CN104202483A - Display screen switch controller of mobile terminal - Google Patents
Display screen switch controller of mobile terminal Download PDFInfo
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- CN104202483A CN104202483A CN201410482424.6A CN201410482424A CN104202483A CN 104202483 A CN104202483 A CN 104202483A CN 201410482424 A CN201410482424 A CN 201410482424A CN 104202483 A CN104202483 A CN 104202483A
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Abstract
The invention discloses a mobile terminal and a method for controlling a display screen switch of the mobile terminal. The method comprises the following steps of receiving distance data from a distance sensor; indicating the distance between a display screen and an obstruction on one side of the display screen by the distance data; judging whether the distance is in a preset distance range or not; starting a camera unit on one side of the display screen if the distance is in the preset distance range; detecting a human face from images captured by the camera unit; and starting the display screen if the human face can be detected.
Description
Technical field
The display screen switch that the present invention relates to mobile terminal is controlled.
Background technology
Day by day universal along with the mobile terminal such as smart mobile phone, user except daily call, by the increasing time put on mobile terminal read, the activity such as amusement.Along with the lifting of processor performance,, the increase of display screen and the simultaneously increase of program of operation, the power consumption of mobile terminal is increasing.Yet, for portable design, to consider, the battery of mobile terminal is compact, and battery capacity is difficult to increase substantially, thereby becomes a bottleneck.For most of smart mobile phones, although be equipped with the lithium battery of 2000mA-4000mA, for severe user's stand-by time, be often also no more than 1 day.Because the size of display screen is larger, so the power consumption of display screen occupies sizable ratio in overall power.For this reason, mobile terminal generally adopts the technology that display screen is closed automatically.For example, on the mobile phone of Android operating system, can in the display menu arranging, snooze option be set, for example, the in the situation that nothing operating in a period of time interval (30 seconds or 2 minutes) display screen be closed.For power saving, the time interval of closing display screen is often set to shorter, automatically closes frequently display screen as far as possible.
Yet in the scene that need to watch for a long time a picture attentively as reading, this display screen of automatically closing frequently can bring inconvenience to user.Once display screen is closed, user needs immediately touch display screen or clicks button to wake display screen up, otherwise mobile terminal may further enter screen lock state, and user needs release just can come back to original picture when the time comes.This wake operation frequently can have a strong impact on user's reading experience, particularly when user rises for a certain reason, does not sell when operating.
At present, some smart mobile phones provide a kind of function of automatically closing display screen when call.When user's communication, mobile phone is pressed close to face, and light sensor detects light and is blocked, automatically closing hand phone display screen.Like this, in the time of can avoiding conversing, face touches display screen and produces misoperation.Work as end of conversation, mobile phone leaves face, and now light sensor detects light, and display screen can light automatically.
Yet, during this call, automatically close the function of display screen and be not suitable for and read such occasion.Light sensor only people's face from very close in could onset, and there is suitable distance in user face when reading from mobile phone all the time, therefore cannot carry out the control of display screen switch with light sensor.
Therefore, need a kind of more intelligent display screen switch control mode to be applicable to the scene as reading.
Summary of the invention
For this reason, the invention provides a kind of method and mobile terminal of controlling mobile terminal display screen switch, to try hard to solve or at least alleviate the problem existing above.
According to an aspect of the present invention, provide a kind of method of controlling mobile terminal display screen switch.The method comprises: receive the range data from range sensor, the distance between described range data indicated number screen and the shelter of display screen one side; Determine that described distance is whether in predetermined distance range; If described distance, in predetermined distance range, is opened the image unit of display screen one side; The image of catching from display unit, detect people's face; With if people's face detected, make display screen open.
The method can also comprise if described distance not in predetermined distance range, makes display screen close.The method can also comprise if people's face do not detected, make display screen close.Predetermined distance range can be 10-40cm.Described receiving step can be in response to and start application and carry out.Application can comprise at least one in e-book, news client, browser, audio/video player.
According to an aspect of the present invention, provide a kind of mobile terminal, comprising: display screen, for to user's display interface; Range sensor, for detection of the distance between display screen and shelter; Be positioned at the image unit of display screen one side, for catching the image of display screen one side; With display screen switch control unit, be configured to determine that described distance is whether in predetermined distance range, if in predetermined distance range, open image unit and the image of catching from image unit detect people's face, and if people's face detected, make display screen open.
If display screen switch control unit can further be configured to described distance not in predetermined distance range, make display screen close.If display screen switch control unit can further be configured to not detect people's face, make display screen close.
Accompanying drawing explanation
In order to realize above-mentioned and relevant object; in conjunction with description and accompanying drawing below, some illustrative aspect is described herein; the variety of way that can put into practice principle disclosed herein has been indicated in these aspects, and all aspects and equivalent aspect thereof are intended to fall in the scope of theme required for protection.Read in conjunction with the drawings detailed description below, above-mentioned and other object of the present disclosure, Characteristics and advantages will become more obvious.Spread all over the disclosure, identical Reference numeral is often referred to identical parts or element of generation.
Fig. 1 shows the structured flowchart of a mobile terminal 100;
Fig. 2 shows the flow chart of the method 200 of control mobile terminal display screen switch according to an illustrative embodiment of the invention;
Fig. 3 is the block diagram of the mobile terminal that can control display screen switch 300 according to an illustrative embodiment of the invention.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, yet should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can by the scope of the present disclosure complete convey to those skilled in the art.
Fig. 1 is the structured flowchart of mobile terminal 100.The mobile terminal 100 with multiple point touching ability can comprise memory interface 102, one or more data processor, image processor and/or CPU 104, and peripheral interface 106.Memory interface 102, one or more processor 104 and/or peripheral interface 106 can be both discrete components, also can be integrated in one or more integrated circuits.In mobile terminal 100, various elements can be coupled by one or more communication bus or holding wire.Transducer, equipment and subsystem can be coupled to peripheral interface 106, to help to realize several functions.For example, motion sensor 110, optical sensor 112 and range sensor 114 can be coupled to peripheral interface 106, to facilitate the functions such as orientation, illumination and range finding.Other transducers 116 can be connected with peripheral interface 106 equally, and for example navigation system (for example GPS receiver), temperature sensor, biometric sensor or other sensor devices, can help to implement relevant function thus.
Camera subsystem 120 and optical pickocff 122 can be for the realizations of the convenient camera function such as recording photograph and video clipping, and wherein said camera subsystem and optical pickocff can be for example charge coupled device (CCD) or complementary metal oxide semiconductors (CMOS) (CMOS) optical pickocff.Can help realize communication function by one or more radio communication subsystem 124, wherein radio communication subsystem can comprise radio-frequency transmitter and transmitter and/or light (for example infrared) Receiver And Transmitter.The particular design of radio communication subsystem 124 and execution mode can depend on one or more communication networks that mobile terminal 100 is supported.For example, mobile terminal 100 can comprise and is designed to support GSM network, GPRS network, EDGE network, Wi-Fi or WiMax network and Bluebooth
tMthe communication subsystem 124 of network.Audio subsystem 126 can be coupled with loud speaker 128 and microphone 130, so that the function that helps enforcement to enable voice, for example speech recognition, speech reproduction, digital record and telephony feature.I/O subsystem 140 can comprise touch screen controller 142 and/or one or more other input control devices 144.Touch screen controller 142 can be coupled to touch-screen 146.For instance, this touch-screen 146 and touch screen controller 142 can detect contacting and movement or time-out of carrying out with it with any in multiple touch-sensing technology, and wherein detection technology is including, but not limited to capacitive character, resistive, infrared and surface acoustic wave technique.One or more other input control devices 144 can be coupled to other input/control devicess 148, for example pointing apparatus of one or more buttons, rocker switch, thumb wheel, infrared port, USB port and/or stylus and so on.Described one or more button (not shown) can comprise the up/down button for control loudspeaker 128 and/or microphone 130 volumes.Memory interface 102 can be coupled with memory 150.This memory 150 can comprise high-speed random access memory and/or nonvolatile memory, one or more disk storage devices for example, one or more optical storage apparatus, and/or flash memories (for example NAND, NOR).Memory 150 can storage operation system 152, for example operating system of Android, IOS or Windows Phone and so on.This operating system 152 can comprise the instruction that depends on the task of hardware for the treatment of basic system services and execution.Memory 150 can also be stored application 154, and application 154 operates on operating system, and the function of the various user's expectations of Interface realization that utilize operating system and bottom hardware to provide, as instant messaging, web page browsing, pictures management etc.Application can be independent of operating system to be provided, and can be also that operating system carries.
In order to make the switch of display screen be more suitable for the occasion that the long period is inputted without user as reading, do not affect again the power managed to display screen, the present invention proposes and adopt front-facing camera to carry out to user close/dormancy and the unlatching that display screen is controlled in recognition of face simultaneously.
Fig. 2 shows the flow chart of the method 200 of control mobile terminal display screen switch according to an illustrative embodiment of the invention.
The flow process that display screen switch is controlled can start when related application is called.For example, when user clicks an application on touch-screen, the flow process shown in Fig. 2 can be used as single process and correspondingly starts.Generally speaking, this application is to have the application that may there is no the possibility that user inputs the long period, such as e-book, news client, browser, audio/video player etc.Certainly, this display screen switch control flow also can reside in running background, is applicable to all application.
At step S210, receive the range data from range sensor.Receiving step can be in response to and start application and carry out.Range sensor generally can be arranged in the both sides of earpiece or at earpiece groove.Distance-sensor for example can utilize infrared, ultrasonic wave or optical measurement sensors to the distance between object (being shelter).Therefore, the distance between range data indicated number screen and the shelter of display screen one side.At step S220, determine that described distance is whether in predetermined distance range.Typically, people's face is for example between 10-40cm apart from the distance range of display screen during reading.If distance, within the scope of this, has shelter in this distance range, show that likely user is watching display screen attentively.In order to improve identification accuracy, further adopt people's face to detect and confirm.If distance, in this predetermined distance range, is opened the image unit of display screen one side at step S230, i.e. front-facing camera, and the image of catching from front-facing camera at step S240, detect people's face.Otherwise, thereby go to step S260, make display screen close saving electric power.The algorithm that people's face detects is well known in the art.For the present invention, as long as recognize shelter, be people's face, and do not need accurately to identify the face of different people.Therefore, can be undertaken by identification human eye, that is, as long as recognize people's eyes, can think and people's face detected.At step S240, judge whether to detect people's face.If people's face detected, at step S250, display screen is opened.That is to say, if display screen, in close/resting state, is opened display screen; If display screen is opened, make display screen continue to be held open.This signal that can wake display screen up by transmission is realized.If people's face do not detected, go to step S260, thereby being closed, display screen saves electric power.Detection for distance and people's face can periodically repeat, and for example, repeats the flow process of Fig. 2 every 30 seconds, to control at any time the switch of display screen.In addition,, in the situation that people's face being detected, in next cycle, if distance detected in predetermined distance range, can omit and open the step that camera detects people's face, to avoid the too much electric power of frequent starting consumption of front-facing camera.When user exits related application, the flow process of Fig. 2 both can correspondingly exit, and also can continue at running background.During running background, the time interval of carrying out distance and the detection of people's face can be longer than carry out the time interval of detecting at related application run duration, for example, carries out and detect, thereby avoid consuming too much electric power every 5 minutes.
Compare with using light sensor, by the distance of range sensor is detected and combined with recognition of face, can more accurately identify more intelligently user and watch screen attentively, keep screen to light.Like this, the situation that in the time of can avoiding occurring in the operations such as user reads, screen be closed, user need to be when not reading yet continually touch screen or button keep screen to light, promoted reading experience.Meanwhile, if people's face do not detected in predetermined distance range, close screen, this can reduce the power consumption of screen effectively.
Fig. 3 is the block diagram of mobile terminal 300 according to an illustrative embodiment of the invention.
Mobile terminal 300 comprises display screen 310, range sensor 320, image unit 330 and display screen switch control unit 340.Display screen 310 is to user's display interface.Distance between range sensor 320 detection display screens and shelter.Image unit 330 is positioned at display screen one side, can catch the image of display screen one side.Display screen switch control unit 340 can determine that described distance is whether in predetermined distance range, if in predetermined distance range, the image of opening image unit 330 and catching from image unit 330, detect people's face, and if people's face detected, make display screen 310 open.If distance is not in predetermined distance range or people's face do not detected, make display screen 310 close.Predetermined distance range can be 10-40cm.
Be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the above in the description of exemplary embodiment of the present invention, each feature of the present invention is grouped together into single embodiment, figure or sometimes in its description.Yet, the method for the disclosure should be construed to the following intention of reflection: the present invention for required protection requires than the more features of the feature of clearly recording in each claim.Or rather, as reflected in claims below, inventive aspect is to be less than all features of disclosed single embodiment above.Therefore, claims of following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are to be understood that the module of the equipment in example disclosed herein or unit or assembly can be arranged in as in the equipment described in this embodiment, or alternatively can be positioned in one or more equipment different from equipment in this example.Module in aforementioned exemplary can be combined as a module or can be divided into a plurality of submodules in addition.
Those skilled in the art are appreciated that and can the module in the equipment in embodiment are adaptively changed and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and can put them into a plurality of submodules or subelement or sub-component in addition.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to combine all processes or the unit of disclosed all features in this specification (comprising claim, summary and the accompanying drawing followed) and disclosed any method like this or equipment.Unless clearly statement in addition, in this specification (comprising claim, summary and the accompanying drawing followed) disclosed each feature can be by providing identical, be equal to or the alternative features of similar object replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included in other embodiment, the combination of the feature of different embodiment means within scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with compound mode arbitrarily.
In addition, at this, be described as can be by the processor of computer system or the method for being implemented by other device of carrying out described function or the combination of method element for some in described embodiment.Therefore, there is the device that is formed for implementing the method or method element for implementing the processor of the necessary instruction of described method or method element.In addition, the element described herein of device embodiment is the example as lower device: this device is used for implementing by order to implement the performed function of element of the object of this invention.
As used in this, unless made separate stipulations, use ordinal number " first ", " second ", " 3rd " etc. to describe the different instances that common object only represents to relate to similar object, and be not intended that object that hint is described like this must have on upper, space of time, sequence aspect or with any alternate manner to definite sequence.
Although described the present invention according to the embodiment of limited quantity, benefit from description above, those skilled in the art understand, in the scope of the present invention of describing thus, it is contemplated that other embodiment.In addition, it should be noted that the language using in this specification is mainly for object readable and instruction is selected, rather than select in order to explain or to limit theme of the present invention.Therefore,, in the situation that do not depart from the scope and spirit of appended claims, many modifications and changes are all apparent for those skilled in the art.For scope of the present invention, disclosing that the present invention is done is illustrative, and nonrestrictive, scope of the present invention is limited by appended claims.
Claims (10)
1. a method of controlling mobile terminal display screen switch, comprising:
Receive (S210) from the range data of range sensor, the distance between described range data indicated number screen and the shelter of display screen one side;
Determine that (S220) described distance is whether in predetermined distance range;
If described distance, in predetermined distance range, is opened the image unit of (S230) display screen one side;
The image of catching from image unit, detect (S240) people face; With
If people's face detected, make display screen open (S250).
2. the method for claim 1, also comprises:
If described distance not in predetermined distance range, makes display screen close (S260).
3. the method for claim 1, also comprises:
If people's face do not detected, make display screen close (S260).
4. the method for claim 1, wherein said predetermined distance range is 10-40cm.
5. the method for claim 1, described reception (S210) step is in response to and starts application and carry out.
6. method as claimed in claim 5, described application comprises at least one in e-book, news client, browser, audio/video player.
7. a mobile terminal (300), comprising:
Display screen (310), for to user's display interface;
Range sensor (320), for detection of the distance between display screen and shelter;
The image unit (330) of display screen one side, for catching the image of display screen one side; With
Display screen switch control unit (340), be configured to determine that described distance is whether in predetermined distance range, if in predetermined distance range, the image of opening image unit (330) and catching from image unit (330), detect people's face, and if people's face detected, make display screen (310) open.
8. mobile terminal as claimed in claim 7, wherein said display screen switch control unit (340), if be further configured to described distance not in predetermined distance range, makes display screen (310) close.
9. mobile terminal as claimed in claim 7, wherein said display screen switch control unit (340), if be further configured to not detect people's face, makes display screen (310) close.
10. mobile terminal as claimed in claim 7, wherein said predetermined distance range is 10-40cm.
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| CN201410482424.6A CN104202483A (en) | 2014-08-20 | 2014-09-19 | Display screen switch controller of mobile terminal |
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| CN201410411520.1 | 2014-08-20 | ||
| CN201410411520 | 2014-08-20 | ||
| CN201410482424.6A CN104202483A (en) | 2014-08-20 | 2014-09-19 | Display screen switch controller of mobile terminal |
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| CN105243346A (en) * | 2015-11-16 | 2016-01-13 | 广东欧珀移动通信有限公司 | Mobile terminal with guard against theft function and guard against theft method |
| CN105763811A (en) * | 2016-03-31 | 2016-07-13 | 努比亚技术有限公司 | Shooting control device and method |
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| CN108347538A (en) * | 2017-01-24 | 2018-07-31 | 北京小米移动软件有限公司 | Control the method and device of mobile terminal |
| CN108933888A (en) * | 2017-05-22 | 2018-12-04 | 中兴通讯股份有限公司 | A kind of camera control method, equipment and computer storage medium |
| WO2019051665A1 (en) * | 2017-09-13 | 2019-03-21 | 深圳传音通讯有限公司 | Start control method and start control system for smart terminal |
| CN109557999A (en) * | 2017-09-25 | 2019-04-02 | 北京小米移动软件有限公司 | Bright screen control method, device and storage medium |
| CN109710326A (en) * | 2018-12-30 | 2019-05-03 | 北京猎户星空科技有限公司 | A kind of awakening method of robot, device, equipment and medium |
| CN109887441A (en) * | 2019-03-28 | 2019-06-14 | 江苏明德之星激光显示科技有限公司 | A kind of ad display screen based on laser projection |
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| CN111147667A (en) * | 2019-12-25 | 2020-05-12 | 华为技术有限公司 | Screen-off control method and electronic equipment |
| CN114639357A (en) * | 2022-03-18 | 2022-06-17 | 珠海读书郎软件科技有限公司 | System and method for triggering ghost elimination and refreshing on electronic ink screen |
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| CN108933888B (en) * | 2017-05-22 | 2022-02-15 | 中兴通讯股份有限公司 | Camera control method and device and computer storage medium |
| CN111344701A (en) * | 2017-09-13 | 2020-06-26 | 深圳传音通讯有限公司 | Start control method and start control system of intelligent terminal |
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| CN109557999A (en) * | 2017-09-25 | 2019-04-02 | 北京小米移动软件有限公司 | Bright screen control method, device and storage medium |
| CN109557999B (en) * | 2017-09-25 | 2022-08-26 | 北京小米移动软件有限公司 | Bright screen control method and device and storage medium |
| CN109710326B (en) * | 2018-12-30 | 2021-07-20 | 北京猎户星空科技有限公司 | Robot awakening method, device, equipment and medium |
| CN109710326A (en) * | 2018-12-30 | 2019-05-03 | 北京猎户星空科技有限公司 | A kind of awakening method of robot, device, equipment and medium |
| CN109887441A (en) * | 2019-03-28 | 2019-06-14 | 江苏明德之星激光显示科技有限公司 | A kind of ad display screen based on laser projection |
| CN110297536A (en) * | 2019-06-30 | 2019-10-01 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
| CN111147667A (en) * | 2019-12-25 | 2020-05-12 | 华为技术有限公司 | Screen-off control method and electronic equipment |
| CN114639357A (en) * | 2022-03-18 | 2022-06-17 | 珠海读书郎软件科技有限公司 | System and method for triggering ghost elimination and refreshing on electronic ink screen |
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