CN105138171B - Touch key-press and fingerprint identification method - Google Patents

Touch key-press and fingerprint identification method Download PDF

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Publication number
CN105138171B
CN105138171B CN201510544116.6A CN201510544116A CN105138171B CN 105138171 B CN105138171 B CN 105138171B CN 201510544116 A CN201510544116 A CN 201510544116A CN 105138171 B CN105138171 B CN 105138171B
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China
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pressure
sensor
control unit
fingerprint identification
pressure sensor
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CN201510544116.6A
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Chinese (zh)
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CN105138171A (en
Inventor
杨坤
江忠胜
陶钧
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小米科技有限责任公司
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Priority to CN201510544116.6A priority Critical patent/CN105138171B/en
Publication of CN105138171A publication Critical patent/CN105138171A/en
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Publication of CN105138171B publication Critical patent/CN105138171B/en

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Abstract

The disclosure belongs to technical field of touch control on a kind of touch key-press and fingerprint identification method.The touch key-press includes:Fingerprint Identification sensor and pressure sensor are arranged separately on the lower section of transparent cover plate, and at least one in fingerprint Identification sensor and pressure sensor is electrical connected with control unit;When control unit determines that the pressure parameter for acting on the operation on transparent cover plate that pressure sensor collects exceedes predetermined parameter threshold, fingerprint Identification sensor is in running order under the control of the control unit;When control unit determines the pressure parameter for acting on the operation on transparent cover plate that pressure sensor collects not less than predetermined parameter 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 perforate on transparent cover plate, has reached the effect for the intensity for improving transparent cover plate, has also solved the problems, such as that fingerprint Identification sensor is continuously in working status and causes the wasting of resources, had reached the effect for saving 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 set in terminal can be acquired the fingerprint of user, and terminal is according to the finger collected Line carries out authentication to user, to improve the security of terminal.

Usually fingerprint Identification sensor is arranged in touch key-press, touch key-press includes at this time:It is arranged on PCB Physical button on (Printed Circuit Board, printed circuit board (PCB)) plate is known with the fingerprint being suspended in above physical button Individual sensor, the fingerprint Identification sensor are located in the perforate 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 control fingerprint Identification sensor movement certain Stroke and when being pressed into physical button, the operation of user is identified as fingerprint collecting and pressing physical button.

The content of the invention

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

According to the first aspect of the embodiment of the present disclosure, there is provided a kind of touch key-press, the touch key-press include:

Fingerprint Identification sensor, pressure sensor and control unit;

The fingerprint Identification sensor and the pressure sensor are arranged separately on the lower section of transparent cover plate, and the fingerprint is known At least one and described control unit in individual sensor and the pressure sensor is electrical connected;

When described control unit determines the operation acted on the transparent cover plate that the pressure sensor collects When pressure parameter exceedes predetermined parameter threshold, the fingerprint Identification sensor is in work shape under the control of described control unit State;

When described control unit determines the operation acted on the transparent cover plate that the pressure sensor collects When pressure parameter is not less than the predetermined parameter threshold, the fingerprint Identification sensor is under the control of described control unit Resting state.

Optionally, the pressure sensor is arranged in the lower section of the transparent cover plate, and the fingerprint Identification sensor is arranged It is listed in the lower section of the pressure sensor;Or,

The fingerprint Identification sensor is arranged in the lower section of the transparent cover plate, and the pressure sensor be arranged in it is described The lower section of fingerprint Identification sensor.

Optionally, the fingerprint Identification sensor includes pickup area and non-acquired region, the pressure sensor arrangement In the lower section of the transparent cover plate and the top in the non-acquired region.

Optionally, the fingerprint Identification sensor and the pressure sensor are electrical connected with described control unit respectively; Or,

The fingerprint Identification sensor is electrical connected with the pressure sensor and described control unit respectively;Or,

The pressure sensor is electrical connected with the fingerprint Identification sensor and described control unit respectively.

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 preset distance threshold Value;

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

When described control unit determines the operation acted on the transparent cover plate that the pressure sensor collects Pressure parameter is not less than the predetermined parameter threshold, or, to determine that the touch recognition unit collects described for described control unit The capacitance of operation determines the effect that the pressure sensor collects not less than predetermined capacitance threshold value, or, described control unit Gathered in the pressure parameter of the operation on the transparent cover plate not less than the predetermined parameter threshold and the touch recognition unit To the operation capacitance not less than predetermined capacitance threshold value when, control of the fingerprint Identification sensor in described control unit Under in a 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 parameters of sensor collection exceedes the predetermined parameter threshold, or, at least two pressure sensor When exceeding the predetermined parameter threshold there are at least one pressure parameter in all pressure parameters of collection, the fingerprint is controlled to know Individual sensor is in running order.

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

Gather the pressure parameter of the operation of user's triggering;

Detect whether the pressure parameter exceedes predetermined parameter threshold;

When the pressure parameter exceedes the predetermined parameter threshold, the fingerprint of the user is gathered according to the operation.

Optionally, when the touch key-press in the terminal further includes touch recognition unit, the method, further includes:

Gather the capacitance of the operation;

Detect whether the capacitance exceedes predetermined capacitance threshold value;

When the capacitance exceedes the predetermined capacitance threshold value, and the pressure parameter exceedes the predetermined parameter threshold When, the step of triggering performs the fingerprint of the collection user.

Optionally, when the pressure parameter is at least two, whether the detection pressure parameter exceedes predetermined ginseng Number threshold value, including:

The average value of all pressure parameters is calculated, detects whether the average value exceedes the predetermined parameter threshold;Or,

Detect in all pressure parameters and exceed the predetermined parameter threshold with the presence or absence of at least one pressure parameter.

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 separately on to transparent cover plate so that control unit When determining that the pressure parameter for acting on the operation on transparent cover plate that pressure sensor collects exceedes predetermined parameter threshold, fingerprint Identification sensor is in running order under the control of the control unit, is grasped since pressure sensor can be detected by pressure parameter Make, move certain stroke pressing physical button to detect operation without fingerprint Identification sensor, therefore, there is no need to transparent Perforate on cover board, solves the problems, such as that perforate causes the intensity of transparent cover plate to decline on transparent cover plate, and it is transparent to have reached raising The effect of the intensity of cover board;Also, control fingerprint Identification sensor in running order by pressure sensor, solve fingerprint Identification sensor is continuously in the problem of working status causes the wasting of resources, has reached the effect for saving resource.

It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited It is open.

Brief description of the drawings

Attached drawing herein is merged in specification and forms a part for present disclosure specification, shows and meets the disclosure Embodiment, and be used to together with specification to explain the principle of the disclosure.

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

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

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

Embodiment

Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus 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 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 separately on the lower section of transparent cover plate 140, fingerprint recognition At least one and control unit 130 in sensor 110 and pressure sensor 120 is electrical connected.

It should be noted that Fig. 1 is only located at the lower section of transparent cover plate 140, and pressure sensing with fingerprint Identification sensor 110 The lower section that device 120 is located at fingerprint Identification sensor 110 is illustrated, and does not limit fingerprint Identification sensor 110 and pressure Relative position relation between sensor 120.

In the present embodiment, fingerprint Identification sensor 110 and pressure sensor 120 can be electrical with control unit 130 respectively It is connected, as shown in Figure 1;Or, fingerprint Identification sensor 110 is electrical connected with pressure sensor 120 and control unit 130 respectively; Or, pressure sensor 120 is electrical connected with fingerprint Identification sensor 110 and control unit 130 respectively.Wherein, control unit 130 Can be specially CPU (Central Processing Unit, central processing unit).

When control unit 130 determines the pressure for acting on the operation on transparent cover plate 140 that pressure sensor 120 collects When parameter exceedes predetermined parameter threshold, fingerprint Identification sensor 110 is in running order under control of a control unit 130.

When control unit 130 determines the pressure for acting on the operation on transparent cover plate 140 that pressure sensor 120 collects When parameter is not less than predetermined parameter threshold, fingerprint Identification sensor 110 is under control of a control unit 130 in a dormant state.

When fingerprint Identification sensor 110 and pressure sensor 120 are electrical connected with control unit 130 respectively, pressure passes Processing unit is provided with sensor 120, which is used to determine to act on the pressure ginseng of the operation on transparent cover plate 140 When number exceedes predetermined parameter threshold, control unit 130 is waken up, fingerprint Identification sensor 110 is waken up by control unit 130.Or Person,

When pressure sensor 120 is electrical connected with fingerprint Identification sensor 110 and control unit 130 respectively, pressure passes Processing unit is provided with sensor 120, which is used to determine to act on the pressure ginseng of the operation on transparent cover plate 140 When number exceedes predetermined parameter threshold, control unit 130 is waken up, control unit 130 passes through the forwarding capability of pressure sensor 120 again Wake up fingerprint Identification sensor 110.

When fingerprint Identification sensor 110 is electrical connected with pressure sensor 120 and control unit 130 respectively, first In the possible implementation of kind, processing unit is provided with pressure sensor 120, which is used to determine to act on When the pressure parameter of operation on bright cover board 140 exceedes predetermined parameter threshold, send wake-up to fingerprint Identification sensor 110 and refer to Order, fingerprint Identification sensor 110 is transmitted to control unit 130 by instruction is waken up, by waking up wake instruction control unit 130; In second of possible implementation, processing unit is provided with fingerprint Identification sensor 110, which is used to receive The pressure parameter that pressure sensor 120 is sent, and when definite pressure parameter exceedes predetermined parameter threshold, wake up control unit 130.Alternatively,

Regardless of the connection relation between pressure sensor 120, fingerprint Identification sensor 110 and control unit 130, pressure Processing unit is both provided with force snesor 120 and fingerprint Identification sensor 110.

Wherein, processing unit can be MCU (Microcontroller Unit, micro-control unit) or other Unit, the present embodiment are not construed as limiting.

In conclusion the touch key-press that the disclosure provides, by the way that fingerprint Identification sensor and pressure sensor are arranged respectively It is listed in the lower section of transparent cover plate so that control unit determines the operation acted on transparent cover plate that pressure sensor collects When pressure parameter exceedes predetermined parameter threshold, fingerprint Identification sensor is in running order under the control of the control unit, due to Pressure sensor can be detected by pressure parameter and operated, and certain stroke pressing physics is moved without fingerprint Identification sensor Button operates to detect, and therefore, there is no need to the perforate on transparent cover plate, solving the perforate on transparent cover plate causes transparent cover plate Intensity decline the problem of, reached improve transparent cover plate intensity effect;Also, fingerprint is controlled to know by pressure sensor Individual sensor is in running order, solves the problems, such as that fingerprint Identification sensor is continuously in working status and causes the wasting of resources, The effect for saving resource is reached.

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 separately on the lower section of transparent cover plate 140, fingerprint recognition At least one and control unit 130 in sensor 110 and pressure sensor 120 is electrical connected.

In the present embodiment, fingerprint Identification sensor 110 and pressure sensor 120 can be electrical with control unit 130 respectively It is connected, as shown in Figure 1;Or, fingerprint Identification sensor 110 is electrical connected with pressure sensor 120 and control unit 130 respectively; Or, pressure sensor 120 is electrical connected with fingerprint Identification sensor 110 and control unit 130 respectively.Wherein, control unit 130 Can be specially CPU.

When user is performing operation by pressing or sliding when gesture on transparent cover plate 140, in running order finger Line identification sensor 110 can gather the fingerprint of user, and fingerprint is sent to control unit 130.Wherein, when fingerprint recognition passes When sensor 110 is electrical connected with control unit 130, fingerprint is directly sent to control unit 130 by fingerprint Identification sensor 110; When fingerprint Identification sensor 110 and pressure sensor 120 are electrical connected, and are not electrical connected with control unit 130, fingerprint is known Fingerprint is sent to pressure sensor 120 by individual sensor 110, and fingerprint is transmitted to control unit 130 by pressure sensor 120.

Since fingerprint Identification sensor 110 needs to gather fingerprint through transparent cover plate 140, fingerprint Identification sensor 110 need positioned at the lower section of transparent cover plate 140.Wherein, transparent cover plate 140 can be made of glass, sapphire glass etc..

User by press or slide when gesture performed on transparent cover plate 140 operate when, pressure sensor 120 can be with The pressure parameter of the operation is collected, and pressure parameter is sent to control unit 130.Since pressure sensor 120 needs to lead to The deformation of transparent cover plate 140 is crossed to gather pressure parameter, therefore, pressure sensor 120 needs to be located under transparent cover plate 140 Side.Wherein, pressure parameter is the parameter that pressure sensor 120 is collected when acting on pressure sensor 120, can To be effect dynamics, pressure duration, instantaneous pressure change of operation etc., the present embodiment is not construed as limiting.

It should be noted that the parameter type of predetermined parameter threshold is identical with the parameter type of pressure parameter.For example, when pressure When force parameter is effect dynamics, predetermined parameter threshold is effect dynamics threshold value;When pressure parameter is pressure duration, make a reservation for Parameter threshold is pressure duration threshold value;When pressure parameter is instantaneous pressure change, predetermined parameter threshold is instantaneous pressure Change threshold.

In the present embodiment, fingerprint Identification sensor 110 and pressure sensor 120 are all located at the lower section of transparent cover plate 140, this When, fingerprint Identification sensor 110 and pressure sensor 120 have following two position relationships:Pressure sensor 120 is arranged in The lower section of bright cover board 140, and fingerprint Identification sensor 110 is arranged in the lower section of pressure sensor 120;Or, fingerprint recognition sensing Device 110 is arranged in the lower section of transparent cover plate 140, and pressure sensor 120 is arranged in the lower section of fingerprint Identification sensor 110.

When pressure sensor 120 is arranged in the top of fingerprint Identification sensor 110, pressure sensor 120 is direct at this time Contacted with transparent cover plate 140, pressure sensor 120 can gather pressure parameter according to the deformation of transparent cover plate 140.

Fingerprint Identification sensor 110 due to being arranged in the lower section of pressure sensor 120 also needs to the fingerprint of collection user, is Reduce influence of the pressure sensor 120 to fingerprint collecting, in the first possible implementation, pressure sensor 120 Volume is far smaller than the volume of fingerprint Identification sensor 110, refers in this way, pressure sensor 120 can only block small part Line, does not interfere with overall fingerprint collecting.In second of possible implementation, fingerprint Identification sensor 110 includes collection Region and non-acquired region, pressure sensor 120 are arranged in the lower section of transparent cover plate 140 and the top in non-acquired region, by Fingerprint is gathered in pickup area in 110 meetings of fingerprint Identification sensor, therefore, the pressure for being arranged in the top in non-acquired region passes Sensor 120 does not interfere with fingerprint collecting.In the third possible implementation, according to the type of fingerprint Identification sensor 110 The definite pressure sensor 120 for not influencing fingerprint collecting, for example, when fingerprint Identification sensor 110 is that optical fingerprint identification passes During sensor device, pressure sensor 120 is transparent material so that light can penetrate pressure sensor 120, in order to fingerprint recognition Sensor 110 gathers fingerprint;When fingerprint Identification sensor 110 is capacitance type fingerprint identification sensor, pressure sensor 120 is Isolation material, to ensure that pressure sensor 120 does not interfere with actual capacitance value caused by user's operation, in order to fingerprint recognition Sensor 110 gathers fingerprint;When fingerprint Identification sensor is ultrasonic type fingerprint Identification sensor, pressure sensor 120 Uniform in material and bubble-free, the direction of propagation will not be changed when ensureing that sound wave is propagated in pressure sensor 120, in order to fingerprint Identification sensor 110 gathers fingerprint.

Need to consume certain power consumption since fingerprint Identification sensor 110 is continuously in working status, cause 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 to use 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.Further, since control unit 130, which is continuously in working status, needs consumption one Fixed power consumption, causes the wasting of resources, therefore, can be when that need not use control unit 130, and control unit 130 is in dormancy State;When needing to use control unit 130, control unit 130 is in running order, wherein, the state of control unit 130 by The pressure parameter and the comparative result of predetermined parameter threshold that pressure sensor 120 collects determine.

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

When control unit 130 determines the pressure for acting on the operation on transparent cover plate 140 that pressure sensor 120 collects When parameter exceedes predetermined parameter threshold, fingerprint Identification sensor 110 is in running order under control of a control unit 130.

When fingerprint Identification sensor 110 and pressure sensor 120 are electrical connected with control unit 130 respectively, pressure passes Processing unit is provided with sensor 120, which is used to determine to act on the pressure ginseng of the operation on transparent cover plate 140 When number exceedes predetermined parameter threshold, control unit 130 is waken up, fingerprint Identification sensor 110 is waken up by control unit 130.Or Person,

When pressure sensor 120 is electrical connected with fingerprint Identification sensor 110 and control unit 130 respectively, pressure passes Processing unit is provided with sensor 120, which is used to determine to act on the pressure ginseng of the operation on transparent cover plate 140 When number exceedes predetermined parameter threshold, control unit 130 is waken up, control unit 130 passes through the forwarding capability of pressure sensor 120 again Wake up fingerprint Identification sensor 110.

When fingerprint Identification sensor 110 is electrical connected with pressure sensor 120 and control unit 130 respectively, first In the possible implementation of kind, processing unit is provided with pressure sensor 120, which is used to determine to act on When the pressure parameter of operation on bright cover board 140 exceedes predetermined parameter threshold, send wake-up to fingerprint Identification sensor 110 and refer to Order, fingerprint Identification sensor 110 is transmitted to control unit 130 by instruction is waken up, by waking up wake instruction control unit 130; In second of possible implementation, processing unit is provided with fingerprint Identification sensor 110, which is used to receive The pressure parameter that pressure sensor 120 is sent, and when definite pressure parameter exceedes predetermined parameter threshold, wake up control unit 130.Alternatively,

Regardless of the connection relation between pressure sensor 120, fingerprint Identification sensor 110 and control unit 130, pressure Processing unit is both provided with force snesor 120 and fingerprint Identification sensor 110.

Wherein, processing unit can be MCU or other units, the present embodiment are not construed as limiting.

When realizing, when fingerprint Identification sensor 110 is electrical connected with control unit 130, control unit 130 directly will Wake up instruction and be sent to fingerprint Identification sensor 110;When fingerprint Identification sensor 110 and pressure sensor 120 are electrical connected, and When not being electrical connected with control unit 130, control unit 130 is sent to pressure sensor 120, pressure sensor by instruction is waken up 120 are transmitted to fingerprint Identification sensor 110 by instruction is waken up.

When control unit 130 determines the pressure for acting on the operation on transparent cover plate 140 that pressure sensor 120 collects When parameter is not less than predetermined parameter threshold, fingerprint Identification sensor 110 is under control of a control unit 130 in a dormant state.

Wherein, when pressure sensor 120 collects pressure parameter and the pressure parameter is not less than predetermined parameter threshold, no Control unit 130 is waken up, that is, control unit 130 does not wake up fingerprint Identification sensor 110.

In the present embodiment, when pressure sensor 120 is at least two, each pressure sensor 120 is all located at fingerprint knowledge The lower section of individual sensor 110.Or, each pressure sensor 120 is all located at the top of fingerprint Identification sensor 110, and it is all located at The lower section of transparent cover plate 140.

When pressure sensor 120 is at least two, each pressure sensor 120, which can collect, acts on transparency cover The pressure parameter of operation on plate 140, the pressure sensor 120 of the diverse location pressure parameter collected to same operation Type is identical and numerical value is different.For example, the pressure parameter that the pressure sensor 120 of diverse location gathers all is effect dynamics, or, The pressure parameter that the pressure sensor 120 of diverse location gathers all is pressure duration, or, the pressure sensor of diverse location The pressure parameter of 120 collections is all instantaneous pressure change.

In processing pressure parameter, if being provided with processing unit in pressure sensor 120, can be by processing unit at Each pressure parameter is managed, then handling result is directly or indirectly sent to control unit 130;If do not set in pressure sensor 120 Processing unit is equipped with, then each pressure parameter is sent to the processing list in fingerprint Identification sensor 110 by pressure sensor 120 Handling result, by each pressure parameter of processing unit processes, then is directly or indirectly sent to control unit 130 by member.

Illustrated below by taking processing unit processes pressure parameter as an example, then in the first possible processing mode, place The weighted average that unit calculates each pressure parameter is managed, obtains average value, and the average value is compared with predetermined parameter threshold Compared with definite to wake up fingerprint Identification sensor 110 by control unit 130 when the average value exceedes predetermined parameter threshold;When this When average value is not less than predetermined parameter threshold, determine not waking up fingerprint Identification sensor 110.In second of possible processing mode In, processing unit is predetermined when exceeding there are some pressure parameter one by one by pressure parameter compared with predetermined parameter threshold During parameter threshold, determine to wake up fingerprint Identification sensor 110 by control unit 130;When all pressure parameters all not less than During predetermined parameter threshold, determine not waking up fingerprint Identification sensor 110.

After processing unit obtains pressure parameter more than the comparative result of predetermined parameter threshold, then directly or indirectly by generation Wake up instruction and be sent to control unit 130, at this time, control unit 130, for what is gathered at least two pressure sensors 120 The average value of all pressure parameters exceedes predetermined parameter threshold, or, all pressure ginseng of at least two pressure sensors 120 collection When exceeding predetermined parameter threshold there are at least one pressure parameter in number, control fingerprint Identification sensor 110 is in running order.

The side view of touch key-press shown in please referring to Fig.2, touch key-press further include:It is electrical connected with control unit 130 And it is located at the touch recognition unit 150 of the lower section of transparent cover plate 140, between touch recognition unit 150 and pressure sensor 120 Distance is less than predetermined distance threshold;

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

When control unit 130 determines the pressure for acting on the operation on transparent cover plate 140 that pressure sensor 120 collects Parameter determines that touch recognition unit 150 collects the capacitance of operation not less than predetermined parameter threshold, or, control unit 130 More than predetermined capacitance threshold value, or, control unit 130 determines that what pressure sensor 120 collected acts on transparent cover plate 140 The pressure parameter of operation collects the capacitance of operation not less than predetermined not less than predetermined parameter threshold and touch recognition unit 150 During capacitance 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.Wherein, Touch recognition unit 150 can be electrical connected with control unit 130, can also be with fingerprint Identification sensor 110 or pressure sensing Device 120 is electrical connected.

Touch recognition unit 150 is located at the lower section of transparent cover plate 140, the present embodiment do not limit touch recognition unit 150 with Rankine-Hugoniot relations between fingerprint Identification sensor 110 and pressure sensor 120.For example touch recognition unit 150 is located at fingerprint knowledge The lower section of individual sensor 110 and the top for being located at pressure sensor 120, or, fingerprint Identification sensor are located at fingerprint recognition sensing The lower section of device and arranged in the horizontal direction with pressure sensor;Or, touch recognition unit 150 is located under pressure sensor 120 Just and it is located at the top of fingerprint Identification sensor 110, touch recognition unit 150 will not influence fingerprint Identification sensor at this time 110 collection fingerprints;Or, touch recognition unit 150 is located at the lower section of pressure sensor and with fingerprint Identification sensor 110 along level Direction arrangement etc..Please refer to Fig.2, the touch recognition unit 150 in Fig. 2 is located at the lower section of fingerprint Identification sensor 110, and with pressure Force snesor 120 arranges in the horizontal direction.

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 predetermined distance threshold so that use Contact area of the family when performing operation between transparent cover plate 140 be able to can also not only be covered with overburden pressure sensor 120 Touch recognition unit 150, so as to ensure that touch recognition unit 150 can collect the capacitance of this operation.Wherein, touch and know Other unit 150 can realize the acquisition principle of capacitance by ripe correlation technique, not repeat herein.

When pressure sensor 120 collects pressure parameter and pressure parameter exceedes predetermined parameter threshold, determine to receive The operation on transparent cover plate 140 is acted on, when touch recognition unit 150 collects capacitance and capacitance exceedes predetermined capacitance threshold During value, it is user's triggering to determine the operation, rather than due to the external force triggering such as weight shock, passes through control unit at this time 130 wake up fingerprint Identification sensor 110, and wake-up mode refers to foregoing description, do not repeat herein.When pressure sensor 120 gathers When exceeding predetermined parameter threshold to pressure parameter and pressure parameter, determine to receive the operation acted on transparent cover plate 140, when Touch recognition unit 150 does not collect capacitance or the capacitance collected not less than predetermined capacitance threshold value, determines that the operation is Due to the external force triggering such as weight shock, do not pass through control unit 130 at this time and wake 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 are arranged respectively It is listed in the lower section of transparent cover plate so that control unit determines the operation acted on transparent cover plate that pressure sensor collects When pressure parameter exceedes predetermined parameter threshold, fingerprint Identification sensor is in running order under the control of the control unit, due to Pressure sensor can be detected by pressure parameter and operated, and certain stroke pressing physics is moved without fingerprint Identification sensor Button operates to detect, and therefore, there is no need to the perforate on transparent cover plate, solving the perforate on transparent cover plate causes transparent cover plate Intensity decline the problem of, reached improve transparent cover plate intensity effect;Also, fingerprint is controlled to know by pressure sensor Individual sensor is in running order, solves the problems, such as that fingerprint Identification sensor is continuously in working status and causes the wasting of resources, The effect for saving resource is reached.

In addition, when the pressure parameter for acting on the operation on transparent cover plate that pressure sensor collects exceedes predefined parameter Threshold value, and when touch recognition unit collects the capacitance of operation and exceedes predetermined capacitance threshold value, fingerprint Identification sensor is controlling It is in running order under the control of unit, it can recognize whether to operate by pressure sensor, and pass through touch recognition Unit identifies whether the operation is that user triggers, and solves the behaviour for the operation such as hitting and be mistakenly considered user's triggering weight The problem of making, causing operation identification mistake, has reached the effect for the accuracy for improving operation identification.

Fig. 3 is a kind of flow chart of fingerprint identification method according to an exemplary embodiment, the fingerprint identification method Applied in the terminal comprising the 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 parameter of the operation of user's triggering is gathered.

In step 302, detect whether the pressure parameter exceedes predetermined parameter threshold.

In step 303, when the pressure parameter exceedes predetermined parameter threshold, the fingerprint of user is gathered according to the operation.

In conclusion the fingerprint identification method that the disclosure provides, the pressure parameter of the operation triggered by gathering user, inspection Survey whether the pressure parameter exceedes predetermined parameter threshold, when the pressure parameter exceedes predetermined parameter threshold, adopted according to the operation Collect the fingerprint of user, can determine whether to gather fingerprint by pressure parameter, solve fingerprint Identification sensor and be continuously in work The problem of causing the wasting of resources as state, has reached the effect for saving 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 the 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 parameter of the operation of user's triggering is gathered.

In the present embodiment, the pressure parameter of the pressure sensor acquisition operations in touch key-press can be passed through.Wherein, pressure Parameter is the parameter that pressure sensor is collected when acting on pressure sensor, can be operation effect dynamics, Pressure duration, instantaneous pressure change etc., the present embodiment is not construed as limiting.

In step 402, detect whether the pressure parameter exceedes predetermined parameter threshold.

Terminal reads the pressure parameter that pressure sensor collects, and when pressure parameter is one, terminal directly presses this Force parameter is compared with predetermined parameter threshold, when the definite pressure parameter exceedes predetermined parameter threshold, perform step 403 or 404;When the definite pressure parameter is not less than predetermined parameter threshold, the operation is not responding to.Wherein, the parameter of predetermined parameter threshold Type is identical with the parameter type of pressure parameter.For example, when pressure parameter is effect dynamics, predetermined parameter threshold is active force Spend threshold value;When pressure parameter is pressure duration, predetermined parameter threshold is pressure duration threshold value;When pressure parameter is When instantaneous pressure changes, predetermined parameter threshold is instantaneous pressure change threshold.

When pressure parameter is at least two, whether detection pressure parameter exceedes predetermined parameter threshold, including:Calculate all Whether the average value of pressure parameter, detection average value exceed predetermined parameter threshold;Or, it whether there is in all pressure parameters of detection At least one pressure parameter exceedes predetermined parameter threshold.

In the first possible processing mode, terminal calculates the weighted average of each pressure parameter, obtains average value, and By the average value compared with predetermined parameter threshold, when the average value exceedes predetermined parameter threshold, determine that pressure parameter surpasses Predetermined parameter threshold is crossed, performs step 403 or 404;When the average value is not less than predetermined parameter threshold, determine pressure parameter not More than predetermined parameter threshold, the operation is not responding to.

In second of possible processing mode, terminal one by one by pressure parameter compared with predetermined parameter threshold, when When exceeding predetermined parameter threshold there are some pressure parameter, determine that pressure parameter exceedes predetermined parameter threshold, perform step 403 Or 404;When all pressure parameters are all not less than predetermined parameter threshold, pressure parameter is determined not less than predetermined parameter threshold, It is not responding to the operation.

In step 403, when the pressure parameter exceedes predetermined parameter threshold, the fingerprint of user is gathered according to the operation.

When on fingerprint Identification sensor is located at pressure sensor or under pressure sensor, user is performing behaviour Contact area when making between terminal not only can also cover fingerprint Identification sensor, at this time with overburden pressure sensor Fingerprint Identification sensor can directly gather the corresponding fingerprint of this operation.

In step 404, when terminal further includes touch recognition unit, the capacitance of acquisition operations;Detect the capacitance Whether predetermined capacitance threshold value is exceeded;When the capacitance exceedes predetermined capacitance threshold value, and pressure parameter exceedes predetermined parameter threshold, The fingerprint of user is gathered according to the operation.

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

After terminal gets capacitance, detect whether the capacitance exceedes predetermined capacitance threshold value, and detect pressure parameter to be It is no to exceed predetermined parameter threshold, when the capacitance exceedes predetermined capacitance threshold value and the pressure parameter exceedes predetermined capacitance threshold value, Determine to wake up the fingerprint corresponding to fingerprint Identification sensor acquisition operations;When pressure parameter is not less than predetermined parameter threshold, Huo, electricity Capacitance is not less than predetermined capacitance threshold value, or, pressure parameter is not less than predetermined parameter threshold and capacitance is not less than predetermined capacitance threshold Value, determines not wake up fingerprint Identification sensor.

In conclusion the fingerprint identification method that the disclosure provides, the pressure parameter of the operation triggered by gathering user, inspection Survey whether the pressure parameter exceedes predetermined parameter threshold, when the pressure parameter exceedes predetermined parameter threshold, adopted according to the operation Collect the fingerprint of user, can determine whether to gather fingerprint by pressure parameter, solve fingerprint Identification sensor and be continuously in work The problem of causing the wasting of resources as state, has reached the effect for saving resource.

In addition, the capacitance for passing through acquisition operations;Whether detection capacitance exceedes predetermined capacitance threshold value;When capacitance exceedes The step of predetermined capacitance threshold value, and when pressure parameter exceedes predetermined parameter threshold, triggering performs the fingerprint of collection user, Ke Yishi Whether the operation is not that user triggers, and solves the operation that the operations such as weight shock are mistakenly considered to user's triggering, causes to grasp The problem of making identification mistake, has reached the effect for the accuracy for improving operation identification.

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

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

The integrated operation of the usual control device 500 of processing component 502, such as with display, call, data communication, phase The operation that machine operates and record operation is associated.Processing component 502 can refer to including one or more processors 518 to perform Order, to complete all or part of step of above-mentioned method.In addition, processing component 502 can include one or more modules, just Interaction between processing component 502 and other assemblies.For example, processing component 502 can 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 the instruction of any application program or method for operating on device 500, and contact data, 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 Close and realize, as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) are erasable to compile Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (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 can include power management system System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 500.

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 can 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, slip and touch panel.The touch sensor can not only sense touch or sliding action Border, but also detect and the duration and pressure associated with the touch or slide operation.In certain embodiments, more matchmakers Body component 508 includes a front camera and/or rear camera.Multimedia component 508 is additionally included 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 parameter of operation, and pressure parameter is sent to processing component 502, in treatment group Part 502 determines to control fingerprint Identification sensor in running order when the pressure parameter exceedes predetermined parameter threshold, alternatively, this is touched Touching button includes fingerprint Identification sensor, pressure sensor and touch recognition unit, and pressure sensor can sense operation Pressure parameter, is sent to processing component 502, touch recognition unit can sense the capacitance of operation, by electricity by pressure parameter Capacitance is sent to processing component 502, and determines that the pressure parameter exceedes predetermined parameter threshold and the capacitance in processing component 502 Fingerprint Identification sensor in running order, in running order fingerprint Identification sensor is controlled during more than predetermined capacitance threshold value Provide fingerprint recognition to the user.

When device 500 is in operator scheme, during such as screening-mode or video mode, front camera and/or postposition shooting Head can receive the multi-medium data of outside.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 operator scheme, during 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 certain embodiments, audio component 510 further includes a loudspeaker, 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 component 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented Estimate.For example, sensor component 514 can detect opening/closed mode 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 component 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 component 514 can include proximity sensor, be configured to detect without any physical contact Presence of nearby objects.Sensor component 514 can also include optical sensor, such as CMOS or ccd image sensor, for into As being used in application.In certain 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 combinations 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 junction service.Example Such as, in NFC module radio frequency identification (RFID) technology can be based on, 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), numeral 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 performing the above method.

In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided Such as include the memory 504 of instruction, above-metioned instruction can be performed to complete the above method by the processor 518 of device 500.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 change of answering property follows the general principle of the disclosure and including the undocumented common knowledge or used in the art of the disclosure Use technological means.Description and embodiments are considered only as exemplary, and the true scope and spirit of the disclosure are by following right It is required that point out.

It should be appreciated 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 appended claim.

Claims (7)

1. a kind of touch key-press, it is characterised 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 separately on the lower section of transparent cover plate, and the fingerprint recognition passes At least one and described control unit in sensor and the pressure sensor is electrical connected;
When described control unit determines the pressure for acting on the operation on the transparent cover plate that the pressure sensor collects When parameter exceedes predetermined parameter threshold, the fingerprint Identification sensor is in running order under the control of described control unit;
When described control unit determines the pressure for acting on the operation on the transparent cover plate that the pressure sensor collects When parameter is not less than the predetermined parameter threshold, the fingerprint Identification sensor is in dormancy under the control of described control unit State;
The touch key-press further includes:It is electrical connected with described control unit and the touch positioned at the lower section of the transparent cover plate is known Other unit, the distance between the touch recognition unit and the pressure sensor are less than predetermined distance threshold;
When described control unit determines the pressure for acting on the operation on the transparent cover plate that the pressure sensor collects Parameter exceedes the predetermined parameter threshold, and described control unit determines that the touch recognition unit collects the electricity of the operation When capacitance exceedes 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 pressure for acting on the operation on the transparent cover plate that the pressure sensor collects Parameter determines that the touch recognition unit collects the operation not less than the predetermined parameter threshold, or, described control unit Capacitance not less than predetermined capacitance threshold value, or, described control unit determines that what the pressure sensor collected acts on institute The pressure parameter for stating the operation on transparent cover plate collects institute not less than the predetermined parameter threshold and the touch recognition unit When stating the capacitance of operation not less than predetermined capacitance threshold value, the fingerprint Identification sensor is located under the control of described control unit In resting state.
2. touch key-press according to claim 1, it is characterised in that
The pressure sensor is arranged in the lower section of the transparent cover plate, and the fingerprint Identification sensor is arranged in the pressure The lower section of sensor;Or,
The fingerprint Identification sensor is arranged in the lower section of the transparent cover plate, and the pressure sensor is arranged in the fingerprint The lower section of identification sensor.
3. touch key-press according to claim 2, it is characterised in that the fingerprint Identification sensor include pickup area and Non-acquired region, the pressure sensor are arranged in the lower section of the transparent cover plate and the top in the non-acquired region.
4. touch key-press according to claim 1, it is characterised in that
The fingerprint Identification sensor and the pressure sensor are electrical connected with described control unit respectively;Or,
The fingerprint Identification sensor is electrical connected with the pressure sensor and described control unit respectively;Or,
The pressure sensor is electrical connected with the fingerprint Identification sensor and described control unit respectively.
5. touch key-press according to claim 1, it is characterised in that the pressure sensor is at least two,
Described control unit, the average value of all pressure parameters for being gathered at least two pressure sensor exceed institute State predetermined parameter threshold, or, there are at least one pressure in all pressure parameters of at least two pressure sensor collection When parameter exceedes the predetermined parameter threshold, control the fingerprint Identification sensor in running order.
6. a kind of fingerprint identification method, it is characterised in that to contain such as the touch key-press as described in claim 1 to 5 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 separately on the lower section of transparent cover plate, the fingerprint Identification sensor and the pressure sensor In it is at least one be electrical connected with described control unit, the described method includes:
Gather the pressure parameter of the operation of user's triggering;
Detect whether the pressure parameter exceedes predetermined parameter threshold;
When the pressure parameter exceedes the predetermined parameter threshold, the fingerprint of the user is gathered according to the operation;
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 predetermined distance threshold, described Method, further includes:
Gather the capacitance of the operation;
Detect whether the capacitance exceedes predetermined capacitance threshold value;
When the capacitance exceedes the predetermined capacitance threshold value, and the pressure parameter exceedes the predetermined parameter threshold, touch Hair performs the step of fingerprint of the collection user.
7. according to the method described in claim 6, it is characterized in that, when the pressure parameter be at least two when, the detection Whether the pressure parameter exceedes predetermined parameter threshold, including:
The average value of all pressure parameters is calculated, detects whether the average value exceedes the predetermined parameter threshold;Or,
Detect in all pressure parameters and exceed the predetermined parameter threshold with the presence or absence of at least one pressure parameter.
CN201510544116.6A 2015-08-28 2015-08-28 Touch key-press and fingerprint identification method CN105138171B (en)

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