CN104378491B - A kind of method and device of screen that lighting mobile terminal - Google Patents
A kind of method and device of screen that lighting mobile terminal Download PDFInfo
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- CN104378491B CN104378491B CN201310353730.5A CN201310353730A CN104378491B CN 104378491 B CN104378491 B CN 104378491B CN 201310353730 A CN201310353730 A CN 201310353730A CN 104378491 B CN104378491 B CN 104378491B
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- screen
- mobile terminal
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- angular speed
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
- H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Telephone Function (AREA)
Abstract
Whether the invention discloses a kind of method and devices of screen for lighting mobile terminal, are related to field of mobile communication, the described method comprises the following steps: by the mobile angular speed of real-time detection mobile terminal, judging the angular speed in default angular velocity range；Through real-time detection face at a distance from the screen of mobile terminal, judge the distance whether within the scope of pre-determined distance；When the angular speed is in default angular velocity range and the distance is within the scope of pre-determined distance, judgement detects the angular speed and whether within a preset time interval to detect the time interval of the distance；If the time interval is within a preset time interval, the screen of mobile terminal is lighted.The present invention does not need user and frequently presses power key to light screen, reduces the access times of power key, extends the service life of power key, meanwhile, for the mobile terminal of large-size screen monitors, it is also convenient for the one-handed performance of user.
Description
Technical field
The present invention relates to field of mobile communication, in particular to one kind can be when mobile terminal screen be close to face, automatically
The method for lighting screen.
Background technique
With becoming increasingly popular for mobile phone, frequency of use is stepped up, and according to correlation study, has 50% operation to be only accustomed to point
Bright screen is had a look；After existing mobile terminal locking screen, usually required manually by secondary or physical bond, especially if it is desired to lighting screen
It is for the user to do things, very troublesome, frequently clicking secondary or physical bond will also result in secondary or physical bond loss.
Mobile phone gyroscope is called angular-rate sensor, is to be different from accelerometer (G-sensor), his measurement physics
Rotational angular velocity when amount is deflection, inclination.The distance that front camera is used to measure mobile terminal to face.
As gyroscope, front camera are added to mobile terminal, can judge whether be currently needs by them
The scene of screen is lighted, to automatically turn on the screen.
Summary of the invention
The purpose of the present invention is to provide a kind of method and devices of screen for lighting mobile terminal, can better solve shifting
Dynamic terminal automatically turns on the screen problem.
According to an aspect of the invention, there is provided a kind of method for the screen for lighting mobile terminal, comprising the following steps:
By the mobile angular speed of real-time detection mobile terminal, judge the angular speed whether in default angular velocity range
It is interior；
Through real-time detection face at a distance from the screen of mobile terminal, judge the distance whether in pre-determined distance range
It is interior；
When the angular speed is in default angular velocity range and the distance is within the scope of pre-determined distance, judgement is detected
The angular speed and whether within a preset time interval to detect the time interval of the distance；
If the time interval is within a preset time interval, the screen of mobile terminal is lighted.
Preferably, when the mobile angular speed of mobile terminal is in default angular velocity range, acquisition detects the angle speed
The time of degree.
Preferably, at a distance from the screen by real-time detection face with mobile terminal, judge that the distance is
Before the no step within the scope of pre-determined distance, further includes:
By monitoring the screen state of mobile terminal in real time, determine whether screen has been lighted, and determining that screen is non-lit up
Afterwards, real-time detection face is at a distance from the screen of mobile terminal.
Preferably, by receiving the broadcast message for characterizing screen state, the screen of the mobile terminal is monitored in real time
State.
Preferably, when face at a distance from the screen of mobile terminal within the scope of pre-determined distance when, acquisition detects described
The time of distance.
Preferably, further includes:
When the angular speed is not in default angular velocity range or the distance is not within the scope of pre-determined distance or when described
Between when being spaced not within a preset time interval, keep the screen state of mobile terminal.
According to another aspect of the present invention, a kind of device of screen for lighting mobile terminal is provided, comprising:
Gyro module, for the angular speed mobile by real-time detection mobile terminal, judge the angular speed whether
In default angular velocity range；
Apart from induction module, at a distance from the screen of mobile terminal, judging the distance by real-time detection face
Whether within the scope of pre-determined distance；
Touch screen lighting module, for when the angular speed is in default angular velocity range and the distance is in pre-determined distance
When in range, judgement detects the angular speed and whether within a preset time interval to detect the time interval of the distance,
If the time interval is within a preset time interval, the screen of mobile terminal is lighted.
Preferably, further includes:
Time module, for when the mobile angular speed of mobile terminal is in default angular velocity range, acquisition to detect institute
State the time of angular speed, and when face at a distance from the screen of mobile terminal within the scope of pre-determined distance when, acquisition detects institute
State the time of distance.
Preferably, the touch screen lighting module is also used to the screen state by monitoring mobile terminal in real time, determines screen
Whether curtain has been lighted, and when determining that screen is non-lit up, by described apart from induction module real-time detection face and mobile terminal
The distance of screen.
Preferably, the touch screen lighting module is also used to when the angular speed is not in default angular velocity range or described
Distance not within the scope of pre-determined distance or the time interval not within a preset time interval when, keep the screen shape of mobile terminal
State.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can exempt the inconvenience that user must use physical button that can just light mobile phone, from without frequently pressing
Lower power key lights screen, reduces the access times of power key, the service life of power key is extended, simultaneously for large-size screen monitors
Mobile terminal is also convenient for the one-handed performance of user.
Detailed description of the invention
Fig. 1 is the Method And Principle block diagram of the screen provided in an embodiment of the present invention for lighting mobile terminal；
Fig. 2 is the device block diagram of the screen provided in an embodiment of the present invention for lighting mobile terminal；
Fig. 3 is the flow chart of the screen provided in an embodiment of the present invention for lighting mobile terminal.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Select embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 is the Method And Principle block diagram of the screen provided in an embodiment of the present invention for lighting mobile terminal, as shown in Figure 1, packet
Include following steps:
Whether step 101, the angular speed moved by real-time detection mobile terminal judge the angular speed in preset angle speed
It spends in range.
Further, when the mobile angular speed of mobile terminal is in default angular velocity range, acquisition detects the angle
The time of speed.
Step 102, by real-time detection face at a distance from the screen of mobile terminal, judge the distance whether default
In distance range.
Before the step 102, further includes: by monitoring the screen state of mobile terminal in real time, whether determine screen
It has been lighted that, and after determining that screen is non-lit up, real-time detection face is at a distance from the screen of mobile terminal.
Further, by receiving the broadcast message for characterizing screen state, the screen of the mobile terminal is monitored in real time
Tentiform state.
Further, when detecting face at a distance from the screen of mobile terminal within the scope of pre-determined distance, inspection is obtained
Measure the time of the distance.
Step 103, when the angular speed is in default angular velocity range and the distance is within the scope of pre-determined distance, sentence
It is disconnected to detect the angular speed and whether within a preset time interval to detect the time interval of the distance.
If step 104, the time interval are within a preset time interval, the screen of mobile terminal is lighted.
Further, further includes: when the angular speed not in default angular velocity range or the distance not it is default away from
From in range or the time interval not within a preset time interval when, keep the screen state of mobile terminal.
Fig. 2 is the device block diagram of the screen provided in an embodiment of the present invention for lighting mobile terminal, as shown in Figure 2, comprising:
Gyro module, for the angular speed mobile by real-time detection mobile terminal, judge the angular speed whether
In default angular velocity range；
Apart from induction module, at a distance from the screen of mobile terminal, judging the distance by real-time detection face
Whether within the scope of pre-determined distance, it is described apart from induction module include acquire image front camera and identification face face
Identification module；
Touch screen module: display mobile terminal is in illuminating state or OFF state；
Time module, for when the mobile angular speed of mobile terminal is in default angular velocity range, acquisition to detect institute
State the time of angular speed, and when face at a distance from the screen of mobile terminal within the scope of pre-determined distance when, acquisition detects institute
State the time of distance, that is to say, that time module is used to record the time point for detecting that angular speed and distance meet condition, thus
Calculate the time interval at two time points；
Touch screen lighting module, for when the angular speed is in default angular velocity range and the distance is in pre-determined distance
When in range, judgement detects the angular speed and detects the time interval of the distance, if the time interval is default
In time interval, then the screen of mobile terminal is lighted, that is to say, that when the angular speed for detecting mobile phone and apart from certain
In range, and when time interval is shorter, lights screen；The touch screen lighting module is also used to by real-time detection face
At a distance from the screen of mobile terminal, judge face at a distance from the screen of mobile terminal whether the step within the scope of pre-determined distance
Before rapid, by monitoring the screen state of mobile terminal in real time, determine whether screen has been lighted, and determining that screen is non-lit up
When, by it is described apart from induction module real-time detection face at a distance from the screen of mobile terminal；The touch screen lighting module is also
For when the angular speed is not in default angular velocity range or the distance is not within the scope of pre-determined distance or between the time
When not within a preset time interval, the screen state of mobile terminal is kept.
It takes the mobile phone as an example, after mobile phone blank screen, user is if it is desired to reuse mobile phone, i.e., from screen OFF state to user
During reusing mobile phone, user would generally pick up mobile phone, cell phone, and allow mobile phone apart from face certain distance.By this
After the movement of consecutive is split, these movements can be detected with different inductors, to judge whether user needs a little now
Bright screen just lights screen when detecting that user needs to light screen, and otherwise screen keeps OFF state, i.e. dark screen
State.
Firstly, it is necessary to detect whether certain rotational angular velocity with gyro module, then by apart from induction module (packet
Include front camera and face recognition module) it goes to detect whether the screen distance face of mobile terminal in certain distance.If
Meet simultaneously, and the latter and the former time interval just light screen within the regular hour.If there is certain angle
Speed, but the distance of screen distance face is farther out, or not opposite with people, does not just light, such as mobile phone rotates to the back of face
The case where face.If apart from people in a certain distance, but not certain angular speed, it does not also light, such as mobile phone is accidentally
The case where by some position of human body.If angular speed and apart from satisfaction, but time interval is longer, such as mobile phone is endways fills
Electricity faces face situation, does not also light screen in the range of setting.
Fig. 3 is the flow chart of the screen provided in an embodiment of the present invention for lighting mobile terminal, as shown in figure 3, with mobile phone
For Android operation system, next the present invention will be described in detail, and step includes:
Step 1 obtains gyroscope magnitude of angular velocity information, function interface onSensorChanged (SensorEvent first
event)。
The XYZ of gyroscope respectively represents the angular velocity information that equipment surrounds the rotation of tri- axis of XYZ: unit radians/
second.The coordinate system used as XYZ is identical as gsensor.When rotating counterclockwise, the value of XYZ be it is positive, judge phase
To the corner of horizontal plane whether in the range of setting (mobile phone and horizontal angle be 15-90 degree).If condition meets, hold
Row step 2, otherwise exits the program, and does not execute and lights screen flow.
Further, when angular speed meets condition, by System.currentTimeMillis (), when obtaining current
Between T1.
Step 2, by register and receive broadcast message android.intent.action.SCREEN_OFF, can monitor
It will receive corresponding broadcast message when screen state variation to screen state, judge whether screen extinguishes.If it is,
It calls enalbeApplication () function activation program to go to step 3, does not otherwise operate, maintain bright screen.
Step 3 opens front camera.
First way is using MediaStore, the primary camera of calling system, another mode is to use
Camera frame, only Camera.open () method calls rear camera in the SDK of previous version, it now is possible to receive
One parameter determines front camera or rear camera.
The detailed camera in Android device is obtained according to Camerainfo class and getCameraInfo method
Information, getNumberOfCameras obtain the quantity of camera.
Recognition of face is carried out first, checks mobile phone screen whether in face of face, when facing face, is then taken the photograph by preposition
As head calculates the distance between mobile phone screen and face using the principle of Pythagorean theorem.
Whether the distance for judging mobile phone screen and face is (such as 3-50cm) within the scope of pre-determined distance.If condition is full
Foot, thens follow the steps 4, otherwise terminates program operation.
Further, when distance meets condition, System.currentTimeMillis () is called again, is obtained current
Time T2.
Step 4, judgement detect time interval when distance and angular speed meet condition, i.e. T2-T1 judges the time
Whether within a preset time interval (being, for example, less than 5s), if so, thening follow the steps 5, otherwise do not light screen in interval.
Step 5 obtains PowerManager service by getSystemService, what Android operation system provided
It is mainly managing mobile phone power supply that PowerManager, which manages class, passes through setting PowerManager.WakeLock's
PowerManager.FULL_WAKE_LOCK and PowerManager.ACQUIRE_CAUSES_WAKEUP attribute calls
Acquire () interface function wakes up mobile phone, lights screen.
Step 6 exits application program, and mobile phone is begun to use to carry out other operations.
In conclusion the present invention has following technical effect that
Whether the present invention is currently the scene for needing to light screen by judgement, automatically turns on the screen, not only reduces object
The loss rate of key is managed, and is convenient for user's one-handed performance.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (8)
1. a kind of method for the screen for lighting mobile terminal, which comprises the following steps:
By the mobile angular speed of real-time detection mobile terminal, judge the angular speed whether in default angular velocity range；
Through real-time detection face at a distance from the screen of mobile terminal, judge face and mobile terminal screen distance whether
Within the scope of pre-determined distance；
When the angular speed is in default angular velocity range and distance described in the screen of face and mobile terminal is in pre-determined distance model
When enclosing interior, whether judgement detects the angular speed with the time interval for the screen distance for detecting face and mobile terminal pre-
If in time interval；
When detect the angular speed and detect face and mobile terminal screen distance time interval between preset time
Every interior, the screen of mobile terminal is lighted；
When the angular speed is not in default angular velocity range or the distance is not within the scope of pre-determined distance or between the time
When not within a preset time interval, the screen state of mobile terminal is kept.
2. the method according to claim 1, wherein when the mobile angular speed of mobile terminal is in default angular speed model
When enclosing interior, the time for detecting the angular speed is obtained.
3. according to the method described in claim 2, it is characterized in that, described by real-time detection face and mobile terminal
Whether the distance of screen judges the distance before the step within the scope of pre-determined distance, further includes:
By monitoring the screen state of mobile terminal in real time, determine whether screen has been lighted, and after determining that screen is non-lit up, in fact
When detect face at a distance from the screen of mobile terminal.
4. according to the method described in claim 3, it is characterized in that, by receiving broadcast message for characterizing screen state,
The screen state of the mobile terminal is monitored in real time.
5. method according to any of claims 1-4, which is characterized in that when the screen of face and mobile terminal away from
When within the scope of pre-determined distance, the time for detecting the distance is obtained.
6. a kind of device for the screen for lighting mobile terminal characterized by comprising
Whether gyro module judges the angular speed default for the angular speed mobile by real-time detection mobile terminal
In angular velocity range；
Apart from induction module, at a distance from the screen of mobile terminal, judging face and movement eventually by real-time detection face
Whether the screen distance at end is within the scope of pre-determined distance；
Touch screen lighting module, for when the angular speed in default angular velocity range and the screen of face and mobile terminal away from
When within the scope of pre-determined distance, judgement detect the angular speed with detect face and mobile terminal screen distance when
Between whether be within a preset time interval spaced；When the screen distance for detecting the angular speed Yu detecting face and mobile terminal
Time interval within a preset time interval, light the screen of mobile terminal；
The touch screen lighting module is also used to when the angular speed is not in default angular velocity range or the distance is not pre-
If in distance range or the time interval not within a preset time interval when, keep the screen state of mobile terminal.
7. device according to claim 6, which is characterized in that further include:
Time module, for when the mobile angular speed of mobile terminal is in default angular velocity range, acquisition to detect the angle
The time of speed, and when face at a distance from the screen of mobile terminal within the scope of pre-determined distance when, acquisition detect it is described away from
From time.
8. device according to claim 7, which is characterized in that the touch screen lighting module is also used to by monitoring in real time
The screen state of mobile terminal, determines whether screen has been lighted, and when determining that screen is non-lit up, by described apart from induction module
Real-time detection face is at a distance from the screen of mobile terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353730.5A CN104378491B (en) | 2013-08-14 | 2013-08-14 | A kind of method and device of screen that lighting mobile terminal |
| PCT/CN2013/085804 WO2014166223A1 (en) | 2013-08-14 | 2013-10-23 | Method and device for lightening screen of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353730.5A CN104378491B (en) | 2013-08-14 | 2013-08-14 | A kind of method and device of screen that lighting mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN104378491A CN104378491A (en) | 2015-02-25 |
| CN104378491B true CN104378491B (en) | 2019-02-15 |
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ID=51688910
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310353730.5A Active CN104378491B (en) | 2013-08-14 | 2013-08-14 | A kind of method and device of screen that lighting mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104378491B (en) |
| WO (1) | WO2014166223A1 (en) |
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| CN104461358B (en) * | 2014-11-28 | 2017-12-05 | 小米科技有限责任公司 | Light the method and device of screen |
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| Publication number | Publication date |
|---|---|
| WO2014166223A1 (en) | 2014-10-16 |
| CN104378491A (en) | 2015-02-25 |
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