CN105282320A - Control method of terminal and terminal - Google Patents
Control method of terminal and terminal Download PDFInfo
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- CN105282320A CN105282320A CN201510338209.3A CN201510338209A CN105282320A CN 105282320 A CN105282320 A CN 105282320A CN 201510338209 A CN201510338209 A CN 201510338209A CN 105282320 A CN105282320 A CN 105282320A
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Abstract
The invention relates to the electronic technical field and especially discloses a control method of a terminal. The control method comprises the steps of: sending an ultrasonic signal and obtaining sending time; receiving the ultrasonic signal and obtaining receiving time; according to the difference between the receiving time and the sending time, determining the distance of a detected object; and when the distance of the detected object is smaller than a preset threshold, controlling a screen of the terminal to be darkened or turned off. The invention further discloses the terminal which is controlled by the above method. According to the invention, on the premise that surface openings of the terminal are not added, the distance of the detected object is determined, and the screen of the terminal is controlled to be darkened or turned off.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of control method and terminal of terminal.
Background technology
Along with the development of terminal screen enlarging trend, the power consumption of present terminal depends on screen intensity and opening time usually, and the method for current control terminal brightness comprises infrared induction and light sensing.
When infrared induction is less than a set point by the distance detected between infrared sensor and measured object (normally face), close screen display timely, when distance is greater than this set point, the function of screen display can be opened again timely, solve the problem not needing when hand-held call or screen are blocked to show, reach the effect of power saving.
Light sensing by the lumen value of light-sensitive element measure ambient light, and increases screen intensity when surround lighting is stronger, weakens screen intensity, avoid the too much loss of electricity under low light environment when surround lighting is more weak.
But above-mentioned two schemes all needs to offer special opening to realize detecting on terminal shell, not only increases Modeling in Product cost, have impact on the integrated design of terminal, have impact on product expression power, reduce the experience of user simultaneously.
Summary of the invention
Need to offer special opening so that judge measured object distance for overcoming in prior art, with the problem of the screen operation that realizes secretly shielding or go out, the embodiment of the present invention provides a kind of control method of terminal on the one hand, comprising:
Send ultrasonic signal and obtain transmitting time;
Receive described ultrasonic signal and obtain time of reception;
According to the difference of described time of reception and transmitting time, determine measured object distance;
When described measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
On the other hand, the embodiment of the present invention additionally provides a kind of terminal, it is characterized in that, comprising:
Sending module, for sending ultrasonic signal and obtaining transmitting time;
Receiver module, for receiving described ultrasonic signal and obtaining time of reception;
Determination module, for the difference according to described time of reception and transmitting time, determines measured object distance;
Processing module, for when described measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
The embodiment of the present invention is by obtaining transmitting time and the time of reception of ultrasonic signal, and according to the difference of time of reception and transmitting time, determine measured object distance, because the transmission means of ultrasonic signal is different with the linear transmission mode of infrared signal, the transmitting terminal of ultrasonic signal and receiving terminal can have comparatively Large space, make the transmitting terminal of ultrasonic signal can share the openings such as the receiver of existing terminal, receiving terminal can share the openings such as the microphone of existing terminal, do not need additionally to offer the opening being specifically designed to detection, reduce Modeling in Product cost, the experience of user is improved while realizing product integrated design.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of the control method of terminal of the present invention;
Fig. 2 is the schematic flow sheet of the second embodiment of the control method of terminal of the present invention;
Fig. 3 is the structural representation of the first embodiment of terminal of the present invention;
Fig. 4 is the structural representation of the second embodiment of terminal of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1, be the schematic flow sheet of the first embodiment of the control method of terminal of the present invention, this control method comprises:
Step S11, sends ultrasonic signal and obtains transmitting time.
In the present embodiment, ultrasonic signal can be sent by ultrasound transmitter device, obtains transmitting time while sending.
Step S12, received ultrasonic signal also obtains time of reception.
In the present embodiment, ultrasonic signal can be received by ultrasonic wave receiving terminal, obtains time of reception while reception.
Step S13, according to the difference of time of reception and transmitting time, determines measured object distance.
In the present embodiment, determine that the method that measured object is illustrated can be:
According to formula
determine measured object distance.
Wherein, S represents measured object distance, and V is hyperacoustic speed under representing normal temperature, and T1 represents transmitting time, and T2 represents time of reception.
Step S14, when measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
When measured object distance is less than predetermined threshold value, judge the current crested of terminal screen, user does not need to watch screen, can secretly shield or the screen that goes out, to reduce the kwh loss of terminal by control terminal.
The embodiment of the present invention is by obtaining transmitting time and the time of reception of ultrasonic signal, and according to the difference of time of reception and transmitting time, determine measured object distance, because the transmission means of ultrasonic signal is different with the linear transmission mode of infrared signal, the transmitting terminal of ultrasonic signal and receiving terminal can have comparatively Large space, make the transmitting terminal of ultrasonic signal can share the openings such as the receiver of existing terminal, receiving terminal can share the openings such as the microphone of existing terminal, do not need additionally to offer the opening being specifically designed to detection, reduce Modeling in Product cost, the experience of user is improved while realizing product integrated design.
Please refer to Fig. 2, be the schematic flow sheet of the second embodiment of control method of the present invention, this control method comprises:
Step S21, generates ultrasonic signal, and ultrasonic signal comprises frequency at single-frequency point ultrasonic signals such as the square wave of more than 20Khz, sine wave or triangular waves.
In the present embodiment, single-frequency point ultrasonic signal may be used for the detection accuracy improving ultrasonic signal, prevents false triggering, improves the reliability of the method for the embodiment of the present invention.
Step S22, sends ultrasonic signal.
Step S23, that records ultrasonic signal sends the time.
Step S24, received ultrasonic signal.
Step S25, judges that whether the ultrasonic signal received is corresponding with the ultrasonic signal of generation.
When terminal receives ultrasonic signal, judge that whether this ultrasonic signal is corresponding with the ultrasonic signal generated, in the present embodiment, the frequency of the ultrasonic signal that judgement receive, amplitude or waveform can be passed through whether consistent with the ultrasonic signal generated, whether correspondingly judge between ultrasonic signal, improve the reliable trigger of terminal, avoid the interference of other ultrasonic signals.
Step S26, if so, then records the time of reception of ultrasonic signal.
Step S27, according to the difference of time of reception and transmitting time, determines measured object distance.
This step is identical with the corresponding step in the first embodiment, repeats no more here.
Step S28, when measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
This step is identical with the corresponding step in the first embodiment, repeats no more here.
In the present embodiment, sending ultrasonic signal can be sent by the receiver of terminal, and receiver can be loudspeaker or receiver, and received ultrasonic signal can by the microphones of terminal.
The embodiment of the present invention is by generating the ultrasonic signal of particular form, and after the receipt ultrasonic signal is verified, when the ultrasonic signal and the generation that receive ultrasonic signal to the time in of corresponding determine time of reception, effectively can prevent false triggering, improve the reliability of the method for the embodiment of the present invention, improve the experience of user further; Meanwhile, the embodiment of the present invention can adopt receiver to send ultrasonic signal, and microphones ultrasonic signal, effectively make use of the existing hardware of terminal, do not increase extra cost, and not extra occupied terminal inner space, optimizes resource distribution.
Detailed introduction is done to the embodiment of control method of the present invention above.Below the terminal corresponding to said method is further elaborated.Wherein, terminal can be mobile phone, panel computer, MP3, MP4 or notebook computer etc.
Please refer to Fig. 3, is the structural representation of the first embodiment of terminal of the present invention, and the terminal 100 in the embodiment of the present invention can control method in the first embodiment to implement the above described method.
The terminal 100 of the embodiment of the present invention comprises: sending module 110, receiver module 120, determination module 130 and processing module 140.
Wherein, sending module 110, is connected with receiver module 120, for sending ultrasonic signal and obtaining transmitting time.
In the present embodiment, sending module 110 can be ultrasound transmitter device, obtains transmitting time while sending.
Receiver module 120, be connected with determination module 130, obtains time of reception for received ultrasonic signal.
In the present embodiment, receiver module 120 can be ultrasonic wave receiving terminal, obtains time of reception while reception.
Determination module 130, is connected with processing module 140, for the difference according to time of reception and transmitting time, determines measured object distance.
In the present embodiment, determine that the method that measured object is illustrated can be:
According to formula
determine measured object distance.
Wherein, S represents measured object distance, and V is hyperacoustic speed under representing normal temperature, and T1 represents transmitting time, and T2 represents time of reception.
Processing module 140, for when measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
When measured object distance is less than predetermined threshold value, judge the current crested of terminal screen, user does not need to watch screen, can secretly shield or the screen that goes out, to reduce the kwh loss of terminal by control terminal.
The embodiment of the present invention is by obtaining transmitting time and the time of reception of ultrasonic signal, and according to the difference of time of reception and transmitting time, determine measured object distance, because the transmission means of ultrasonic signal is different with the linear transmission mode of infrared signal, the transmitting terminal of ultrasonic signal and receiving terminal can have comparatively Large space, make the transmitting terminal of ultrasonic signal can share the openings such as the receiver of existing terminal, receiving terminal can share the openings such as the microphone of existing terminal, do not need additionally to offer the opening being specifically designed to detection, reduce Modeling in Product cost, the experience of user is improved while realizing product integrated design.
Please refer to Fig. 4, is the structural representation of the second embodiment of terminal of the present invention, and the terminal 200 in the embodiment of the present invention can control method in the second embodiment to implement the above described method.The terminal 200 of the embodiment of the present invention comprises sending module 210, receiver module 220, determination module 230 and processing module 240.
Wherein, sending module 210, is connected with receiver module 220, comprises supersonic generator 211, ultrasonic wave transmitting terminal 212 and the first record cell 213.
Wherein, supersonic generator 211, is connected with ultrasonic wave transmitting terminal 212, and for generating ultrasonic signal, ultrasonic signal comprises square wave, the single-frequency point ultrasonic signal such as sine wave or triangular wave of frequency at more than 20Khz.
In the present embodiment, single-frequency point ultrasonic signal may be used for the detection accuracy improving ultrasonic signal, prevents false triggering, improves the reliability of the method for the embodiment of the present invention.
Ultrasonic wave transmitting terminal 212, is connected with the first record cell 213, for sending ultrasonic signal.
First record cell 213, sends the time for what record ultrasonic signal.
Receiver module 220, is connected with determination module 230, comprises ultrasonic wave receiving terminal 221, judging unit 222 and the second record cell 223.
Wherein, ultrasonic wave receiving terminal 221, is connected with judging unit 222, for received ultrasonic signal.
Whether judging unit 222, is connected with the second record cell 223, corresponding with the ultrasonic signal of generation for judging the ultrasonic signal received.
When terminal receives ultrasonic signal, judge that whether this ultrasonic signal is corresponding with the ultrasonic signal generated, in the present embodiment, the frequency of the ultrasonic signal that judgement receive, amplitude or waveform can be passed through whether consistent with the ultrasonic signal generated, whether correspondingly judge between ultrasonic signal, improve the reliable trigger of terminal, avoid the interference of other ultrasonic signals.
Second record cell 223, for when the ultrasonic signal of ultrasonic signal and generation is to the time of reception recording ultrasonic signal time corresponding.
Determination module 230, is connected with processing module 240, for the difference according to time of reception and transmitting time, determines measured object distance.
This module is identical with the respective modules in the first embodiment, repeats no more here.
Processing module 240, for when measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
Ultrasonic wave transmitting terminal is the receiver of terminal, and receiver can be loudspeaker or receiver, and ultrasonic wave receiving terminal is the microphone of terminal.
The embodiment of the present invention is by generating the ultrasonic signal of particular form, and after the receipt ultrasonic signal is verified, when the ultrasonic signal and the generation that receive ultrasonic signal to the time in of corresponding determine time of reception, effectively can prevent false triggering, improve the reliability of the method for the embodiment of the present invention, improve the experience of user further; Meanwhile, the embodiment of the present invention can adopt receiver to send ultrasonic signal, and microphones ultrasonic signal, effectively make use of the existing hardware of terminal, do not increase extra cost, and not extra occupied terminal inner space, optimizes resource distribution.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed terminal and control method can realize by another way.Such as, terminal embodiment described above is only schematic, the division of module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of embodiment of the present invention scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a chip unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising instruction in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform all or part of step of each embodiment method of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
These are only preferred embodiment of the present invention; not in order to limit the present invention; can be sent by other ultrasonic wave transmitting terminals as sent ultrasonic signal; received ultrasonic signal can be received by other ultrasonic wave receiving terminals; meet this ultrasonic wave transmitting terminal or ultrasonic wave receiving terminal and terminal and share opening; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a control method for terminal, is characterized in that, comprising:
Send ultrasonic signal and obtain transmitting time;
Receive described ultrasonic signal and obtain time of reception;
According to the difference of described time of reception and transmitting time, determine measured object distance;
When described measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
2. control method as claimed in claim 1, is characterized in that, the described difference according to described time of reception and transmitting time, determines the step of measured object distance, comprising:
According to formula
determine measured object distance;
Wherein, described S represents measured object distance, and V is hyperacoustic speed under representing normal temperature, and T1 represents transmitting time, and T2 represents time of reception.
3. control method as claimed in claim 1, is characterized in that, described transmission ultrasonic signal also obtains the step of transmitting time, comprising:
Generate ultrasonic signal, described ultrasonic signal comprises frequency at the square wave of more than 20Khz, sine wave or triangular signal;
Send described ultrasonic signal;
That records described ultrasonic signal sends the time;
The described ultrasonic signal of described reception also obtains the step of time of reception, comprising:
Receive described ultrasonic signal;
Judge that whether the ultrasonic signal of described reception is corresponding with the ultrasonic signal of described generation;
If so, the time of reception of described ultrasonic signal is then recorded.
4. the control method as described in any one of claims 1 to 3, is characterized in that, described transmission ultrasonic signal is sent by the receiver of described terminal, and described received ultrasonic signal is by the microphones of described terminal.
5. a terminal, is characterized in that, comprising:
Sending module, for sending ultrasonic signal and obtaining transmitting time;
Receiver module, for receiving described ultrasonic signal and obtaining time of reception;
Determination module, for the difference according to described time of reception and transmitting time, determines measured object distance;
Processing module, for when described measured object distance is less than predetermined threshold value, control terminal secretly shields or the screen that goes out.
6. terminal as claimed in claim 5, is characterized in that, determination module, specifically for:
According to formula
determine measured object distance;
Wherein, described S represents measured object distance, and V is hyperacoustic speed under representing normal temperature, and T1 represents transmitting time, and T2 represents time of reception.
7. terminal as claimed in claim 5, it is characterized in that, described sending module, comprising:
Supersonic generator, for generating ultrasonic signal, described ultrasonic signal comprises frequency at the square wave of more than 20Khz, sine wave or triangular signal;
Ultrasonic wave transmitting terminal, for sending described ultrasonic signal;
First record cell, sends the time for what record described ultrasonic signal;
Described receiver module, comprising:
Ultrasonic wave receiving terminal, for receiving described ultrasonic signal;
Judging unit, for judging that whether the ultrasonic signal of described reception is corresponding with the ultrasonic signal of described generation;
Second record cell, for when the ultrasonic signal of described ultrasonic signal and described generation is to the time of reception recording described ultrasonic signal time corresponding.
8. the terminal as described in any one of claim 5 to 7, is characterized in that, described ultrasonic wave transmitting terminal is the receiver of described terminal, and described ultrasonic wave receiving terminal is the microphone of described terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338209.3A CN105282320A (en) | 2015-06-16 | 2015-06-16 | Control method of terminal and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338209.3A CN105282320A (en) | 2015-06-16 | 2015-06-16 | Control method of terminal and terminal |
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| CN105282320A true CN105282320A (en) | 2016-01-27 |
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| CN201510338209.3A Pending CN105282320A (en) | 2015-06-16 | 2015-06-16 | Control method of terminal and terminal |
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| CN106413060A (en) * | 2016-10-24 | 2017-02-15 | 北京小米移动软件有限公司 | Screen state control method and device |
| CN106790955A (en) * | 2016-11-25 | 2017-05-31 | 北京小米移动软件有限公司 | Terminal control method and device |
| WO2017143769A1 (en) * | 2016-02-22 | 2017-08-31 | 中兴通讯股份有限公司 | Screen control method and device |
| CN107765251A (en) * | 2017-10-19 | 2018-03-06 | 维沃移动通信有限公司 | Distance detection method and terminal device |
| WO2018058434A1 (en) * | 2016-09-29 | 2018-04-05 | 北京小米移动软件有限公司 | Terminal, touch recognition method and apparatus, and electronic device |
| CN108012005A (en) * | 2017-11-29 | 2018-05-08 | 努比亚技术有限公司 | A kind of construction package for being used for realization call breath screen and its call breath screen method |
| CN108881618A (en) * | 2018-05-28 | 2018-11-23 | Oppo广东移动通信有限公司 | Reduce method, mobile terminal and its storage medium of electromagnetic wave specific absorption rate |
| CN108989687A (en) * | 2018-09-07 | 2018-12-11 | 北京小米移动软件有限公司 | camera focusing method and device |
| CN109218538A (en) * | 2018-11-29 | 2019-01-15 | 努比亚技术有限公司 | Mobile terminal screen control method, mobile terminal and computer readable storage medium |
| CN110830644A (en) * | 2019-09-16 | 2020-02-21 | 深圳市万普拉斯科技有限公司 | Display screen control method and device, electronic equipment and storage medium |
| CN112437381A (en) * | 2020-11-24 | 2021-03-02 | 维沃移动通信有限公司 | Earphone, volume adjusting method and device thereof, and terminal |
| CN113552568A (en) * | 2020-04-24 | 2021-10-26 | 深圳市万普拉斯科技有限公司 | Ultrasonic proximity sensing method, device, computer equipment and storage medium |
| CN113746984A (en) * | 2020-05-13 | 2021-12-03 | 中兴通讯股份有限公司 | Terminal, proximity detection method, and computer-readable storage medium |
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Cited By (18)
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| WO2017143769A1 (en) * | 2016-02-22 | 2017-08-31 | 中兴通讯股份有限公司 | Screen control method and device |
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| CN108989687A (en) * | 2018-09-07 | 2018-12-11 | 北京小米移动软件有限公司 | camera focusing method and device |
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| CN110830644A (en) * | 2019-09-16 | 2020-02-21 | 深圳市万普拉斯科技有限公司 | Display screen control method and device, electronic equipment and storage medium |
| CN110830644B (en) * | 2019-09-16 | 2021-04-20 | 深圳市万普拉斯科技有限公司 | Display screen control method and device, electronic equipment and storage medium |
| CN113552568A (en) * | 2020-04-24 | 2021-10-26 | 深圳市万普拉斯科技有限公司 | Ultrasonic proximity sensing method, device, computer equipment and storage medium |
| CN113552568B (en) * | 2020-04-24 | 2024-03-22 | 深圳市万普拉斯科技有限公司 | Ultrasonic proximity sensing method, device, computer equipment and storage medium |
| CN113746984A (en) * | 2020-05-13 | 2021-12-03 | 中兴通讯股份有限公司 | Terminal, proximity detection method, and computer-readable storage medium |
| CN112437381A (en) * | 2020-11-24 | 2021-03-02 | 维沃移动通信有限公司 | Earphone, volume adjusting method and device thereof, and terminal |
| CN112437381B (en) * | 2020-11-24 | 2023-01-31 | 维沃移动通信有限公司 | Earphone, volume adjusting method and device thereof and terminal |
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