CN105278655A - Control method and device of fingerprint sensor - Google Patents
Control method and device of fingerprint sensor Download PDFInfo
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- CN105278655A CN105278655A CN201510742938.5A CN201510742938A CN105278655A CN 105278655 A CN105278655 A CN 105278655A CN 201510742938 A CN201510742938 A CN 201510742938A CN 105278655 A CN105278655 A CN 105278655A
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Abstract
The present invention discloses a control method and device of a fingerprint sensor. The control method comprises a step of obtaining a first distance through the first proximity sensor in the mobile terminal, wherein the first distance is the distance between a target object and the terminal, and a step of controlling the fingerprint sensor to enter a sleep state if the first distance is smaller than a predetermined threshold value. According to the control method and the device, the distance between the target object and the terminal is obtained through the proximity sensor, the fingerprint sensor is controlled according to the distance, the problem of battery consumption caused by fingerprint identification due to a wrong operation is solved, and the effect of improved battery use efficiency is realized.
Description
Technical field
The embodiment of the present invention relates to electronic apparatus application technology, particularly relates to a kind of control method and device of fingerprint sensor.
Background technology
Nowadays all multiple terminalss of people's use, as smart mobile phone, panel computer etc., in order to improve the security of terminal, being configured with fingerprint sensor, for unlocked by fingerprint, or in related application, paying for fingerprint.Such as, when mobile phone be in put out screen state time, user can by touch fingerprint sensor carry out waken system, and unlock enter application interface.
When fingerprint sensor is used for unlock terminal, usually when terminal puts out screen, fingerprint sensor keeps duty, prepares the touch input obtaining user at any time.Such as, but may occur the situation of the waken system because of maloperation, mobile phone is placed in trouser pocket by user, fingerprint sensor may constantly contact with leg, and this will ceaselessly waken system, carries out fingerprint recognition, thus the consumption causing end cell unnecessary.
Summary of the invention
The invention provides a kind of control method and device of fingerprint sensor, to realize the battery consumption avoiding the fingerprint recognition caused because of maloperation to cause.
First aspect, embodiments provides a kind of control method of fingerprint sensor, comprising:
Obtain the first distance by the first proximity transducer in mobile terminal, described first distance is the distance between target object and terminal;
If described first distance is less than predetermined threshold value, then controls described fingerprint sensor and enter dormant state.
Second aspect, the embodiment of the present invention additionally provides a kind of control device of fingerprint sensor, comprising:
First distance acquiring unit, for obtaining the first distance by the first proximity transducer in mobile terminal, described first distance is the distance between target object and terminal;
Fingerprint sensor first control module, if be less than predetermined threshold value for described first distance of described first distance acquiring unit acquisition, then control described fingerprint sensor and enters dormant state.
The present invention obtains the distance between target object and terminal by proximity transducer, and according to described distance controlling fingerprint sensor, solves the problem of the battery consumption that the fingerprint recognition that causes because of maloperation causes, realizes the effect improving battery availability factor.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the control method of a kind of fingerprint sensor in the embodiment of the present invention one;
Fig. 2 is the process flow diagram of the control method of another kind of fingerprint sensor in the embodiment of the present invention one;
Fig. 3 is the first proximity transducer in the embodiment of the present invention one and the layout schematic diagram of fingerprint sensor in terminal;
Fig. 4 is the process flow diagram of the control method of a kind of fingerprint sensor in the embodiment of the present invention two;
Fig. 5 is the process flow diagram of the control method of a kind of fingerprint sensor in the embodiment of the present invention three;
Fig. 6 is the first proximity transducer in the embodiment of the present invention three and the layout schematic diagram of the second proximity transducer in terminal;
Fig. 7 is the process flow diagram of the control method of another kind of fingerprint sensor in the embodiment of the present invention three;
Fig. 8 is the process flow diagram of the control method of a kind of fingerprint sensor in the embodiment of the present invention four;
Fig. 9 is the structural representation of the control device of a kind of fingerprint sensor in the embodiment of the present invention five;
Figure 10 is the structural representation of the control device of another kind of fingerprint sensor in the embodiment of the present invention five;
Figure 11 is the structural representation of the control device of another kind of fingerprint sensor in the embodiment of the present invention five.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The process flow diagram of the control method of a kind of fingerprint sensor that Fig. 1 provides for the embodiment of the present invention one, the present embodiment is applicable to the situation avoiding fingerprint recognition maloperation, and the method can be performed by the control device of fingerprint sensor, specifically comprises the steps:
Step 110, obtain the first distance by the first proximity transducer in mobile terminal, the first distance is the distance between target object and terminal.
Wherein, the first proximity transducer is configured in terminal, and for obtaining the distance between target object and terminal, the distance between the target object that the first proximity transducer gets and terminal is the first distance.Example, target object can be the diaper of trousers or clothes.
Concrete, as shown in Figure 2, step 110, obtain the first distance by the first proximity transducer, specifically comprise:
Step 111, by first proximity transducer launch infrared signal.
Step 112, the infrared signal returned by the first proximity transducer receiving target object.
Step 113, the signal intensity of infrared signal returned according to target object determine the first distance.
Wherein, the first proximity transducer device that terminal configures is infrared proximity transducer, and infrared proximity transducer comprises: infrared signal emitter and infrared signal receiving apparatus.First, continue to launch Infrared by infrared signal emitter, when there being target object close to terminal, target object will reflect back the Infrared that infrared signal emitter sends, infrared signal receiving apparatus receives the infrared signal that object returns, and mate with preset strength interval according to the intensity of the infrared signal received, the distance between the interval corresponding object of preset strength and terminal.Determine that the preset strength of the strength matching of the infrared signal received with infrared receiving device is interval, the distance of target object and terminal can be determined.
If step 120 first distance is less than predetermined threshold value, then controls fingerprint sensor and enter dormant state.
Wherein, predetermined threshold value sets in terminal system, and the first distance obtained when the first proximity transducer is less than this predetermined threshold value, then control fingerprint sensor and enter dormant state.The dormant state of fingerprint sensor is fingerprint sensor temporary close, and touch is not to external world made a response, and namely touching fingerprint sensor can not waken system, carries out fingerprint recognition.
Preferably, the first proximity transducer and fingerprint sensor are arranged in the Different Plane of terminal, or when the first proximity transducer and fingerprint sensor are arranged in same plane, distance is between the two greater than predetermined threshold value, and predetermined threshold value is preferably 1 centimetre.Example, as shown in Figure 3, the first proximity transducer is positioned at the front upper portion of smart mobile phone, and fingerprint sensor is positioned at lower end, front.When smart mobile phone loads in the pocket of trousers by user, the diaper of smart mobile phone and trouser pocket sticks together, distance is between the two less than 1 centimetre, the predetermined threshold value that the distance that first proximity transducer gets is less than 1 centimetre, so control fingerprint sensor to enter dormant state, namely fingerprint recognition is not carried out to touch, terminal can not be waken up by fingerprint sensor, avoiding smart mobile phone is contained in trouser pocket, continuous waken system is created because of contact leg skin, carry out fingerprint recognition and the unnecessary consumption of the battery caused, save the electricity of battery, extend the serviceable life of battery.The control method of this fingerprint sensor obtains the first distance of target object and terminal by the first proximity transducer, and according to the relation of the first Distance geometry predetermined threshold value, controls fingerprint sensor.When the close together of target object and terminal, illustrate that object may false triggering fingerprint sensor, and waken system, cause the maloperation of fingerprint recognition.In this case, make fingerprint sensor enter maloperation that dormant state will avoid occurring fingerprint recognition.
The technical scheme of the present embodiment, obtains the first distance by the first proximity transducer, by the first distance controlling fingerprint sensor, solves the problem of the battery consumption that the fingerprint recognition that causes because of maloperation causes, and realizes the effect improving battery availability factor.
Embodiment two
The process flow diagram of the control method of a kind of fingerprint sensor that Fig. 4 provides for the embodiment of the present invention two, the technical scheme that the present embodiment provides optimizes further on the basis of the technical scheme of above-described embodiment, if be less than predetermined threshold value in step 120 first distance, after then control fingerprint sensor enters dormant state, also comprise the steps:
If step 130 first distance is more than or equal to predetermined threshold value, then controls fingerprint sensor and enter duty.
Distance between target object and terminal is less than predetermined threshold value, control fingerprint sensor and enter dormant state, after this, distance between the target object got when proximity transducer and terminal is more than or equal to predetermined threshold value, show that target object is close afterwards with terminal, again away from terminal, and the distance of target object and terminal is not less than predetermined threshold value, now, control fingerprint sensor and enter duty.The duty of fingerprint sensor is that fingerprint sensor is in opening, prepares to carry out fingerprint recognition operation, and namely fingerprint sensor has corresponding reflection to touch, by fingerprint sensor waken system, carries out the operation of fingerprint recognition.
Example, predetermined threshold value is 1 centimetre, and smart mobile phone is loaded trouser pocket by user, and the distance between the diaper of pocket and smart mobile phone remains within 1 centimetre, then fingerprint sensor enters dormant state, and now smart mobile phone is not by fingerprint sensor waken system.When smart mobile phone takes out by user from trouser pocket, object is not had in proximity transducer predetermined threshold value on smart mobile phone, its distance got is higher than predetermined threshold value, then the fingerprint sensor controlled on smart mobile phone enters duty, now user's finger touch or can waken system from fingerprint sensor surface sliding, when fingerprint recognition coupling, application interface can be entered.
The technical scheme of the present embodiment, obtained the distance of target object and terminal by the first proximity transducer, when the distance of target object and terminal meets or exceeds predetermined threshold value, make fingerprint sensor enter duty, facilitate user to wake terminal up by fingerprint sensor, enter application interface.
Embodiment three
The process flow diagram of the control method of a kind of fingerprint sensor that Fig. 5 provides for the embodiment of the present invention three, the technical scheme that the present embodiment provides optimizes further on the basis of the technical scheme of above-described embodiment, if be less than predetermined threshold value in step 120 first distance, before then control fingerprint sensor enters dormant state, also comprise the steps:
Step 140, by mobile terminal second proximity transducer obtain second distance, the distance between the second proximity transducer and the first proximity transducer is greater than predetermined threshold value.
Wherein, second distance is the distance between target object and the second proximity transducer got by the second proximity transducer, second proximity transducer and the first proximity transducer have infrared signal emitter and infrared signal receiving apparatus equally, and by infrared signal emitter and the distance between infrared signal receiving apparatus determination target object and the second proximity transducer.
Accordingly, if step 120 first distance is less than predetermined threshold value, then controls fingerprint sensor and enter dormant state, comprising:
If step 150 first Distance geometry second distance is all less than predetermined threshold value, then controls fingerprint sensor and enter dormant state.
Wherein, the second proximity transducer is set, can and the first proximity transducer coordinate the position relationship determining between target object and terminal.When a part for terminal is blocked, when being less than predetermined threshold value when the first Distance geometry second distance is different, fingerprint sensor can not being controlled and enter dormant state.And the distance between the first proximity transducer and the second proximity transducer is greater than predetermined threshold value, can avoid because the first proximity transducer and the second proximity transducer spacing too small, cause both obtain distance signals consistent.Preferably, the distance of the first proximity transducer and the second proximity transducer is greater than predetermined threshold value, or by the first proximity transducer and the second proximity sensor arrangement in the Different Plane of terminal.Fingerprint sensor can be arranged in front or the reverse side of terminal.
Example, as shown in Figure 6, the first proximity transducer and the second proximity transducer are positioned on the same face of terminal, and the first proximity transducer is positioned at the front upper portion of terminal, and the second proximity transducer is positioned at the lower end, front of terminal.Or the first proximity transducer and the second proximity transducer are positioned on the not coplanar of terminal.First proximity transducer is positioned at the lower end, front of terminal, and the second proximity transducer is positioned at the reverse side lower end of terminal.Again or, the first proximity transducer is positioned at the lower end, front of terminal, and the second proximity transducer is positioned at the reverse side upper end of terminal.Again or, the first proximity transducer is positioned on the side a of terminal, and the second proximity transducer is positioned on the side b of terminal, and side a and side b is any two different sides, and preferred a is top margin, and b is base.Fingerprint sensor can be arranged in front upper portion or the reverse side upper end of terminal.
Further, as shown in Figure 7, after step 140, also comprise:
If step 160 first Distance geometry second distance is all less than predetermined threshold value, and receives default triggering command, then controls fingerprint sensor and enter duty.
Default triggering command is event terminal occurring priority is higher, when there is the higher event of priority, even if the first Distance geometry second distance is all less than predetermined threshold value, also force start fingerprint sensor, control fingerprint sensor and enter duty, so that unlock terminal, enter related application interface fast.If user does not process receiving default triggering command, so when default triggering command stops, be initial with the default triggering command stop timing, according to default delay duration, keeping fingerprint sensor in running order, when reaching default delay duration, obtaining the first Distance geometry second distance by the first proximity transducer and the second proximity transducer, if the first Distance geometry second distance is all less than predetermined threshold value, then controls fingerprint sensor and enter dormant state.
Preferably, default triggering command comprises: access phone, receive note or receive mail.Default delay duration is 10 seconds.Example, smart mobile phone is contained in trouser pocket by user, the first Distance geometry second distance that first proximity transducer and the second proximity transducer obtain all is less than predetermined threshold value, fingerprint sensor enters dormant state, now receive the phone squeezed into, then control fingerprint sensor and enter duty, when accessing phone, smart mobile phone can with the mode reminding user of jingle bell and/or vibration, user can unlock smart mobile phone by fingerprint sensor while smart mobile phone is taken out from trouser pocket, conveniently receive calls, raise the efficiency.
The technical scheme of the present embodiment, fingerprint sensor is controlled by the first proximity transducer and the second proximity transducer, and when terminal receives default triggering command, control fingerprint sensor and enter duty, improve the effect controlling fingerprint sensor, improve the efficiency of unlock terminal when default triggering command occurs.
Embodiment four
The process flow diagram of the control method of a kind of fingerprint sensor that Fig. 8 provides for the embodiment of the present invention four, the technical scheme that the present embodiment provides is the preferred embodiment on the basis of the technical scheme of above-described embodiment, and the method specifically comprises the following steps:
Step 210, obtain the first distance by the first proximity transducer in mobile terminal.
Step 220, by mobile terminal second proximity transducer obtain second distance.
Step 230, judge whether the first Distance geometry second distance is all less than predetermined threshold value, if so, then perform step 240, if not, repeated execution of steps 230.
Step 240, control fingerprint sensor enter dormant state.
Step 250, judge whether to receive default triggering command, if so, then perform step 260, if not, repeated execution of steps 250.
Step 260, control fingerprint sensor enter duty.
Example, smart mobile phone configures the first proximity transducer and the second proximity transducer, and wherein the first proximity sensor arrangement is at front upper portion, and the second proximity sensor arrangement is in reverse side lower end.Fingerprint sensor is arranged in the front upper portion of smart mobile phone.First proximity transducer, the second proximity transducer and fingerprint sensor, distance between any two is all greater than predetermined threshold value, and wherein predetermined threshold value is 1 centimetre.Smart mobile phone is put into trouser pocket by user, be arranged in the first distance between the first proximity transducer acquisition pocket diaper of front upper portion and smart mobile phone, be arranged in the second distance between the second proximity transducer acquisition pocket diaper of reverse side lower end and smart mobile phone, first Distance geometry second distance is all less than 1 centimetre, therefore control fingerprint sensor and enter dormant state, avoid, because fingerprint sensor contacts waken system with leg, repeatedly carrying out fingerprint recognition, cause the consumption that battery is unnecessary.
If now there is phone to squeeze into, then controls fingerprint sensor and enter duty, user while being taken out from trouser pocket by smart mobile phone, can use fingerprint sensor to unlock smart mobile phone, receives calls.The operation that user receives calls can not be subject to fingerprint sensor and temporarily enter dormant state and the impact that cannot unlock smart mobile phone.
Embodiment five
The structural representation of the control device of a kind of fingerprint sensor that Fig. 9 provides for the embodiment of the present invention five, this fingerprint sensor control device comprises:
First distance acquiring unit 11, for obtaining the first distance by the first proximity transducer in mobile terminal, the first distance is the distance between target object and terminal.
Fingerprint sensor first control module 12, if be less than predetermined threshold value for the first distance of the first distance acquiring unit acquisition, then control described fingerprint sensor and enters dormant state.
Further, the first distance acquiring unit 11 comprises:
Infrared signal launches subelement 11a, for launching infrared signal by the first proximity transducer;
IR signal reception subelement 11b, for the infrared signal returned by the first proximity transducer receiving target object;
First distance determines subelement 11c, and the signal intensity for the infrared signal returned according to target object determines the first distance.
Wherein, proximity transducer is infrared proximity transducer, enclosed inside has infrared light emission device and infrared light receiving device, when object is near proximity transducer, object will send infrared portions proximity transducer and reflect, proximity transducer then receives this part infrared light, and the infrared light intensity received and preset strength interval is mated, and preset strength interval has corresponding distance corresponding.
Further, as shown in Figure 10, on the basis of above-mentioned fingerprint sensor control device, this device also comprises:
Fingerprint sensor second control module 13, if be more than or equal to predetermined threshold value for the first distance of the first distance acquiring unit acquisition, then control fingerprint sensor and enters duty.
Further, as shown in figure 11, on the basis of above-mentioned fingerprint sensor control device, this device also comprises:
Second distance acquiring unit 14, for obtaining second distance by the second proximity transducer in mobile terminal.
Wherein, the distance between the first proximity transducer and the second proximity transducer is greater than predetermined threshold value.
Accordingly, fingerprint sensor first control module 12, specifically for:
If the second distance that the first Distance geometry second distance acquiring unit that the first distance acquiring unit obtains obtains all is less than described predetermined threshold value, then controls fingerprint sensor and enter dormant state.
Further, on the basis of above-mentioned fingerprint sensor control device, this device also comprises:
Fingerprint sensor the 3rd control module 15, if the second distance obtained for the first Distance geometry second distance acquiring unit of the first distance acquiring unit acquisition is all less than predetermined threshold value, and receive default triggering command, then control fingerprint sensor and enter duty.
Said apparatus can perform the method that the embodiment of the present invention one to four provides, and possesses and performs the corresponding functional module of said method and beneficial effect.The not ins and outs of detailed description in the present embodiment, the method that can provide see the embodiment of the present invention one to four.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. a control method for fingerprint sensor, is characterized in that, comprising:
Obtain the first distance by the first proximity transducer in mobile terminal, described first distance is the distance between target object and terminal;
If described first distance is less than predetermined threshold value, then controls described fingerprint sensor and enter dormant state.
2. the control method of fingerprint sensor according to claim 1, is characterized in that, describedly obtains the first distance by the first proximity transducer, comprising:
Infrared signal is launched by described first proximity transducer;
By the infrared signal that described first proximity transducer receiving target object returns;
The signal intensity of the infrared signal returned according to described target object determines the first distance.
3. the control method of fingerprint sensor according to claim 1 and 2, is characterized in that, after the described fingerprint sensor of control enters dormant state, described method also comprises:
If described first distance is more than or equal to predetermined threshold value, then controls described fingerprint sensor and enter duty.
4. the control method of fingerprint sensor according to claim 1, is characterized in that, if be less than predetermined threshold value in described first distance, then control before described fingerprint sensor enters dormant state, described method also comprises:
Obtain second distance by the second proximity transducer in mobile terminal, the distance between described second proximity transducer and described first proximity transducer is greater than described predetermined threshold value;
Accordingly, if described first distance is less than predetermined threshold value, then controls described fingerprint sensor and enter dormant state, comprising:
If described first Distance geometry second distance is all less than described predetermined threshold value, then controls described fingerprint sensor and enter dormant state.
5. the control method of fingerprint sensor according to claim 4, is characterized in that, after obtaining second distance by the second proximity transducer, described method also comprises:
If described first Distance geometry second distance is all less than described predetermined threshold value, and receives default triggering command, then controls described fingerprint sensor and enter duty.
6. a control device for fingerprint sensor, is characterized in that, comprising:
First distance acquiring unit, for obtaining the first distance by the first proximity transducer in mobile terminal, described first distance is the distance between target object and terminal;
Fingerprint sensor first control module, if be less than predetermined threshold value for described first distance of described first distance acquiring unit acquisition, then control described fingerprint sensor and enters dormant state.
7. the control device of fingerprint sensor according to claim 6, is characterized in that, described first distance acquiring unit, comprising:
Infrared signal launches subelement, for launching infrared signal by described first proximity transducer;
IR signal reception subelement, for the infrared signal returned by described first proximity transducer receiving target object;
First distance determines subelement, and the signal intensity for the infrared signal returned according to described target object determines the first distance.
8. the control device of the fingerprint sensor according to claim 6 or 7, is characterized in that, described device also comprises:
Fingerprint sensor second control module, if be more than or equal to predetermined threshold value for described first distance of described first distance acquiring unit acquisition, then control described fingerprint sensor and enters duty.
9. the control device of fingerprint sensor according to claim 6, is characterized in that, described device also comprises:
Second distance acquiring unit, for obtaining second distance by the second proximity transducer in mobile terminal;
Distance between described second proximity transducer and described first proximity transducer is greater than described predetermined threshold value;
Accordingly, described fingerprint sensor first control module, specifically for:
If the described second distance that described in the first Distance geometry that described first distance acquiring unit obtains, second distance acquiring unit obtains all is less than described predetermined threshold value, then controls described fingerprint sensor and enter dormant state.
10. the control device of fingerprint sensor according to claim 9, is characterized in that, described device also comprises:
Fingerprint sensor the 3rd control module, if the described second distance obtained for second distance acquiring unit described in the first Distance geometry that described first distance acquiring unit obtains all is less than described predetermined threshold value, and receive default triggering command, then control described fingerprint sensor and enter duty.
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| CN108243277A (en) * | 2017-12-12 | 2018-07-03 | 惠州Tcl移动通信有限公司 | Mobile terminal and its control method, storage device |
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| CN109067983A (en) * | 2018-07-17 | 2018-12-21 | Oppo广东移动通信有限公司 | Information cuing method, storage medium and electronic equipment |
| CN111125661A (en) * | 2018-11-01 | 2020-05-08 | 广达电脑股份有限公司 | Electronic device and security method thereof |
| CN110286793B (en) * | 2019-06-26 | 2022-05-17 | Oppo广东移动通信有限公司 | Control method, electronic device, and non-volatile computer-readable storage medium |
| CN110286793A (en) * | 2019-06-26 | 2019-09-27 | Oppo广东移动通信有限公司 | Control method, electronic equipment and non-volatile computer readable storage medium storing program for executing |
| CN111400689A (en) * | 2020-03-25 | 2020-07-10 | Oppo广东移动通信有限公司 | Terminal unlocking method and device, storage medium and terminal |
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