electric capacity changed according to electric current and electric current/capacitance change generation finger print information figure.
Alternatively, the processor 1001 detects the position that the multiple first electrode is intersected with the multiple second electrode
The electric capacity that capacitance changes in the electric capacity of formation, after detecting the finger print information on the capacitive touch screen, also to use
In：
The number of fingerprint on the capacitive touch screen is determined according to the finger print information on the capacitive touch screen；
If on the capacitive touch screen number of fingerprint be one, judge one fingerprint whether with preset fingerprint
Match somebody with somebody；
If one fingerprint is matched with the preset fingerprint, the mobile terminal unblock is controlled.
Alternatively, the processor 1001 determines the capacitive touch according to the finger print information on the capacitive touch screen
The number of the upper fingerprint of screen is touched, including：
Number according to discontinuous touch area on the capacitive touch screen determines to refer on the capacitive touch screen
The number of line.
Mobile terminal 1 000 can realize each process of mobile terminal realization in previous embodiment, to avoid repeating, this
In repeat no more.
The mobile terminal 1 000 of the embodiment of the present invention, including capacitive touch screen, the capacitive touch screen include：It is multiple
The first electrode for extending in a first direction, wherein, the spacing distance between the multiple first electrode is less than first threshold；It is multiple
Along the second electrode that the second direction vertical with the first direction extends, wherein, the interval between the multiple second electrode
Distance is less than Second Threshold.The mobile terminal also includes：Detection module, for detecting that the multiple first electrode is more with described
The electric capacity that capacitance changes in the electric capacity that the position that individual second electrode is intersected is formed, to detect on the capacitive touch screen
Finger print information.So, the mobile terminal 1 000 can realize recognizing fingerprint on capacitive touch screen that user can be whole
Any direction, arbitrarily angled unlocked by fingerprint are realized in the range of individual touch-screen, the convenience of unlocked by fingerprint operation is substantially increased, carried
Consumer's Experience is risen, while a fingerprint recognition module can also be saved, mobile terminal complete machine structure stability is improved.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, can be by other
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize embodiment of the present invention scheme
Purpose.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of fingerprint identification method, is applied to a mobile terminal, it is characterised in that the mobile terminal includes capacitance touch
Screen, the capacitive touch screen includes：
The first electrode that multiple is extended in a first direction, wherein, the spacing distance between the multiple first electrode is less than first
Threshold value；
Multiple second electrodes extended along the second direction vertical with the first direction, wherein, the multiple second electrode it
Between spacing distance be less than Second Threshold；
Methods described includes：
Capacitance becomes in detecting the electric capacity that the multiple first electrode is formed with the position that the multiple second electrode is intersected
The electric capacity of change, to detect the finger print information on the capacitive touch screen.
2. the method for claim 1, it is characterised in that the multiple first electrode of detection and the multiple second
The electric capacity that the capacitance that the position of electrode crossing is formed changes, including：
Whether the electric current for flowing through electric capacity by detection changes, to detect the multiple first electrode with the multiple second electricity
The electric capacity that capacitance changes in the electric capacity that the position that pole intersects is formed.
3. method as claimed in claim 2, it is characterised in that whether the electric current for flowing through electric capacity by detection changes
Detect that capacitance in the electric capacity that the position that the multiple first electrode and the multiple second electrode are intersected is formed changes
After electric capacity, methods described also includes：
The position of the electric capacity changed according to electric current and electric current/capacitance change generation finger print information figure.
4. the method for claim 1, it is characterised in that the multiple first electrode of detection and the multiple second
The electric capacity that capacitance changes in the electric capacity that the position of electrode crossing is formed, to detect the fingerprint on the capacitive touch screen
After information, methods described also includes：
The number of fingerprint on the capacitive touch screen is determined according to the finger print information on the capacitive touch screen；
If the number of fingerprint is one on the capacitive touch screen, judge whether one fingerprint matches with preset fingerprint；
If one fingerprint is matched with the preset fingerprint, the mobile terminal unblock is controlled.
5. method as claimed in claim 4, it is characterised in that described true according to the finger print information on the capacitive touch screen
The number of fingerprint on the fixed capacitive touch screen, including：
Number according to discontinuous touch area on the capacitive touch screen determines fingerprint on the capacitive touch screen
Number.
6. a kind of mobile terminal, it is characterised in that the mobile terminal includes capacitive touch screen, the capacitive touch screen bag
Include：
The first electrode that multiple is extended in a first direction, wherein, the spacing distance between the multiple first electrode is less than first
Threshold value；
Multiple second electrodes extended along the second direction vertical with the first direction, wherein, the multiple second electrode it
Between spacing distance be less than Second Threshold；
The mobile terminal also includes：
Detection module, in the electric capacity for detecting the position formation that the multiple first electrode and the multiple second electrode are intersected
The electric capacity that capacitance changes, to detect the finger print information on the capacitive touch screen.
7. mobile terminal as claimed in claim 6, it is characterised in that the detection module, for flowing through electric capacity by detection
Electric current whether change, to detect the electricity that the position that the multiple first electrode and the multiple second electrode intersect is formed
The electric capacity that capacitance changes in appearance.
8. mobile terminal as claimed in claim 7, it is characterised in that the mobile terminal also includes：
Generation module, for the position of electric capacity changed according to electric current and electric current/capacitance change generation finger print information
Figure.
9. mobile terminal as claimed in claim 6, it is characterised in that the mobile terminal also includes：
Determining module, for determining fingerprint on the capacitive touch screen according to the finger print information on the capacitive touch screen
Number；
Judge module, if for fingerprint on the capacitive touch screen number be one, judge one fingerprint whether with
Preset fingerprint is matched；
Control module, if being matched with the preset fingerprint for one fingerprint, controls the mobile terminal unblock.
10. mobile terminal as claimed in claim 9, it is characterised in that the determining module, for according to the capacitive touch
The number for touching the upper discontinuous touch area of screen determines the number of fingerprint on the capacitive touch screen.
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| CN201611046088.6A CN106778508B (en) | 2016-11-22 | 2016-11-22 | A kind of fingerprint identification method and mobile terminal |
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