CN107958174A - Bio-identification module and mobile terminal - Google Patents
Bio-identification module and mobile terminal Download PDFInfo
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- CN107958174A CN107958174A CN201610940110.5A CN201610940110A CN107958174A CN 107958174 A CN107958174 A CN 107958174A CN 201610940110 A CN201610940110 A CN 201610940110A CN 107958174 A CN107958174 A CN 107958174A
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- conduct piece
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- identification module
- sensor
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
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- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of bio-identification module and mobile terminal.The bio-identification module includes：Sensor, for performing biological information sensing；First conduct piece, the neighbouring sensor；Second conduct piece, the neighbouring sensor, and be arranged at intervals with first conduct piece；Intermediary element, is connected with second conduct piece；With the first detection circuit, for providing constant voltage signal to first conduct piece, the first drive signal is provided to the second conduct piece by the intermediary element, and the first sensing signal from the output of the second conduct piece is received, and whether be genuine human body according to the target object that first sensing signal determines to contact first conduct piece and second conduct piece.The mobile terminal includes the bio-identification module.
Description
Technical field
The present invention relates to sensing identification technology field, more particularly to a kind of biology knowledge with the true and false living body functional of identification
Other module and mobile terminal.
Background technology
As bio-identification module (e.g., fingerprint recognition module) is in the popularization of intelligent mobile terminal, bio-identification module
Purposes is also more and more extensive.From the application of initial start unlock, mobile payment till now and the application waited of transferring accounts, biology knowledge
The safety problem of other module is increasingly paid close attention to.For example, if the ability of fingerprint recognition module identification prosthetic finger is very low,
Other people can then be easier to fingerprint recognition module of out-tricking using prosthetic finger, realize the functions such as unlocked by fingerprint, payment, this is for a user
One very big security risk.It is therefore it provides a kind of actually necessary with the electronic equipment for identifying true and false living body functional.Its
In, the organism is, for example, the finger of human body.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of bio-identification mould for having the function of to identify true and false true object
Group and mobile terminal.
To achieve the above object, the present invention provides following technical solution：
A kind of bio-identification module, including：
Sensor, for performing biological information sensing；
First conduct piece, the neighbouring sensor；
Second conduct piece, the neighbouring sensor, and be arranged at intervals with first conduct piece；
Intermediary element, is connected with second conduct piece；With
First detection circuit, for providing constant voltage signal to first conduct piece, is carried by the intermediary element
The second conduct piece is given for the first drive signal, and receives the first sensing signal from the output of the second conduct piece, and according to institute
The first sensing signal is stated to determine to contact whether first conduct piece and the target object of second conduct piece are genuine human body.
Alternatively, the constant voltage signal is ground signalling.
Alternatively, the intermediary element includes any one in sectional pressure element, switch element or combination.
Alternatively, when the intermediary element includes sectional pressure element, the sectional pressure element includes resistance, the resistance series connection
It is connected between second conduct piece and first detection circuit.
Alternatively, second sensing signal is connected the signal of side for the resistance with second conduct piece.
Alternatively, when the target object contacts the first conduct piece and during the second conduct piece, the target object with it is described
Resistance is connected in series.
Alternatively, first detection circuit determines to contact institute according to first drive signal with the first sensing signal
Whether the target object for stating the first conduct piece and second conduct piece is genuine human body.
Alternatively, first detection circuit obtains target object according to first drive signal and the first sensing signal
Complex impedance feature, with determine the target object whether be genuine finger.
Alternatively, the bio-identification module further comprises insulating part, is arranged on the first conduct piece and the second conduct piece
Between.
Alternatively, the insulating part connects first conduct piece and second conduct piece.
Alternatively, first conduct piece and second conduct piece are strip structure, semi-loop, loop configuration, arc
Any one or more in shape structure, bending structure.
Alternatively, whether the target object detected according to first detection circuit is genuine human body, the sensor
Biological information sensing whether is performed to correspond to.
Alternatively, when it is genuine human body that first detection circuit, which detects the target object, the sensor quilt
Triggering performs biological information sensing.
Alternatively, first detection circuit is additionally operable to drive first conduct piece and second conduct piece to perform and touch
Sensing is touched, after first detection circuit detects the first conduct piece or/and second conduct piece is touched, described in driving
First conduct piece and second conduct piece perform true and false human body sensing；Or
The sensor is additionally operable to perform touch-sensing, after the sensor detects the touch of target object, institute
Stating the first detection circuit drives first conduct piece and second conduct piece to perform true and false human body sensing.
Alternatively, when the sensor performs biological information sensing, first detection circuit provides ground connection letter
Number to first conduct piece and second conduct piece.
Alternatively, the bio-identification module includes the first opposite side and the second side, wherein, the first side is used to receive life
Thing characteristic information inputs, and the bio-identification module further comprises flexible circuit board, is arranged on second side, with the biography
Sensor is electrically connected.
Alternatively, the bio-identification module further comprises reinforcing plate, and reinforcing plate is arranged on flexible circuit board back to biography
The side of sensor.
Alternatively, the bio-identification module further comprises cover board, and the cover board is arranged on the first of the sensor
Side.
Alternatively, the bio-identification module is fingerprint recognition module.
Alternatively, first conduct piece and second conduct piece are hollow cyclic structure, and described first is conductive
Part surrounds second conduct piece, and the hollow region that the sensor corresponds to second conduct piece is set.
Alternatively, the insulating part, the first conduct piece and the second conduct piece are engaged to form a hollow enclosed construction
Or cyclic structure, the sensor corresponds to the enclosed construction or the hollow region of cyclic structure is set.
Alternatively, when the region where the finger of user touches the sensor, first conduct piece and/or described
Second conduct piece is touched in the lump by the finger of user.
Alternatively, first conduct piece, the second conduct piece relative to sensor be elevated, with the sensor it
Between form depressed area.
Alternatively, first conduct piece and/or second conduct piece also serve as touch key-press, the first detection electricity
Road is additionally operable to corresponding driving first conduct piece and/or second conduct piece performs touch-sensing.
Alternatively, when intermediary element includes switch element, first detection circuit controls the switch element interval
Property conducting and cut-off.
Alternatively, when the switching elements conductive, first detection circuit provides the by the switch element of conducting
One drive signal gives the second conduct piece；When the switch element ends, first detection circuit receives conductive from second
First sensing signal of part output.
Alternatively, first detection circuit determines directly to contact first conduction according to first sensing signal
Whether the target object of part and the second conduct piece is genuine human body.
Alternatively, first detection circuit determines directly to contact first conduction according to first sensing signal
Whether the target object of part and the second conduct piece is genuine finger.
The present invention also provides a kind of mobile terminal, including the bio-identification module described in above-mentioned middle any one.
Alternatively, the mobile terminal includes shell, and the through hole for leading to mobile terminal outer surface is provided with the shell,
First conduct piece and second conduct piece are arranged on the through hole, to be contacted by target object.
Since the bio-identification module includes first conduct piece and second conduct piece, the first detection electricity
Road provides the first signal to first conduct piece, and secondary signal is provided to the second conduct piece by the intermediary element, and
The 3rd signal from second conduct piece output is received, and determines to contact first conduct piece according to the 3rd signal
Whether the target object with the second conduct piece is genuine human body, therefore, the bio-identification module and with it is described biology know
The security of the mobile terminal of other module can be improved.
Although multiple embodiments are disclosed, including its change, by the way that explanation disclosed by the invention has shown and described
The following detailed description of property embodiment, other embodiment disclosed by the invention will be readily apparent to those skilled in the art.
It can be changed it will be recognized that the present invention discloses at various obvious aspects, essence of all modifications all without departing from the present invention
God and scope.Correspondingly, attached drawing and detailed description should substantially be considered as illustrative and not restrictive.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, feature of the invention and advantage will be apparent.
Fig. 1 is the structure diagram of an embodiment of electronic equipment of the present invention.
Fig. 2 is the structure diagram of an embodiment of the button assembly of electronic equipment shown in Fig. 1.
Fig. 3 is the circuit block diagram of the bio-identification module of button assembly shown in Fig. 2.
Fig. 4 is equivalent circuit diagram when bio-identification module detects true and false finger.
Fig. 5 is the structure diagram of another embodiment of the cyclic structure shown in Fig. 1.
Fig. 6 is the part-structure schematic diagram of another embodiment of electronic equipment shown in Fig. 1.
Fig. 7 is the part-structure schematic diagram of the another embodiment of electronic equipment shown in Fig. 1.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment explain.However, example embodiment can be implemented in a variety of forms, and it is understood not to limit
In embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will fully and completely, and example be implemented
The design of mode is comprehensively communicated to those skilled in the art.It is for convenience or clear, it may exaggerate, omit or schematically show
Go out every layer shown in the accompanying drawings of thickness and size and the quantity for schematically illustrating related elements.In addition, the size of element
Not exclusively reflection actual size, and the quantity of related elements not exclusively reflect actual quantity.Because the originals such as attached drawing is of different sizes
Cause, in different drawings shown same or similar or related elements quantity there is a situation where not consistent.The phase in figure
Same reference numeral represents the same or similar structure of function.So, it is necessary to explanation, in order to enable label have it is regular with
And logicality etc., in some different embodiments, the same or similar element of function or structure employ different reference numerals,
Illustrate that those skilled in the art is can directly or indirectly to judge to learn according to the relevance of technology and related text.
In addition, described feature, structure can be incorporated in one or more embodiments in any suitable manner
In.In the following description, there is provided many details fully understand embodiments of the present invention so as to provide.However,
One of ordinary skill in the art would recognize that without one or more in the specific detail, or using other structures, constituent element
Deng technical scheme can also be put into practice.In other cases, be not shown in detail or describe known features or operation with
Avoid the fuzzy present invention.
Further, following term is exemplary, it is not intended that is limited in any way.Read the application it
Afterwards, it would be recognized by those skilled in the art that the statement of these terms suitable for technology, method, physical component and system (no matter mesh
It is preceding whether to know), including those skilled in the art are inferred to after reading the application or educible its extends.
In the description of the present invention, it is to be understood that：It is " multiple " to include two and two or more, unless the application separately has
It is clearly specific to limit.In addition, the word such as " first " that occurs in each element title and signal name, " second " is not limit
Determine sequencing and the quantity that element or signal occur, but named for convenience of element, clearly distinguish each element so that description
It is more succinct understandable.Further, define the feature of " first ", " second " etc. can express either implicitly include one or
More described features.
Also referring to Fig. 1 to Fig. 4, Fig. 1 is the structure diagram of an embodiment of electronic equipment of the present invention.Fig. 2 is
The part-structure schematic diagram of the button assembly of electronic equipment shown in Fig. 1.Fig. 3 is the bio-identification module of button assembly shown in Fig. 2
Partial circuit block diagram.Fig. 4 is equivalent circuit diagram when bio-identification module detects true and false finger.The electronic equipment 100 is such as
For portable electronic product, household formula electronic product or vehicular electronic product, so, the application is not limited thereto place row
Product, be equally applicable to other suitable products.The portable electronic product is as being mobile terminal, for example, mobile phone, tablet
All kinds of suitable electronic products such as computer, laptop and wearable product；Household formula electronic product is as being intelligent door
All kinds of suitable electronic products such as lock, TV, refrigerator, desktop computer；Vehicular electronic product is as automatic navigator, vehicle-mounted
All kinds of suitable electronic products such as DVD.The electronic equipment 100 includes the first conduct piece 241, the second conduct piece 243, first is examined
Slowdown monitoring circuit 251 and intermediary element 252.Insulation gap is set between first conduct piece 241 and second conduct piece 243.
First detection circuit 251 is connected with first conduct piece 241, conductive with described second by the intermediary element 252
Part 242 connects.First detection circuit 251 is used to provide the first signal to first conduct piece 241, passes through the centre
Element 252 provides secondary signal to the second conduct piece 243, and receives the 3rd letter from second conduct piece 243 output
Number, and according to the 3rd signal determine to contact 241 and second conduct piece 243 of the first conduct piece target object whether be
Genuine organism.The organism is, for example, the finger of human body.
So, the application is not limited thereto, and the organism is alternatively ear, palm, wrist, arm, the toe of human body
Deng any suitable part on body.In addition, in some cases, the organism is also not limited to human body, or
Desired part in other proper animal bodies.
It should be noted that commonly referred to as the model copied according to some part of genuine human body is referred to as prosthese or vacation
Human body.Such as the fingerprint film made of conductive material is a type of prosthese.Below mainly by taking organism is human body as an example
Illustrate.
Since the first detection circuit 251 of the application electronic equipment 100 is according to the 3rd signal can determine that contact
Whether the target object of the first conduct piece 241 and second conduct piece 243 is genuine human body, therefore, the electronic equipment 100
Security performance access raising.
It is preferred that " contact " is the meaning run into or suffered, in this application, the target object refers to directly contact institute
State the object of the first conduct piece 241 and second conduct piece 243.For example, connect surely on finger plaster after fingerprint film, with fingerprint film
Touch first conduct piece 241 and during second conduct piece 243, the technical solution of the application, which can determine that, directly contacts described the
The fingerprint film of one conduct piece 241 and second conduct piece 243 is prosthese.
It is to be oppositely arranged between first conduct piece 241 and second conduct piece 243.So, first conduct piece
241 with the second conduct piece 243 or being disposed adjacent.
In this application, first conduct piece 241 and second conduct piece 243 include conductive materials, can transmit
Electric signal, the conductive materials are, for example, metal material.So, the application is not limited thereto, and the conductive materials are alternatively it
The composite material of its suitable conductive material or conduction.
Further, in each embodiment of the application, first conduct piece 241 and second conduct piece 243
Quantity be respectively 1, so, change ground, in other embodiments, the quantity of first conduct piece 241 is alternatively more
A, the quantity of second conduct piece 243 is alternatively multiple.
First signal is a constant voltage signal, and the secondary signal is the first drive signal, and the 3rd signal is the
One sensing signal.The constant voltage is, for example, ground signalling (GND).Wherein, the ground signalling is generally electronic equipment 100
Equipment or systematically on signal, usually be, for example, 0 volt (V) voltage signal, so, or close to 0V voltage believe
Number, the signal of even other suitable voltage sizes.So, first conduct piece 241 also can receive institute by a resistive element
State ground signalling.
First drive signal is, for example, that square-wave pulse signal, triangular pulse signal, sine wave signal etc. are suitable
Signal.
First detection circuit 251 for example determines to connect according to first sensing signal and first drive signal
Whether the target object for touching 241 and second conduct piece 243 of the first conduct piece is genuine human body.
Specifically, in some embodiments, first detection circuit 251 is for example according to the first sensing signal phase
Determine whether the target object is genuine human body for change of first drive signal in amplitude and/or phase.
In other embodiments, first detection circuit 251 for example according to first sensing signal with it is described
First drive signal obtains electrical property feature, and determines whether the target object is genuine human body according to the electrical property feature.
The electrical property feature is, for example, complex impedance or complex admittance.Complex impedance includes impedance and impedance angle.First detection
Circuit 251 for example knows the first conduct piece 241 of contact and second conduct piece 243 according to the impedance angle or/and the impedance
Whether target object is genuine human body.
Similarly, complex admittance includes admittance and admittance angle.Correspondingly, first detection circuit 251 also can be according to described
Admittance angle or/and the admittance know whether the target object of the first conduct piece 241 of contact and the second conduct piece 243 is genuine people
Body.Due to the inverse that complex admittance is complex impedance, mainly illustrated below with complex impedance.
So, the electrical property feature is not limited to complex impedance, or other suitable electrical property features or described other suitable
Electrical property feature is with reference to the complex impedance.
In other embodiment, first detection circuit 251 also can be according to first sensing signal with prestoring
Signal or range of signal be compared, to determine whether the target object is genuine human body.
The intermediary element 252 includes any one or combination in sectional pressure element, switch element.
When the intermediary element 252 includes sectional pressure element, the sectional pressure element includes resistance, and the resistance is connected in series
Between second conduct piece 243 and first detection circuit 251.Correspondingly, the 3rd signal for the resistance with
Second conduct piece 243 is connected the signal of side.
When the target object contacts first conduct piece 241 with second conduct piece 243, the target object
It is to be connected in series with the resistance.
When the intermediary element 252 includes switch element, first detection circuit 251 is controlled between the switch element
Having a rest property turns on and cut-off.When the switching elements conductive, first detection circuit 251 is provided by the switch element of conducting
Secondary signal gives the second conduct piece 243.When the switch element ends, first detection circuit 251 receives the described 3rd
Signal.
Contact first conduct piece 241 and described second with true finger, true finger fitting fingerprint film, fingerprint film below and lead
Illustrated exemplified by electric these three situations of part 243.
Fig. 4 is referred to, when target object contacts first conduct piece 241 and second conduct piece 243, the mesh
Object, the first conduct piece 241, the second conduct piece 243,252 and first detection circuit 251 of intermediary element is marked to form a circuit and return
Road, wherein, the target object is equivalent to being connected in series between first conduct piece 241 and second conduct piece 243
Circuit element.
Firstly, for above-mentioned the second situation, on finger plaster of taking seriously after fingerprint film, again by fingerprint film contact described the
One conduct piece 241 and second conduct piece 243, are connected in series in first conduct piece 241 and second conduct piece 243
Between circuit element in addition to target object fingerprint film, should also include the true finger.
Relatively, for the first above-mentioned situation, finger of taking seriously directly contacts first conduct piece 241 and described second
During conduct piece 243, the circuit element being connected in series between first conduct piece 241 and second conduct piece 243 is institute
State true finger.
For the third above-mentioned situation, first conduction is directly placed at when fingerprint film is not attached on true finger
When on part 241 and second conduct piece 243, be connected in series in first conduct piece 241 and second conduct piece 243 it
Between circuit element be the fingerprint film.
Since the electrical property feature of true finger, true finger combination fingerprint film, fingerprint film is different, correspondingly, take seriously finger, true hand
When finger is connected between the first conduct piece 241 and the second conduct piece 243 with reference to fingerprint film, fingerprint film, first detection
It is different that circuit 251, which corresponds to the first sensing signal received respectively from the second conduct piece 243, so that, first detection
Circuit 251 determines to contact the target object of 241 and second conduct piece 243 of the first conduct piece according to first sensing signal
Whether it is genuine human body.
The electronic equipment 100 can further comprise insulating part 245.It is conductive that the insulating part 245 is arranged on described first
Between part 241 and second conduct piece 243.The insulating part 245, first conduct piece, 241 and second conduct piece 243
Such as a hollow enclosed construction or cyclic structure 24 is cooperatively formed jointly.The color of the insulating part 245 for example with it is described
The color of first conduct piece 241 and second conduct piece 241 is identical or different.The cyclic structure 24 can be mainly annulus knot
The various suitable structures such as structure, rectangle ring structure, oval hoop.So, ground is changed, the insulating part 245, described first are led
Electric 241 and second conduct piece 243 of part can also cooperatively form other suitable structures jointly, be not limited to hollow closed
Structure or loop configuration 24.Ground is changed, the insulating part 245 can be also omitted in some embodiments.
In the present embodiment, the insulating part 245, first conduct piece 241 and second conduct piece 243 connect
It is connected in one.So, ground is changed, in other embodiments, the insulating part 245, first conduct piece 241 and described
Second conduct piece 243 can be also connected as one.
In the present embodiment, first conduct piece 241 and second conduct piece 243 are semi-loop or nearly half
Ring structure.So, ground is changed, in other embodiments, first conduct piece 241 also may be used with second conduct piece 243
For other suitable structures, such as strip structure, loop configuration, arcuate structure, bending structure etc..
The electronic equipment 100 can further comprise shell (not indicating), and the shell has receiving space, the shell
On be provided with the through hole (not indicating) for leading to 100 outer surface of electronic equipment.First conduct piece 241 and second conduct piece
243 for example expose to the open air in the through hole, to be contacted by the target object.First detection circuit 251 is for example housed in institute
State in receiving space.
The through hole is for example arranged on any one or a few persons in the front, the back side, side of the electronic equipment 100.
The shell is for example including cover sheet 10 and rear shell 30.The cover sheet 10 coordinates jointly with the rear shell 30
The receiving space is formed, with accommodating electric element in the receiving space.With electronic equipment 100 for mobile phone example, the guarantor
Protecting cover plate 10 is generally transparent or translucent dielectric is made, with transmitted ray.The cover sheet 10 is, for example, glass
Cover board.The rear shell 30 is usually non-transparent.So, the application is not limited thereto, different according to the type of electronic equipment 100, institute
The material for stating cover sheet 10 and the rear shell 30 can corresponding selection as needed.
In the present embodiment, the through hole is set on the cover sheet 10.First conduct piece 241 and described the
Two conduct pieces 243 are arranged on the through hole, so that user touches first conduct piece 241 and second conduct piece 243.
In the present embodiment, the cyclic structure 34 is arranged on the through hole, and with cover sheet 10 formed with the through hole
Madial wall between gap it is smaller, so that user contacts or presses first conduct piece 241 and second conduct piece 243
When, first conduct piece 241 and second conduct piece 243 can relatively described cover sheet 10 move.
The electronic equipment 100 includes bio-identification module 21.The bio-identification module 21 is used to confirm contact biology
Whether the target object for identifying module 21 is genuine human body, and when being determined as genuine human body, performs biological information sensing.
The electronic equipment 100 is corresponded to according to the sensing result of the bio-identification module 21 performs corresponding function, such as start unlock,
Pay, transfer accounts, starting corresponding application program (APP) etc., or, carrying out biological information registration, with carry out authentication it
With.The bio-identification module 21 for fingerprint recognition module, blood oxygen as identified that module, heartbeat identify module, Pressure identification module
Any one or the combination of several of them in.
The bio-identification module 21 include first conduct piece 241, the second conduct piece 243, intermediary element 252, absolutely
Edge part 245 and first detection circuit 251, to perform the detection of true and false human body.In addition, the bio-identification module 20 into
One step includes sensor 25.The sensor 25 is, for example, a nude film (Die) or chip (Chip) or chipset (Chipset).
The sensor 25 is used to perform biological information sensing.First conduct piece, 24 and second conduct piece 243 is close or encloses
Set around the sensor 25.In the present embodiment, the cyclic structure 24 is set around the sensor 25.The ring-type
The relatively described sensor 25 of structure 24 is closer to the outer surface of the cover sheet 10.The sensor 25 is from the cyclic structure 24
Hollow region at receive target object biological information input.The sensor 25 is, for example, fingerprint sensor, blood oxygen
Any one or the combination of several of them in sensor, heartbeat sensor, pressure sensor etc..Further, the sensor 25
Any one or a few group for example, in capacitance type sensor, infrared sensor, ultrasonic sensor, optical sensor
Close.Further, the capacitance type sensor is, for example, mutual capacitance type sensor or self-capacitance sensor.
In some embodiments, for example including the first pin (not shown), second pin, (figure is not for the sensor 25
Show) and the 3rd pin (not shown), wherein, first detection circuit 251 is conductive with described first by first pin
Part 241 connects, and first detection circuit 251 passes sequentially through the intermediary element 252 and the second pin and described the
Two conduct pieces 242 connect, and first detection circuit 251 is further connected by the 3rd pin and second conduct piece
Connect.Correspondingly, first detection circuit 251 exports first signal to first conduct piece by first pin
241, the secondary signal is exported to second conduct piece 243 by the intermediary element 252 and the second pin, and
3rd signal is received by the 3rd pin.
The bio-identification module 21 can further comprise flexible circuit board 26 and reinforcing plate 27.The flexible circuit board 26
For being electrically connected the sensor 25 and external circuit, to carry out the transmission of signal between.The external circuit is for example
For the processor (AP or CPU) 40 of electronic equipment 100.The reinforcing plate 27 is fitted in the flexible circuit board 26 back to the biography
The side of sensor 25, is fitted the intensity at place with strengthening flexible circuit board 26 and the sensor 25.
In the present embodiment, the bio-identification module 21 is exposed to the open air in the through hole.For the beauty of electronic equipment,
It is preferred that the bio-identification module 21 further comprises cover board 28, the cover board 28 is arranged on the top of the sensor 25,
That is, described cover board 28 is exposed to the open air in the through hole.Wherein, when the sensor 25 is nude film, the cover board 28 is in face of described
Sensor 25 is further provided with light shield layer；When the chip after the sensor 25 is encapsulation, formed on the sensor 25
There is packaging body.The color of the light shield layer and the packaging body preferably with the light shield layer of the lower section of cover sheet 10 or the face of housing
Color is identical.The cover board 28 is, for example, sapphire cover board, glass cover-plate, ceramic cover plate etc..The cover board 28 can be circular, strip
The various suitable shapes such as shape, square, oval.
Further, the relatively described cover sheet 10 of the cover board 28 is formed as depressed area, to guide described in user's touch
Bio-identification module 21.So, ground is changed, in other embodiments, the cover board 28 can be also omitted.
The sensor 25 includes multiple sensing electrodes and the second detection circuit 257.The bio-identification module 21 can be into
One step includes control circuit 253.The multiple sensing electrode is generally arranged in array, and correspondingly, claims to be arranged in array multiple
Sensing electrode is sensor array 255.So, ground is changed, in other embodiments, the multiple sensing electrode also can be in other
Regular fashion or non-regular arrangement, the present invention is to this and is not particularly limited.Second detection circuit 257 and the biography
Sense array 255, control circuit 253 connect respectively.The control circuit 253 is further connected with first detection circuit 251.
Wherein, second detection circuit 257 is used to provide the second drive signal to the sensor array 255, drives institute
State sensor array 255 and perform biological information sensing, and receive the second sensing signal exported from sensor array 255, with
Biological information is obtained according to the second sensing signal.
During work, when first detection circuit 251 determines the mesh of the first conduct piece 241 of contact and the second conduct piece 243
When mark object is genuine human body, then corresponding command signal is provided to control circuit 253.The control circuit 253 is according to described
Command signal triggers second detection circuit 253 and works, and drives the sensor array 255 to start to perform biology to genuine human body
Characteristic information senses.
When first detection circuit 251 determines that the target object of contact the first conduct piece 241 and the second conduct piece 243 is
During prosthese, then corresponding command signal is not provided to control circuit 253 or provides in addition different command signals to control circuit
253, the control circuit 253 is then corresponding not to be triggered the second detection circuit 257 and works.
So, ground is changed, in other embodiments, first detection circuit 251 also can be with the second detection circuit 257
It is directly connected to, rather than passes through control circuit 253.Correspondingly, first detection circuit 251 can directly control triggering described second
Whether detection circuit 257 drives sensor array 255 to perform biological information sensing.
In the present embodiment, first detection circuit 251, control circuit 253, the second detection circuit 257, cental element
Part 252 and sensor array 255 are integrated in the sensor 25, to improve the integrated level of sensor 25.So, ground is changed,
In other embodiments, first detection circuit 251, control circuit 253, the second detection circuit 257, intermediary element 252,
It may also be arranged on institute's flexible circuit board 26, or be integrated in other chips with one of sensor array 255 or a few persons.
Further, when the sensor 25 performs biological information sensing, first detection circuit 251 can be used
241 and second conduct piece 243 of the first conduct piece is given in providing the ground signalling (GND), it is exterior to sensor with shielding
25 detection interference, improves sensing precision.
Further, first detection circuit 251 is driving 241 and second conduct piece 243 of the first conduct piece
Before the detection for performing true and false human body, it may also be used for provide pulse signal to the first conduct piece 241 and the second conduct piece 243, drive
Dynamic first conduct piece, 241 and second conduct piece 243 performs touch-sensing.When first detection circuit 251 detects institute
State the first conduct piece 241 or/and after the second conduct piece 243 touched, then provide the first drive signal to the first conduct piece 241,
And the first sensing signal of the second conduct piece 243 output is received, to determine the first conduct piece 241 of contact and the second conduct piece
Whether 243 target object is genuine human body.In this way, save the power consumption of electronic equipment 100.
So, with changing, in other embodiments, replaceable first detection circuit 251 of the sensor 25, first are led
Electric 241 and second conduct piece 243 of part performs the touch-sensing, or, 241 and second conduct piece of the first conduct piece
One of 243 or the two coordinate sensor 25 to perform the touch-sensing also possible.That is, described sensor 25 also can use
In first carrying out touch-sensing, detect whether that target object touches the bio-identification module 21.
In addition, by taking electronic equipment 100 is mobile phone as an example, the electronic equipment 100 further comprises display device, and sets
In the lower section of cover sheet 10, to perform image display.The region for defining the correspondence display picture of cover sheet 10 is viewing area, its
Its region is then non-display area.In the present embodiment, the bio-identification module 21 is oppositely arranged with the display device, and
It is arranged on non-display area.So, ground is changed, in other embodiments, the sensor 25 of the bio-identification module 21 also may be used
Corresponding viewing area is set.In addition, the display device can also be further used as touching device, touch-sensing is performed.
The electronic equipment 20 can further comprise button assembly 20.The button assembly 20 includes the bio-identification mould
Group 21 and switch 23.The switch 23 is arranged on the lower section of the bio-identification module 21.The bio-identification module 21 is compared
The switch 23 is adjacent to the cover sheet 10.
The switch 23 is, for example, tact switch.The switch 23 is for example for receiving user's finger in button assembly 20
Any power applied, will represent user's finger press the electric signal of button assembly 20 by the flexible circuit board 26 or it is another not
Same flexible circuit board is transferred to a button circuit (not shown), and can provide touch feedback to user's finger, to point out button
Component 20 is pressed.The button circuit is for example connected with the processor 40.
The electronics such as the sensor 25, the flexible circuit board 26, reinforcer, switch 23, processor 40 and button circuit
Element is housed in the receiving space of the shell.
The electronic equipment 100 may also include other circuits etc. in addition to the above-mentioned element listed.For this area
For technical staff, it is also feasible that the electronic equipment 100, which corresponds to and increases or decreases some elements,.Mainly listed in the application
With inventing relevant element, with the emphasis of prominent invention.
Referring to Fig. 5, Fig. 5 is the structure diagram of another embodiment of cyclic structure 24 shown in Fig. 2.Embodiment party herein
In formula, first conduct piece 241 and second conduct piece 243 are hollow enclosed construction or cyclic structure, wherein,
Second conduct piece 243 is less than the first conduct piece 241, and positioned at the hollow region of first conduct piece 241, insulating part
245 are arranged between first conduct piece 241 and second conduct piece 243.It is preferred that the insulating part 245 also corresponds to
For hollow an enclosed construction or cyclic structure, and it is one to connect first conduct piece 241 with second conduct piece 243
Body.So, the insulating part 245 can also be not limited to hollow enclosed construction or cyclic structure, or other segmenteds
Structure.
Color phase of the color of the insulating part 245 for example with first conduct piece 241 and second conduct piece 241
It is same or different.
Referring to Fig. 6, Fig. 6 is the part-structure schematic diagram of another embodiment of electronic equipment 100 shown in Fig. 1.Herein
In embodiment, the madial wall of the through hole H of the cover sheet 10 extend horizontally away two insulating parts 245.It is preferred that described two is exhausted
Edge part 245 is oppositely arranged.First conduct piece 241 and the second conduct piece 243 are set by two insulating parts, 245 insulation gap.
Two insulating part 245, first conduct piece 241, the second conduct piece 243 cooperatively form a hollow enclosed construction jointly
Or loop configuration.
As it can be seen that in this embodiment, without additionally independently forming insulating part 245 again, so as to save material.
Referring to Fig. 7, Fig. 7 is the part-structure schematic diagram of another embodiment of electronic equipment 100 shown in Fig. 1.It is described
Two strip through-hole H1, H2 are set on cover sheet 10.First conduct piece 241 is housed and exposed with second conduct piece 243
Described through hole H1, H2 are exposed at, to be contacted by target object.
In this embodiment, sensor 25 may be provided at the lower section of cover sheet 10, such as correspond to the cover sheet
Region between two strip through-hole H1, H2 on 10 is set.Correspondingly, cover board 28 can be omitted.
Ground is changed, described two strip through-holes H1, H2 are not restricted to bar shaped, or other suitable shapes, such as
For arc-shaped through-hole etc..
Except the respective embodiments described above the first conduct piece 241 and second conduct piece 243 be oppositely arranged mode it
Outside, first conduct piece 241 and second conduct piece 243 or other various suitable setting sides such as it is disposed adjacent
Formula, the present invention do not limit this particularly, as long as when the target object contact bio-identification module 21 is true and false to perform
During the detection of human body, first conduct piece 241 can be contacted with second conduct piece 243 by the target object.
The bio-identification module 21 is also not limited to be arranged on electronic equipment 100, may also set up on miscellaneous equipment, such as
Mechanical equipment etc..
In other change embodiments, the through hole is for example arranged in the rear shell 30, first conduct piece 241
Exposed to the open air with the second conduct piece 243 in the through hole, the sensor 25 corresponds to the via regions and sets.Described first is conductive
241 and second conduct piece 243 of part is compared to the sensor 25 closer to the outer surface of the rear shell 30.
Corresponded to alternatively, the through hole is arranged on the shell on the side wall of electronic equipment 100, the sensor 25 corresponds to institute
State via regions setting.
Further, the electronic equipment of the prior art usually sets a button groups with fingerprint recognition module in front
Part, lacks entity touch key-press, causes user poor to the usage experience of electronic equipment.
To solve this technical problem, the application proposes：Made using 241 and second conduct piece 243 of the first conduct piece
For touch key-press.First detection circuit 251 is used to drive first conduct piece 241 and second conduct piece 243 to hold
Row touch-sensing.
Since the application is made in the case where not increasing touch electrode using the first conduct piece 241 and the second conduct piece 243
For touch key-press, so that, the user experience of electronic equipment 100 can be improved.
First conduct piece 241 can such as be used separately as similar and different first of function with second conduct piece 243
Touch key-press and the second touch key-press.First touch key-press is in Menu key, navigation key, volume control key, return key etc.
Any one or a few, second touch key-press is any in return key, navigation key, volume control key, return key etc.
It is one or more of.For example, when first touch key-press is return key, second touch key-press is then Menu key；Work as institute
When first touch key-press increases key for volume, second touch key-press then reduces key for volume；When first touch key-press
For to the left or scroll up key when, second touch key-press is corresponded to then to the right or to scroll down through key；When the described first touch
When button is Page Up, when second touch key-press is then Page Down.The application simply illustratively lists herein
The touch key-press of first conduct piece 241 and the second conduct piece 243 as some functions, so, the application is not limited thereto, described
First conduct piece 241 and second conduct piece 243 or the touch key-press of other functions, for example, when taking pictures or imaging,
First conduct piece 241 also respectively as enlargement key (Zoom In) and can reduce key (Zoom with second conduct piece 243
Out) etc..First conduct piece 241 and touch key-press of second conduct piece 243 as which kind of function, manufacturer or user
Can flexibly it be set as needed.
According to function set in advance, when 241 and second conduct piece 243 of the first conduct piece is touched as touch key-press
When touching, the processor 40 corresponds to control electronics 100 and performs corresponding function.
Citing, when browsing webpage, user can accordingly control webpage to carry out upward by touching the first conduct piece 241
Roll.
So, when sensor 25 performs biological information sensing to genuine human body, first detection circuit 251 provides
The ground signalling gives 241 and second conduct piece 243 of the first conduct piece.
In addition, when the bio-identification module 21 is triggered and performs biological information sensing, the first detection electricity
Road 251 also can first drive 241 and second conduct piece 243 of the first conduct piece to perform touch-sensing.After touch is detected, then
241 and second conduct piece 243 of the first conduct piece is driven to perform true and false human body sensing.When definite contact first conduct piece
241 and second target object of conduct piece 243 when being genuine human body, the sensor 25 starts to perform biology to genuine human body special
Reference breath sensing.
For example, when user is paid using wechat and needs to perform biological information sensing, the processor 40, which corresponds to, to be touched
Hair bio-identification module 21 works.Correspondingly, when first detection circuit 251 detect first conduct piece 241 or/and
When second conduct piece 243 is touched by target object, first detection circuit 251 then detects contact first conduct piece
241 and second the target object of conduct piece 243 whether be genuine human body；Relatively, when user carries out web page browsing without holding
When row biological information senses, first detection circuit 251 drives the first conduct piece 241 and the second conduct piece 243 to perform
Touch-sensing, at this time, 241 and second conduct piece 243 of the first conduct piece are used separately as touch key-press, when the first detection circuit
After 251 detect the touch of target object, the processor 40 then corresponds to control electronics according to default touch key-press function and sets
Standby 100 perform corresponding function, such as page turning.
Ground is changed, in other embodiments, one of described first conduct piece, 241 and second conduct piece 243 can
As touch key-press, and it is all feasible that another one, which is then not used as touch key-press,.
As it can be seen that the bio-identification module 21 of the electronic equipment 100 of the application includes the first conduct piece 241 and the of phase separation
Two conduct pieces 243, can not only realize the detection of true and false human body, also can be as the touch key-press of similar and different function.Correspondingly,
The electronic equipment 100 can further lift the usage experience of user.
In addition, for the electronic equipment 100 of the respective embodiments described above, first sensing signal or measurement obtain multiple resistance
It is anti-associated with the pressing dynamics of the target object or/and pressing area.What first sensing signal or measurement obtained answers
Impedance changes with the pressing dynamics of the target object or/and the change of area.
Correspondingly, first detection circuit 251 is in the target to the first conduct piece 241 of contact and the second conduct piece 243
It is accurate for detection when object carries out the detection of true and false human body, such as impedance for complex impedance or/and impedance angle take one section
Average in detection time determines whether the target object is genuine human body.
For the first conduct piece 241 and the second conduct piece 243 of the respective embodiments described above, such as it is all or part of conduction
Material.
Further, considering such as product appearance, such as the ring-type knot for the embodiment shown in Fig. 2 and Fig. 5
Structure 24, in the case where ensureing the sensing precision of true and false human body, can also wrap up insulating layer, example in the outer surface of cyclic structure 24
Such as, insulating tape.So as to which the appearance of cyclic structure 24 is the identical complete structure of a color.
Disclosed despite with reference to each embodiment to describe the present invention, it will be appreciated that these embodiments are illustrative,
And the scope of the present invention is not limited only to them.Many changes, modification, addition and improvement are all possible.More typically and
Speech, disclosed each embodiment describes in the context of specific embodiments according to the present invention.Function can be of the invention public
In each embodiment opened in the process in a different manner separately or in combination, or using different terms describe.These and its
He changes, modification, addition and improve can be as defined in subsequent claims in scope disclosed by the invention.
Claims (28)
1. a kind of bio-identification module, including：
Sensor, for performing biological information sensing；
First conduct piece, the neighbouring sensor；
Second conduct piece, the neighbouring sensor, and be arranged at intervals with first conduct piece；
Intermediary element, is connected with second conduct piece；With
First detection circuit, for providing constant voltage signal to first conduct piece, the is provided by the intermediary element
One drive signal gives the second conduct piece, and receives the first sensing signal from the output of the second conduct piece, and according to described the
One sensing signal determines to contact whether first conduct piece and the target object of second conduct piece are genuine human body.
2. bio-identification module as claimed in claim 1, it is characterised in that：The constant voltage signal is ground signalling.
3. bio-identification module as claimed in claim 1, it is characterised in that：The intermediary element includes sectional pressure element, switch
Any one in element or combination.
4. bio-identification module as claimed in claim 3, it is characterised in that：When the intermediary element includes sectional pressure element,
The sectional pressure element includes resistance, and the resistance is connected in series between second conduct piece and first detection circuit.
5. bio-identification module as claimed in claim 4, it is characterised in that：Second sensing signal is the resistance and institute
The second conduct piece is stated to be connected the signal of side.
6. bio-identification module as claimed in claim 5, it is characterised in that：When the target object contact the first conduct piece with
During the second conduct piece, the target object is connected in series with the resistance.
7. bio-identification module as claimed in claim 1, it is characterised in that：First detection circuit is driven according to described first
Dynamic signal and the first sensing signal come determine to contact the target object of first conduct piece and second conduct piece whether be
Genuine human body.
8. bio-identification module as claimed in claim 7, it is characterised in that：First detection circuit is driven according to described first
Dynamic signal and the first sensing signal obtain the complex impedance feature of target object, to determine whether the target object is genuine hand
Refer to.
9. bio-identification module as claimed in claim 1, it is characterised in that：The bio-identification module further comprises insulating
Part, is arranged between the first conduct piece and the second conduct piece.
10. bio-identification module as claimed in claim 9, it is characterised in that：The insulating part connects first conduct piece
With second conduct piece.
11. bio-identification module as claimed in claim 1, it is characterised in that：First conduct piece and second conduction
Part is any one or more in strip structure, semi-loop, loop configuration, arcuate structure, bending structure.
12. bio-identification module as claimed in claim 1, it is characterised in that：Detected according to first detection circuit
Whether target object is genuine human body, and whether the sensor performs biological information sense to correspond to the target object
Survey.
13. bio-identification module as claimed in claim 12, it is characterised in that：Described in being detected when first detection circuit
When target object is genuine human body, the sensor, which is triggered, performs biological information sensing.
14. bio-identification module as claimed in claim 1, it is characterised in that：First detection circuit is additionally operable to driving institute
State the first conduct piece and second conduct piece performs touch-sensing, when first detection circuit detects the first conduct piece
Or/and after second conduct piece is touched, first conduct piece and second conduct piece is driven to perform true and false people's body-sensing
Survey；Or
The sensor is additionally operable to perform touch-sensing, after the sensor detects the touch of target object, described the
One detection circuit drives first conduct piece and second conduct piece to perform true and false human body sensing.
15. bio-identification module as claimed in claim 1, it is characterised in that：When the sensor performs biological information
During sensing, first detection circuit provides ground signalling to first conduct piece and second conduct piece.
16. the bio-identification module as described in any one in claim 1-15, it is characterised in that：The bio-identification module
Including the first opposite side and the second side, wherein, the first side is used to receive biological information input, the bio-identification module
Further comprise flexible circuit board, be arranged on second side, be electrically connected with the sensor.
17. bio-identification module as claimed in claim 16, it is characterised in that：The bio-identification module further comprises adding
Strong plate, reinforcing plate are arranged on flexible circuit board back to the side of sensor.
18. bio-identification module as claimed in claim 16, it is characterised in that：The bio-identification module further comprises covering
Plate, the cover board are arranged on the first side of the sensor.
19. bio-identification module as claimed in claim 1, it is characterised in that：The bio-identification module is fingerprint recognition mould
Group.
20. the bio-identification module as described in claim 1 or 9, it is characterised in that：First conduct piece and described second is led
Electric part is hollow cyclic structure, and first conduct piece surrounds second conduct piece, and the sensor corresponds to described
The hollow region of two conduct pieces is set.
21. bio-identification module as claimed in claim 9, it is characterised in that：The insulating part, the first conduct piece and second
Conduct piece is engaged to form hollow an enclosed construction or cyclic structure, and the sensor corresponds to the enclosed construction or ring
The hollow region of shape structure is set.
22. bio-identification module as claimed in claim 1, it is characterised in that：When the finger of user touches the sensor institute
Region when, first conduct piece and/or second conduct piece are touched in the lump by the finger of user.
23. bio-identification module as claimed in claim 1, it is characterised in that：First conduct piece, the second conduct piece are opposite
It is elevated in sensor, depressed area is formed between the sensor.
24. bio-identification module as claimed in claim 1, it is characterised in that：First conduct piece and/or described second lead
Electric part also serves as touch key-press, and first detection circuit is additionally operable to corresponding driving first conduct piece and/or described second
Conduct piece performs touch-sensing.
25. bio-identification module as claimed in claim 4, it is characterised in that：It is described when intermediary element includes switch element
First detection circuit controls the switch element intermittent conduction and cut-off.
26. bio-identification module as claimed in claim 25, it is characterised in that：When the switching elements conductive, described
One detection circuit provides the first drive signal to the second conduct piece by the switch element of conducting；When the switch element ends
When, first detection circuit receives the first sensing signal from the output of the second conduct piece.
27. bio-identification module as claimed in claim 1, it is characterised in that：First detection circuit is according to described first
Whether sensing signal is genuine human body come the target object for determining directly to contact first conduct piece and the second conduct piece.
28. a kind of mobile terminal, including the bio-identification module in claim 1 to 27 described in any one, wherein, the shifting
Dynamic terminal further comprises shell, and the through hole for leading to mobile terminal outer surface, first conduct piece are provided with the shell
The through hole is arranged on second conduct piece, to be contacted by target object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940110.5A CN107958174A (en) | 2016-11-01 | 2016-11-01 | Bio-identification module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940110.5A CN107958174A (en) | 2016-11-01 | 2016-11-01 | Bio-identification module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107958174A true CN107958174A (en) | 2018-04-24 |
Family
ID=61954350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610940110.5A Pending CN107958174A (en) | 2016-11-01 | 2016-11-01 | Bio-identification module and mobile terminal |
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