CN104951159B - Touch key-press and fingerprint identification method - Google Patents

Touch key-press and fingerprint identification method Download PDF

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Publication number
CN104951159B
CN104951159B CN201510320914.0A CN201510320914A CN104951159B CN 104951159 B CN104951159 B CN 104951159B CN 201510320914 A CN201510320914 A CN 201510320914A CN 104951159 B CN104951159 B CN 104951159B
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China
Prior art keywords
pressure
sensor
value
control unit
fingerprint identification
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CN201510320914.0A
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Chinese (zh)
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CN104951159A (en
Inventor
杨坤
江忠胜
熊涛
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小米科技有限责任公司
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Priority to CN201510320914.0A priority Critical patent/CN104951159B/en
Publication of CN104951159A publication Critical patent/CN104951159A/en
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Publication of CN104951159B publication Critical patent/CN104951159B/en

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Abstract

The disclosure belongs to technical field of touch control about a kind of touch key-press and fingerprint identification method.The touch key-press includes:Fingerprint Identification sensor and pressure sensor are arranged in the lower section of transparent cover plate in the horizontal direction, and fingerprint Identification sensor and pressure sensor are also electrical connected with control unit respectively;When control unit determines that the collected pressure value for acting on the operation on transparent cover plate of pressure sensor is more than predetermined pressure threshold, fingerprint Identification sensor is in running order under the control of the control unit;When control unit determines that the pressure value of the collected operation acted on transparent cover plate of pressure sensor is less than predetermined pressure threshold, fingerprint Identification sensor is under the control of the control unit in a dormant state.The disclosure had both solved the problems, such as the trepanning on transparent cover plate, has achieved the effect that the intensity for improving transparent cover plate, has also solved the problems, such as that fingerprint Identification sensor is continuously in working condition and results in waste of resources, and had achieved the effect that save resource.

Description

Touch key-press and fingerprint identification method

Technical field

This disclosure relates to technical field of touch control, more particularly to a kind of touch key-press and fingerprint identification method.

Background technology

The fingerprint Identification sensor being arranged in terminal can be acquired the fingerprint of user, and terminal is according to collected finger Line carries out authentication to user, to improve the safety of terminal.

Usually fingerprint Identification sensor is arranged in touch key-press, touch key-press includes at this time:It is arranged in PCB Physical button on (Printed Circuit Board, printed circuit board) plate is known with the fingerprint being suspended in above physical button Individual sensor, which is located in the trepanning of cover-plate glass, when user touches fingerprint Identification sensor, will use The operation at family is identified as fingerprint collecting;When user's pressing fingerprint Identification sensor, and it is certain to control fingerprint Identification sensor movement Stroke and when being pressed into physical button, the operation of user is identified as fingerprint collecting and pressing physical button.

Invention content

Present disclose provides a kind of touch key-press and fingerprint identification methods.

According to the first aspect of the embodiments of the present disclosure, a kind of touch key-press is provided, the touch key-press includes:

Fingerprint Identification sensor, pressure sensor and control unit;

The fingerprint Identification sensor and the pressure sensor are arranged in the lower section of transparent cover plate in the horizontal direction, described Fingerprint Identification sensor and the pressure sensor are also electrical connected with described control unit respectively;

Operation on the transparent cover plate is acted on when described control unit determines that the pressure sensor is collected When pressure value is more than predetermined pressure threshold, the fingerprint Identification sensor is in work shape under the control of described control unit State;

Operation on the transparent cover plate is acted on when described control unit determines that the pressure sensor is collected When pressure value is less than the predetermined pressure threshold, the fingerprint Identification sensor is under the control of described control unit in not Dormancy state.

Optionally, the distance between the fingerprint Identification sensor and the pressure sensor are less than the first distance threshold.

Optionally, the touch key-press further includes:It is electrical connected with described control unit and positioned at the transparent cover plate The touch recognition unit of lower section, the distance between the touch recognition unit and the pressure sensor are less than second distance threshold Value;

Operation on the transparent cover plate is acted on when described control unit determines that the pressure sensor is collected Pressure value is more than the predetermined pressure threshold, and described control unit determines that the touch recognition unit collects the operation When capacitance is more than predetermined capacitance threshold value, the fingerprint Identification sensor is in work shape under the control of described control unit State;

Operation on the transparent cover plate is acted on when described control unit determines that the pressure sensor is collected Pressure value is less than the predetermined pressure threshold, or, described control unit determines that the touch recognition unit collects the behaviour The capacitance of work is less than predetermined capacitance threshold value, is acted on or, described control unit determines that the pressure sensor is collected The pressure value of operation on the transparent cover plate is less than the predetermined pressure threshold and the touch recognition unit collects institute When stating the capacitance of operation and being less than predetermined capacitance threshold value, the fingerprint Identification sensor is under the control of described control unit In dormant state.

Optionally, the pressure sensor is at least two, described control unit, for being passed at least two pressure The average value of all pressure values of sensor acquisition is more than the predetermined pressure threshold, or, at least two pressure sensor is adopted When being more than the predetermined pressure threshold there are at least one pressure value in all pressure values of collection, the fingerprint recognition sensing is controlled Device is in running order.

According to the second aspect of the embodiment of the present disclosure, a kind of fingerprint identification method is provided, to contain such as first aspect institute In the terminal for the touch key-press stated, the method includes:

Acquire the pressure value of the operation of user's triggering;

Detect whether the pressure value is more than predetermined pressure threshold;

When the pressure value is more than the predetermined pressure threshold, the fingerprint of the user is acquired.

Optionally, when the terminal is terminal as described in claim 3 or 4, the method further includes:

Acquire the capacitance of the operation;

Detect whether the capacitance is more than predetermined capacitance threshold value;

When the capacitance is more than the predetermined capacitance threshold value, and the pressure value is more than the predetermined pressure threshold, Triggering executes the step of fingerprint of the acquisition user.

Optionally, the fingerprint of the acquisition user, including:

The fingerprint of the user is acquired according to the operation;Or,

It is shown by the display module of the terminal for prompting, in the prompt message of presumptive area acquisition fingerprint, to receive institute The operation that user triggers in the presumptive area is stated, acquires the user's according to the operation triggered in the presumptive area Fingerprint.

Optionally, when the pressure value is at least two, whether the detection pressure value is more than predetermined pressure threshold Value, including:

The average value for calculating all pressure values detects whether the average value is more than the predetermined pressure threshold;Or,

It detects in all pressure values with the presence or absence of at least one pressure value more than the predetermined pressure threshold.

The technical scheme provided by this disclosed embodiment can include the following benefits:

By the lower section that fingerprint Identification sensor and pressure sensor are arranged in transparent cover plate in the horizontal direction so that control When unit processed determines that the collected pressure value for acting on the operation on transparent cover plate of pressure sensor is more than predetermined pressure threshold, Fingerprint Identification sensor is in running order under the control of the control unit, since pressure sensor can be detected by pressure value Operation moves certain stroke pressing physical button to detect operation without fingerprint Identification sensor, therefore, there is no need to saturating Trepanning on bright cover board solves the problems, such as that trepanning causes the intensity of transparent cover plate to decline on transparent cover plate, and it is saturating to have reached raising The effect of the intensity of bright cover board;Also, it is in running order by pressure sensor control fingerprint Identification sensor, solve finger Line identification sensor is continuously in the problem of working condition results in waste of resources, and has achieved the effect that save resource.

It should be understood that above general description and following detailed description is merely exemplary, this can not be limited It is open.

Description of the drawings

The drawings herein are incorporated into the specification and constitutes a part for present disclosure specification, shows and meets the disclosure Embodiment, and together with specification for explaining the principles of this disclosure.

Fig. 1 is a kind of side view of touch key-press shown according to an exemplary embodiment.

Fig. 2 is a kind of side view of touch key-press shown according to an exemplary embodiment.

Fig. 3 is a kind of flow chart of fingerprint identification method shown according to an exemplary embodiment.

Fig. 4 is a kind of flow chart of the fingerprint identification method shown according to another exemplary embodiment.

Fig. 5 is a kind of block diagram of device for fingerprint recognition shown according to an exemplary embodiment.

Specific implementation mode

Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.

Fig. 1 is a kind of side view of touch key-press shown according to an exemplary embodiment, which is applied to eventually In end, as shown in Figure 1, the touch key-press includes:Fingerprint Identification sensor 110, pressure sensor 120 and control unit 130;

Fingerprint Identification sensor 110 and pressure sensor 120 are arranged in the lower section of transparent cover plate 140 in the horizontal direction, refer to Line identification sensor 110 and pressure sensor 120 are also electrical connected with control unit 130 respectively.

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 When value is more than predetermined pressure threshold, fingerprint Identification sensor 110 is in running order under control of a control unit 130.

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 When value is less than predetermined pressure threshold, fingerprint Identification sensor 110 is under control of a control unit 130 in a dormant state.

In conclusion the touch key-press that the disclosure provides, by the way that fingerprint Identification sensor and pressure sensor edge is horizontal Direction is arranged in the lower section of transparent cover plate so that control unit determines that pressure sensor is collected and acts on transparent cover plate When the pressure value of operation is more than predetermined pressure threshold, fingerprint Identification sensor is in running order under the control of the control unit, It is operated since pressure sensor can be detected by pressure value, moving certain stroke without fingerprint Identification sensor presses object Reason button operates to detect, and therefore, there is no need to the trepanning on transparent cover plate, solving the trepanning on transparent cover plate leads to transparency cover The problem of intensity of plate declines has achieved the effect that the intensity for improving transparent cover plate;Also, fingerprint is controlled by pressure sensor Identification sensor is in running order, and solve that fingerprint Identification sensor is continuously in that working condition results in waste of resources asks Topic has achieved the effect that save resource.

As shown in Figure 1, the touch key-press shown according to another exemplary embodiment includes:Fingerprint Identification sensor 110, pressure Force snesor 120 and control unit 130;

Fingerprint Identification sensor 110 and pressure sensor 120 are arranged in the lower section of transparent cover plate 140 in the horizontal direction, refer to Line identification sensor 110 and pressure sensor 120 are also electrical connected with control unit 130 respectively.

User by press or slide etc. gestures executed on transparent cover plate 140 operate when, in running order finger Line identification sensor 110 can acquire the fingerprint of user, and fingerprint is exported to control unit 130, and fingerprint recognition senses at this time Device 110 is electrical connected with control unit 130.Since fingerprint Identification sensor 110 needs to acquire fingerprint through transparent cover plate 140, Therefore, fingerprint Identification sensor 110 is needed positioned at the lower section of transparent cover plate 140, and is directly contacted with transparent cover plate 140.Its In, transparent cover plate 140 can be made of glass, sapphire glass etc..

Fingerprint Identification sensor 110 in the present embodiment can be sensor, can also be that the fingerprint comprising sensor is known Other chip can also include that sensor and fingerprint recognition chip, the present embodiment are not construed as limiting.

User by press or slide etc. gestures executed on transparent cover plate 140 operate when, pressure sensor 120 can be with It collects the pressure value of the operation, and pressure value is exported to control unit 130, at this time pressure sensor 120 and control unit 130 are electrical connected.Pressure value is acquired since pressure sensor 120 needs the deformation by transparent cover plate 140, pressure Sensor 120 is needed positioned at the lower section of transparent cover plate 140, and is directly contacted with transparent cover plate 140, at this point, fingerprint recognition passes Sensor 110 arranges in the horizontal direction with pressure sensor 120.

It needs to consume certain power consumption since fingerprint Identification sensor 110 is continuously in working condition, leads to the wasting of resources, Therefore, fingerprint Identification sensor 110 can be controlled in a dormant state when fingerprint Identification sensor 110 need not be used; When needing using fingerprint Identification sensor 110, control fingerprint Identification sensor 110 is in running order.Wherein, fingerprint recognition passes The state of sensor 110 is controlled by control unit 130.

When determining the need for using fingerprint Identification sensor 110, a kind of possible method of determination is to receive use Family determines in the operation triggered on transparent cover plate 140 and needs to use fingerprint Identification sensor 110, can pass through pressure at this time Sensor 120 determines whether to receive operation.

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 When value is more than predetermined pressure threshold, fingerprint Identification sensor 110 is in running order under control of a control unit 130.

Wherein, when pressure sensor 120 collects pressure value, pressure value, control unit are sent to control unit 130 130 when determining that the pressure value is more than predetermined pressure threshold, and control fingerprint Identification sensor 110 is in running order.That is, control Unit 130 wakes up fingerprint Identification sensor 110.

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 When value is less than predetermined pressure threshold, fingerprint Identification sensor 110 is under control of a control unit 130 in a dormant state.

Wherein, when pressure sensor 120 collects pressure value, pressure value, control unit are sent to control unit 130 130 when determining that the pressure value is less than predetermined pressure threshold, and control fingerprint Identification sensor 110 is in a dormant state.That is, control Unit 130 processed does not wake up fingerprint Identification sensor 110.

In the present embodiment, the distance between fingerprint Identification sensor 110 and pressure sensor 120 are less than first apart from threshold Value.

When the distance between fingerprint Identification sensor 110 and pressure sensor 120 are less than the first distance threshold, Yong Hu Contact area when executing operation between transparent cover plate 140 can not only cover pressure sensor 120, can also cover fingerprint Identification sensor 110, at this time fingerprint Identification sensor 110 can directly acquire the corresponding fingerprint of this operation.

Optionally, the distance between fingerprint Identification sensor 110 and pressure sensor 120 can also be more than first apart from threshold Value, at this point, contact area of the user when executing operation between transparent cover plate 140 is merely able to covering pressure sensor 120, and Fingerprint Identification sensor 110 cannot be covered, region of the user corresponding to fingerprint Identification sensor 110 can be prompted at this time again Operation is executed, fingerprint Identification sensor 110 acquires the fingerprint corresponding to the operation executed again.

In the present embodiment, when pressure sensor 120 is at least two, each pressure sensor 120 is all located at transparency cover The lower section of plate 140, and each pressure sensor 120 arranges in the horizontal direction.Optionally, pressure sensor 120 can surround Fingerprint Identification sensor 110 is arranged, and can also be arranged otherwise, the unlimited level pressure force snesor of the present embodiment Arrangement mode between 120 and fingerprint Identification sensor 110.

When pressure sensor 120 is at least two, each pressure sensor 120 can collect and act on transparency cover The pressure value of operation on plate 140, and the pressure sensor 120 of different location to the collected pressure value of same operation institute not Together, therefore, control unit 130 is after the pressure value for receiving the output of each pressure sensor 120, it is also necessary to each pressure Value is handled.

Wherein, pressure sensor 120 is at least two, control unit 130, at least two pressure sensors 120 The average value of all pressure values of acquisition is more than predetermined pressure threshold, or, all pressures of at least two pressure sensors 120 acquisition When being more than predetermined pressure threshold there are at least one pressure value in force value, control fingerprint Identification sensor 110 is in running order.

In the first possible processing mode, control unit 130 calculates the weighted average of each pressure value, is averaged Value, and the average value is compared with predetermined pressure threshold, when the average value is more than predetermined pressure threshold, determine that wake-up refers to Line identification sensor 110;When the average value is less than predetermined pressure threshold, determination does not wake up fingerprint Identification sensor 110.

In second of possible processing mode, control unit 130 one by one compares pressure value and predetermined pressure threshold Compared with determining to wake up fingerprint Identification sensor 110 when being more than predetermined pressure threshold there are some pressure value;When all pressures When force value is all less than predetermined pressure threshold, determination does not wake up fingerprint Identification sensor 110.

In the present embodiment, touch key-press further includes:It is electrical connected with control unit 130 and under transparent cover plate 140 The touch recognition unit 150 of side, the distance between touch recognition unit 150 and pressure sensor 120 are less than second distance threshold value;

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 Value is more than predetermined pressure threshold, and control unit 130 determines that the capacitance that touch recognition unit 150 collects operation is more than predetermined When capacitance threshold value, fingerprint Identification sensor 110 is in running order under control of a control unit 130;

When control unit 130 determines the collected pressure for acting on the operation on transparent cover plate 140 of pressure sensor 120 Value is less than predetermined pressure threshold, or, control unit 130 determines that the capacitance that touch recognition unit 150 collects operation does not surpass Predetermined capacitance threshold value is crossed, or, control unit 130 determines the collected behaviour acted on transparent cover plate 140 of pressure sensor 120 The pressure value of work is less than predetermined pressure threshold and touch recognition unit 150 collects the capacitance of operation and is less than predetermined capacitance When threshold value, fingerprint Identification sensor 110 is under control of a control unit 130 in a dormant state.

Touch recognition unit 150 is used for the capacitance of acquisition operations, and capacitance is sent to control unit 130, at this point, Touch recognition unit 150 is electrical connected with control unit 130.Touch recognition unit 150 is located at the lower section of transparent cover plate 140, this Embodiment does not limit the Rankine-Hugoniot relations between touch recognition unit 150 and fingerprint Identification sensor 110 and pressure sensor 120. For example, touch recognition unit 150 is located at the lower section of fingerprint Identification sensor 110 and pressure sensor 120, or, touch recognition list Member 150, fingerprint Identification sensor 110 and pressure sensor 120 arrange etc. in the horizontal direction.Shown in please referring to Fig.2 touch by The side view of key, touch recognition unit 150, fingerprint Identification sensor 110 and pressure sensor 120 in Fig. 2 are in the horizontal direction Arrangement.

Wherein, no matter which type of touch recognition unit 150 and fingerprint Identification sensor 110 and pressure sensor 120 be Arrangement mode, the distance between touch recognition unit 150 and pressure sensor 120 need to be less than second distance threshold value so that use Contact area of the family when executing operation between transparent cover plate 140 can not only cover pressure sensor 120, can also cover Touch recognition unit 150, to ensure that touch recognition unit 150 can collect the capacitance of this operation.Wherein, it touches and knows Other unit 150 can realize the acquisition principle of capacitance by ripe the relevant technologies, not repeat herein.

When pressure sensor 120 collects pressure value and pressure value is more than predetermined pressure threshold, determination receives effect Operation on transparent cover plate 140 is more than predetermined capacitance threshold value when touch recognition unit 150 collects capacitance and capacitance When, determine that the operation is user's triggering, rather than due to the external force triggering such as weight shock, pass through control unit 130 at this time Wake up fingerprint Identification sensor 110.When pressure sensor 120 collects pressure value and pressure value is more than predetermined pressure threshold, Determination receives the operation acted on transparent cover plate 140, when touch recognition unit 150 does not collect capacitance or collected Capacitance is less than predetermined capacitance threshold value, determines that the operation is not pass through control at this time since the external force such as weight shock trigger Unit 130 wakes up fingerprint Identification sensor 110.

In conclusion the touch key-press that the disclosure provides, by the way that fingerprint Identification sensor and pressure sensor edge is horizontal Direction is arranged in the lower section of transparent cover plate so that control unit determines that pressure sensor is collected and acts on transparent cover plate When the pressure value of operation is more than predetermined pressure threshold, fingerprint Identification sensor is in running order under the control of the control unit, It is operated since pressure sensor can be detected by pressure value, moving certain stroke without fingerprint Identification sensor presses object Reason button operates to detect, and therefore, there is no need to the trepanning on transparent cover plate, solving the trepanning on transparent cover plate leads to transparency cover The problem of intensity of plate declines has achieved the effect that the intensity for improving transparent cover plate;Also, fingerprint is controlled by pressure sensor Identification sensor is in running order, and solve that fingerprint Identification sensor is continuously in that working condition results in waste of resources asks Topic has achieved the effect that save resource.

In addition, the distance between fingerprint Identification sensor and pressure sensor are less than the first distance threshold so that fingerprint is known Individual sensor can directly acquire the corresponding fingerprint of this operation, acquire fingerprint without executing operation again, obtain Improve the effect of fingerprint collecting efficiency.

In addition, when the collected pressure value for acting on the operation on transparent cover plate of pressure sensor is more than predetermined pressure threshold Value, and when touch recognition unit collects the capacitance of operation and is more than predetermined capacitance threshold value, fingerprint Identification sensor is single in control It is in running order under the control of member, it can recognize whether to operate by pressure sensor, and pass through touch recognition list Member identifies whether the operation is that user triggers, and solves the weight operation that operations are mistakenly considered user's triggering such as hitting, The problem for leading to operation identification mistake has achieved the effect that the accuracy for improving operation identification.

Fig. 3 is a kind of flow chart of fingerprint identification method shown according to an exemplary embodiment, the fingerprint identification method Applied in the terminal comprising touch key-press shown in fig. 1 or fig. 2, as shown in figure 3, the fingerprint identification method includes following step Suddenly.

In step 301, the pressure value of the operation of acquisition user triggering.

In step 302, detect whether the pressure value is more than predetermined pressure threshold.

In step 303, when the pressure value is more than predetermined pressure threshold, the fingerprint of user is acquired.

In conclusion the fingerprint identification method that the disclosure provides, the pressure value of the operation by acquiring user's triggering, detection Whether the pressure value is more than predetermined pressure threshold, when the pressure value is more than predetermined pressure threshold, acquires the fingerprint of user, can be with Determine whether to acquire fingerprint by pressure value, solves fingerprint Identification sensor and be continuously in what working condition resulted in waste of resources Problem has achieved the effect that save resource.

Fig. 4 is a kind of flow chart of the fingerprint identification method shown according to another exemplary embodiment, the fingerprint recognition side Method is applied in the terminal comprising touch key-press shown in fig. 1 or fig. 2, as shown in figure 4, the fingerprint identification method includes following step Suddenly.

In step 401, the pressure value of the operation of acquisition user triggering.

In the present embodiment, the pressure value of the pressure sensor acquisition operations in touch key-press can be passed through.

In step 402, detect whether the pressure value is more than predetermined pressure threshold.

Terminal reads the collected pressure value of pressure sensor, and when pressure value is one, terminal is directly by the pressure value It is compared with predetermined pressure threshold, when determining that the pressure value is more than predetermined pressure threshold, executes step 403;It should when determining When pressure value is less than predetermined pressure threshold, it is not responding to the operation.When pressure value is at least two, whether detection pressure value surpasses Predetermined pressure threshold is crossed, including:The average value of all pressure values is calculated, whether detection average value is more than predetermined pressure threshold;Or, It detects in all pressure values with the presence or absence of at least one pressure value more than predetermined pressure threshold.

In the first possible processing mode, terminal calculates the weighted average of each pressure value, obtains average value, and will The average value is compared with predetermined pressure threshold, when the average value is more than predetermined pressure threshold, determines that pressure value is more than pre- Level pressure force threshold executes step 403;When the average value is less than predetermined pressure threshold, determine that pressure value is less than pre- level pressure Force threshold is not responding to the operation.

In second of possible processing mode, pressure value is compared by terminal with predetermined pressure threshold one by one, when depositing When some pressure value is more than predetermined pressure threshold, determines that pressure value is more than predetermined pressure threshold, execute step 403;Work as institute It when some pressure values are all less than predetermined pressure threshold, determines that pressure value is less than predetermined pressure threshold, is not responding to the operation.

In step 403, when the pressure value is more than predetermined pressure threshold, the fingerprint of user is acquired according to the operation;Or, It is shown by the display module of terminal for prompting the prompt message in presumptive area acquisition fingerprint, receives user in presumptive area The operation of triggering, according to the fingerprint of the operation acquisition user triggered in presumptive area.

When the distance between fingerprint Identification sensor and pressure sensor are less than first threshold, user is when executing operation Contact area between terminal can not only cover pressure sensor, can also cover fingerprint Identification sensor, at this time fingerprint Identification sensor can directly acquire the corresponding fingerprint of this operation.

When the distance between fingerprint Identification sensor and pressure sensor are more than the first distance threshold, user is executing behaviour Contact area when making between terminal is merely able to covering pressure sensor, and cannot cover fingerprint Identification sensor, at this time may be used To prompt presumptive area of the user corresponding to fingerprint Identification sensor to execute operation again, fingerprint Identification sensor acquires again Fingerprint corresponding to the operation of execution.

Optionally, when terminal further includes touch recognition unit, method provided in this embodiment further includes:

1) capacitance of acquisition operations;

2) detect whether the capacitance is more than predetermined capacitance threshold value;

3) when the capacitance is more than predetermined capacitance threshold value, and pressure value is more than predetermined pressure threshold, triggering executes step 403。

In the present embodiment, the capacitance of the touch recognition unit acquisition operations in touch key-press can be passed through.Wherein, it touches The distance between recognition unit and pressure sensor need to be less than second distance threshold value so that user execute operate when and terminal Between contact area can not only cover pressure sensor, touch recognition unit can also be covered, to ensure touch recognition Unit can collect the capacitance of this operation.

After terminal gets capacitance, detect whether the capacitance is more than predetermined capacitance threshold value, and whether detect pressure value More than predetermined pressure threshold, when the capacitance is more than predetermined capacitance threshold value and the pressure value is more than predetermined capacitance threshold value, determine Wake up the fingerprint corresponding to fingerprint Identification sensor acquisition operations;When pressure value is less than predetermined pressure threshold, or, capacitance is not It is determined not more than predetermined capacitance threshold value or, pressure value is less than predetermined pressure threshold and capacitance is less than predetermined capacitance threshold value Wake up fingerprint Identification sensor.

In conclusion the fingerprint identification method that the disclosure provides, the pressure value of the operation by acquiring user's triggering, detection Whether the pressure value is more than predetermined pressure threshold, when the pressure value is more than predetermined pressure threshold, acquires the fingerprint of user, can be with Determine whether to acquire fingerprint by pressure value, solves fingerprint Identification sensor and be continuously in what working condition resulted in waste of resources Problem has achieved the effect that save resource.

In addition, by the fingerprint according to operation acquisition user, the corresponding fingerprint of this operation can be directly acquired, without Need to execute operation again to be improved to acquire fingerprint the effect of fingerprint collecting efficiency.

In addition, the capacitance for passing through acquisition operations;Detect whether capacitance is more than predetermined capacitance threshold value;When capacitance is more than Predetermined capacitance threshold value, and pressure value be more than predetermined pressure threshold when, triggering execute acquisition user fingerprint the step of, can identify Whether the operation is that user triggers, and solves the operation that the operations such as weight shock are mistakenly considered to user's triggering, causes to operate The problem for identifying mistake has achieved the effect that the accuracy for improving operation identification.

Fig. 5 is a kind of block diagram of device 500 for fingerprint recognition shown according to an exemplary embodiment.For example, dress It can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, medical treatment to set 500 Equipment, body-building equipment, personal digital assistant etc..

With reference to Fig. 5, device 500 may include following one or more components:Processing component 502, memory 504, power supply Component 506, multimedia component 508, audio component 510, the interface 512 of input/output (I/O), sensor module 514, and Communication component 516.

The integrated operation of 502 usual control device 500 of processing component, such as with display, call, data communication, phase Machine operates and record operates associated operation.Processing component 502 may include that one or more processors 518 refer to execute It enables, to perform all or part of the steps of the methods described above.In addition, processing component 502 may include one or more modules, just Interaction between processing component 502 and other assemblies.For example, processing component 502 may include multi-media module, it is more to facilitate Interaction between media component 508 and processing component 502.

Memory 504 is configured as storing various types of data to support the operation in device 500.These data are shown Example includes instruction for any application program or method that operate on device 500, contact data, and telephone book data disappears Breath, picture, video etc..Memory 504 can be by any kind of volatibility or non-volatile memory device or their group It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash Device, disk or CD.

Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 may include power management system System, one or more power supplys and other generated with for device 500, management and the associated component of distribution electric power.

Multimedia component 508 is included in the screen of one output interface of offer between described device 500 and user.One In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers Body component 508 includes a front camera and/or rear camera.Multimedia component 508 further includes in 500 He of described device The touch key-press of one input interface of offer between user.The touch key-press includes fingerprint Identification sensor and pressure sensing Device, pressure sensor can sense the pressure value of operation, and pressure value is sent to processing component 502, in processing component 502 Determine that control fingerprint Identification sensor is in running order when the pressure value is more than predetermined pressure threshold, alternatively, the touch key-press Including fingerprint Identification sensor, pressure sensor and touch recognition unit, pressure sensor can sense the pressure value of operation, Pressure value is sent to processing component 502, touch recognition unit can sense the capacitance of operation, and capacitance is sent to place Component 502 is managed, and determines that the pressure value is more than predetermined pressure threshold and the capacitance is more than predetermined capacitance threshold in processing component 502 Control fingerprint Identification sensor is in running order when value, and in running order fingerprint Identification sensor provides fingerprint to the user Identification.

When device 500 is in operation mode, when such as screening-mode or video mode, front camera and/or postposition image Head can receive external multi-medium data.Each front camera and rear camera can be a fixed optical lenses System has focusing and optical zoom capabilities.

Audio component 510 is configured as output and/or input audio signal.For example, audio component 510 includes a Mike Wind (MIC), when device 500 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone by with It is set to reception external audio signal.The received audio signal can be further stored in memory 504 or via communication set Part 516 is sent.In some embodiments, audio component 510 further includes a loud speaker, is used for exports audio signal.

I/O interfaces 512 provide interface between processing component 502 and peripheral interface module, and above-mentioned peripheral interface module can To be keyboard, click wheel, button etc..These buttons may include but be not limited to:Home button, volume button, start button and lock Determine button.

Sensor module 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented Estimate.For example, sensor module 514 can detect the state that opens/closes of device 500, and the relative positioning of component, for example, it is described Component is the display and keypad of device 500, and sensor module 514 can be with 500 1 components of detection device 500 or device Position change, the existence or non-existence that user contacts with device 500,500 orientation of device or acceleration/deceleration and device 500 Temperature change.Sensor module 514 may include proximity sensor, be configured to detect without any physical contact Presence of nearby objects.Sensor module 514 can also include optical sensor, such as CMOS or ccd image sensor, at As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors Device, Magnetic Sensor, pressure sensor or temperature sensor.

Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device 500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.In an exemplary implementation In example, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel. In one exemplary embodiment, the communication component 516 further includes near-field communication (NFC) module, to promote short range communication.Example Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology, Bluetooth (BT) technology and other technologies are realized.

In the exemplary embodiment, device 500 can be believed by one or more application application-specific integrated circuit (ASIC), number Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.

In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of Such as include the memory 504 of instruction, above-metioned instruction can be executed by the processor 518 of device 500 to complete the above method.For example, The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk With optical data storage devices etc..

Those skilled in the art will readily occur to other realities of the disclosure after considering specification and putting into practice disclosure herein Apply scheme.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or suitable The variation of answering property follows the general principles of this disclosure and includes the undocumented common knowledge or used in the art of the disclosure Use technological means.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following right It is required that pointing out.

It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.

Claims (6)

1. a kind of touch key-press, which is characterized in that the touch key-press includes:Fingerprint Identification sensor, pressure sensor and control Unit processed;
The fingerprint Identification sensor and the pressure sensor are arranged in the lower section of transparent cover plate, the fingerprint in the horizontal direction Identification sensor and the pressure sensor are also electrical connected with described control unit respectively;
When described control unit determines the collected pressure for acting on the operation on the transparent cover plate of the pressure sensor When value is more than predetermined pressure threshold, the fingerprint Identification sensor is in running order under the control of described control unit;
When described control unit determines the collected pressure for acting on the operation on the transparent cover plate of the pressure sensor When value is less than the predetermined pressure threshold, the fingerprint Identification sensor is in suspend mode shape under the control of described control unit State;
Wherein, the touch key-press further includes:It is electrical connected with described control unit and positioned at the lower section of the transparent cover plate Touch recognition unit, the distance between the touch recognition unit and the pressure sensor are less than second distance threshold value;
When described control unit determines the collected pressure for acting on the operation on the transparent cover plate of the pressure sensor Value is more than the predetermined pressure threshold, and described control unit determines that the touch recognition unit collects the capacitance of the operation When value is more than predetermined capacitance threshold value, the fingerprint Identification sensor is in running order under the control of described control unit;
When described control unit determines the collected pressure for acting on the operation on the transparent cover plate of the pressure sensor Value is less than the predetermined pressure threshold, or, described control unit determines that the touch recognition unit collects the operation Capacitance is less than predetermined capacitance threshold value, or, described control unit determine the pressure sensor it is collected act on it is described The pressure value of operation on transparent cover plate is less than the predetermined pressure threshold and the touch recognition unit collects the behaviour When the capacitance of work is less than predetermined capacitance threshold value, the fingerprint Identification sensor is under the control of described control unit in not Dormancy state.
2. touch key-press according to claim 1, which is characterized in that the fingerprint Identification sensor and the pressure sensing The distance between device is less than the first distance threshold.
3. touch key-press according to claim 1 or 2, which is characterized in that the pressure sensor is at least two,
The average value of described control unit, all pressure values for being acquired at least two pressure sensor is more than described Predetermined pressure threshold, or, there are at least one pressure values to surpass in all pressure values of at least two pressure sensor acquisition When crossing the predetermined pressure threshold, it is in running order to control the fingerprint Identification sensor.
4. a kind of fingerprint identification method, which is characterized in that contain such as the touch key-press as described in claims 1 to 3 is any In terminal, the touch key-press includes:Fingerprint Identification sensor, pressure sensor and control unit;The fingerprint recognition sensing Device and the pressure sensor are arranged in the lower section of transparent cover plate, the fingerprint Identification sensor and the pressure in the horizontal direction Sensor is also electrical connected with described control unit respectively, the method includes:
Acquire the pressure value of the operation of user's triggering;
Detect whether the pressure value is more than predetermined pressure threshold;
When the pressure value is more than the predetermined pressure threshold, the fingerprint of the user is acquired;
Wherein, the touch key-press further includes:It is electrical connected with described control unit and positioned at the lower section of the transparent cover plate Touch recognition unit, the distance between the touch recognition unit and the pressure sensor are less than second distance threshold value, described Method further includes:
Acquire the capacitance of the operation;
Detect whether the capacitance is more than predetermined capacitance threshold value;
When the capacitance is more than the predetermined capacitance threshold value, and the pressure value is more than the predetermined pressure threshold, triggering The step of executing the fingerprint of the acquisition user.
5. according to the method described in claim 4, it is characterized in that, the fingerprint of the acquisition user, including:
The fingerprint of the user is acquired according to the operation;Or,
It is shown by the display module of the terminal for prompting, in the prompt message of presumptive area acquisition fingerprint, to receive the use The operation that family is triggered in the presumptive area acquires the finger of the user according to the operation triggered in the presumptive area Line.
6. method according to claim 4 or 5, which is characterized in that when the pressure value is at least two, the detection Whether the pressure value is more than predetermined pressure threshold, including:
The average value for calculating all pressure values detects whether the average value is more than the predetermined pressure threshold;Or,
It detects in all pressure values with the presence or absence of at least one pressure value more than the predetermined pressure threshold.
CN201510320914.0A 2015-06-12 2015-06-12 Touch key-press and fingerprint identification method CN104951159B (en)

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