CN102883061A - Method and system for controlling working state of touch screen of mobile terminal - Google Patents
Method and system for controlling working state of touch screen of mobile terminal Download PDFInfo
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- CN102883061A CN102883061A CN2012103642307A CN201210364230A CN102883061A CN 102883061 A CN102883061 A CN 102883061A CN 2012103642307 A CN2012103642307 A CN 2012103642307A CN 201210364230 A CN201210364230 A CN 201210364230A CN 102883061 A CN102883061 A CN 102883061A
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Abstract
The invention provides a method and a system for controlling a working state of a touch screen of a mobile terminal. The mobile terminal comprises an infrared proximity sensor and an ambient light sensor. The infrared proximity sensor is used for sensing infrared light intensity values, and the ambient light sensor is used for sensing ambient light intensity values. The method includes steps of detecting whether communication operation is carried out or not; acquiring an infrared light intensity value sensed by the infrared proximity sensor if the communication operation is carried out; detecting to judge whether the infrared light intensity value is larger than a proximity threshold value or not; acquiring an ambient light intensity value sensed by the ambient light intensity sensor if the infrared light intensity value is larger than the proximity threshold value; detecting to judge whether the ambient light intensity value is smaller than a preset intensity value or not; and locking the touch screen if the ambient light intensity value is smaller than the preset intensity value. The method and the system have the advantage that the threshold value of the infrared proximity sensor is set, so that influence of ambient light on the accuracy of a detection function of the infrared proximity sensor can be prevented.
Description
Technical field
The invention belongs to infrared ray proximity transducer field, relate in particular to a kind of method and system of portable terminal control touch-screen operating state.
Background technology
The capacitance touch screen smart mobile phone causes misoperation for preventing face's contact touch-screen, thereby adopts the infrared ray proximity transducer to respond to when conversation.The infrared ray proximity transducer is by the infrared LED lamp, form with the infrared light photosensitive sensor, infrared LED emission infrared light, when object proximity was arranged, a part of infrared light was reflexed to infrared light transducer[sensor by barrier, infrared light transducer[sensor induces the infrared light intensity level, when infrared light intensity value greater than one during near threshold value, mobile phone is thought has object close this moment, when conversation screen is extinguished, touch-screen is forbidden the response external action at this moment, causes misoperation because face contacts with touch-screen when avoiding conversing.And at the infrared light intensity level less than one during away from threshold value, mobile phone think this moment object away from, will automatically recover the state before the touch-screen.And in usual environment, exist a large amount of infrared rays to disturb; particularly under outdoor sunlight; infra-red intensity is very large; the infrared light intensity that strong infrared ray can make proximity transducer sense is interfered; affect approaching away from determine effect of infrared sensor; cause mobile phone approach away from erroneous judgement disconnected, the user is brought inconvenience.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method and system of portable terminal control touch-screen operating state, it compares ambient light intensity value and a preset strength value that ambient light sensor senses, in the ambient light intensity value during less than this preset strength value, according to the infrared ray proximity transducer state of touch-screen is adjusted, addressed the above problem with this.
The embodiment of the invention is to realize like this, a kind of method of portable terminal control touch-screen operating state, this portable terminal includes an infrared ray proximity transducer and an ambient light sensor, this infrared ray proximity transducer is used for sensing infrared light intensity level, this ambient light sensor is used for the sensitive context light intensity value, and the method may further comprise the steps:
Whether detect has a telephone operation;
When telephone operation is arranged, obtain the infrared light intensity level that the infrared ray proximity transducer senses;
Whether the infrared light intensity level that detection gets access to is greater than near threshold value;
Greater than near threshold value the time, obtain the ambient light intensity value that ambient light sensor senses at the infrared light intensity level that gets access to;
Whether detect this ambient light intensity value less than a preset strength value; And
During less than this preset strength value, lock this touch-screen in this ambient light intensity value.
Another purpose of the embodiment of the invention is to provide a kind of system of portable terminal control touch-screen operating state, this portable terminal includes an infrared ray proximity transducer and an ambient light sensor, this infrared ray proximity transducer is used for sensing infrared light intensity level, this ambient light sensor is used for the sensitive context light intensity value, and this system includes:
First detection module is for detection of whether a telephone operation is arranged;
The first acquisition module is used for obtaining the infrared light intensity level that the infrared ray proximity transducer senses when telephone operation is arranged;
The second detection module, for detection of the infrared light intensity level that gets access to whether greater than near threshold value;
The second acquisition module is used at the infrared light intensity level that gets access to obtaining the ambient light intensity value that ambient light sensor senses greater than near threshold value the time;
The 3rd detection module, for detection of this ambient light intensity value whether less than a preset strength value; And
Executive Module is used for during less than this preset strength value, locking this touch-screen in this ambient light intensity value.
In embodiments of the present invention, the method and system of portable terminal control touch-screen operating state, it is used for when telephone operation, obtain an infrared light intensity level, and when this infrared light intensity level greater than one during near threshold value, whether detect current ambient light intensity value less than a preset strength value, in current ambient light intensity value during less than this preset strength value, lock this touch-screen, and when current ambient light intensity value is not less than this preset strength value, keep the current state of this touch-screen, with this accuracy of avoiding ambient light effects infrared ray proximity transducer sensing infrared light, accurately control the operating state of mobile terminal touch screen.
Description of drawings
The method flow diagram of the portable terminal control touch-screen operating state that Fig. 1 embodiment of the invention provides.
Fig. 2 is the system module structure chart of the portable terminal control touch-screen operating state that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
As one embodiment of the present of invention, the portable terminal that Fig. 1 shows the embodiment of the invention to be provided is controlled the method flow diagram of touch-screen operating state, and it comprises that specifically step is:
Whether step S601, detecting has a telephone operation.
Step S602 when telephone operation is arranged, obtains the infrared light intensity level that the infrared ray proximity transducer senses.
Step S603, detect the infrared light intensity level get access to whether greater than one near threshold value.When the infrared light intensity level that gets access to is not more than this near threshold value, return step S602.
Step S604 greater than near threshold value the time, obtains the ambient light intensity value that ambient light sensor senses at the infrared light intensity level that gets access to.
Whether step S605 detects this ambient light intensity value less than a preset strength value.When this ambient light intensity value was not less than this preset strength value, execution in step S607 returned step S602 afterwards.
Step S606 during less than this preset strength value, locks this touch-screen in this ambient light intensity value.
Step S607 keeps this touch-screen to be in unlocked state.
Further, behind step S606, the method is further comprising the steps of: continue to obtain the infrared light intensity level that the infrared ray proximity transducer senses; The infrared light intensity level that detection gets access to whether less than one away from threshold value; And at the infrared light intensity level that gets access to less than this during away from threshold value, this touch-screen of release.In the present embodiment, when the infrared light intensity level that gets access to is not less than this away from threshold value, keep the current operating state of this touch-screen.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in the computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
Fig. 2 is the 100 modular structure figure of system of the portable terminal control touch-screen operating state that provides of the embodiment of the invention.In embodiments of the present invention, this portable terminal includes an infrared ray proximity transducer 10 and an ambient light sensor 20.This infrared ray proximity transducer 10 is used for sensing infrared light intensity level.This ambient light sensor 20 is used for the sensitive context light intensity value.This system 100 includes first detection module 31, the first acquisition module 32, the second detection module 33, the second acquisition module 34, the 3rd detection module 35 and Executive Module 36.
This first detection module 31 is for detection of whether a telephone operation is arranged.This first acquisition module 32 is used for obtaining the infrared light intensity level that the infrared ray proximity transducer senses when telephone operation is arranged.This second detection module 33 for detection of the infrared light intensity level that gets access to whether greater than one near threshold value.This second acquisition module 34 is used at the infrared light intensity level that gets access to obtaining the ambient light intensity value that ambient light sensor senses greater than near threshold value the time.The 3rd detection module 35 for detection of this ambient light intensity value whether less than a preset strength value.This Executive Module 36 is used for during less than this preset strength value, locking this touch-screen in this ambient light intensity value.
Further, this Executive Module 36 also is used for keeping this touch-screen to be in unlocked state when this ambient light intensity value is not less than this preset strength value.This first acquisition module 32 also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses when this ambient light intensity value is not less than this preset strength value.This second detection module 33 also for detection of the infrared light intensity level that gets access to whether greater than this near threshold value.This second acquisition module 34 also is used for during near threshold value, obtaining the ambient light intensity value that ambient light sensor senses greater than this at this infrared light intensity level that gets access to.The 3rd detection module 35 also for detection of this ambient light intensity value whether less than this preset strength value.This Executive Module 36 also is used for during less than this preset strength value, locking this touch-screen in this ambient light intensity value.
Further, this first acquisition module 32 also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses when the infrared light intensity level that gets access to is not more than near threshold value.This second detection module 33 also for detection of the infrared light intensity level that gets access to whether greater than near threshold value.This second acquisition module 34 also is used at the infrared light intensity level that gets access to obtaining the ambient light intensity value that ambient light sensor senses greater than near threshold value the time.
Further, this first acquisition module 32 also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses behind this touch-screen of locking.This second detection module 33 also for detection of the infrared light intensity level that gets access to whether less than one away from threshold value.This Executive Module 36 also is used at the infrared light intensity level that gets access to less than this during away from threshold value, this touch-screen of release.In the present embodiment, this Executive Module 36 also is used for keeping the current operating state of this touch-screen when the infrared light intensity level that gets access to is not less than this away from threshold value.
For example, when having detected telephone operation, the first acquisition module obtains the infrared light intensity level X that infrared ray proximity transducer 10 senses, when infrared ray intensity level X greater than near threshold value M, then the second acquisition module obtains the ambient light intensity value Y that ambient light sensor 20 senses, when ambient light intensity value Y less than preset strength value N, lock this touch-screen; Then the first acquisition module continues to obtain the infrared light intensity level X that infrared ray proximity transducer 10 senses, when infrared ray intensity level X less than one during away from threshold value L, this touch-screen of release.
The method and system of portable terminal control touch-screen operating state of the present invention, it is used for when telephone operation, obtain an infrared light intensity level, and when this infrared light intensity level greater than one during near threshold value, whether detect current ambient light intensity value less than a preset strength value, in current ambient light intensity value during less than this preset strength value, lock this touch-screen, and when current ambient light intensity value is not less than this preset strength value, keep the current state of this touch-screen, with this accuracy of avoiding ambient light effects infrared ray proximity transducer sensing infrared light, accurately control the operating state of mobile terminal touch screen.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for portable terminal control touch-screen operating state, this portable terminal includes an infrared ray proximity transducer and an ambient light sensor, this infrared ray proximity transducer is used for sensing infrared light intensity level, this ambient light sensor is used for the sensitive context light intensity value, and it is characterized in that: the method may further comprise the steps:
Whether detect has a telephone operation;
When telephone operation is arranged, obtain the infrared light intensity level that the infrared ray proximity transducer senses;
The infrared light intensity level that detection gets access to whether greater than one near threshold value;
Greater than near threshold value the time, obtain the ambient light intensity value that ambient light sensor senses at the infrared light intensity level that gets access to;
Whether detect this ambient light intensity value less than a preset strength value; And
During less than this preset strength value, lock this touch-screen in this ambient light intensity value.
2. the method for portable terminal as claimed in claim 1 control touch-screen operating state is characterized in that: detect this ambient light intensity value whether less than this preset strength value step after, the method also includes:
When this ambient light intensity value is not less than this preset strength value, keep this touch-screen to be in unlocked state;
Continue to obtain the infrared light intensity level that the infrared ray proximity transducer senses;
The infrared light intensity level that detection gets access to whether greater than this near threshold value;
During near threshold value, obtain the ambient light intensity value that ambient light sensor senses greater than this at this infrared light intensity level that gets access to;
Whether detect this ambient light intensity value less than this preset strength value; And
During less than this preset strength value, lock this touch-screen in this ambient light intensity value.
3. the method for portable terminal as claimed in claim 1 control touch-screen operating state is characterized in that: during less than a preset strength value, after the touch-screen step of locking portable terminal, the method also includes in this ambient light intensity value:
Continue to obtain the infrared light intensity level that the infrared ray proximity transducer senses;
The infrared light intensity level that detection gets access to whether less than one away from threshold value; And
At the infrared light intensity level that gets access to less than this during away from threshold value, this touch-screen of release.
4. the method for portable terminal as claimed in claim 1 control touch-screen operating state is characterized in that: at infrared light intensity level that detection gets access to whether greater than after near threshold step; The method also includes:
When the infrared light intensity level that gets access to is not more than near threshold value, continue to obtain the infrared light intensity level that the infrared ray proximity transducer senses;
Whether the infrared light intensity level that detection gets access to is greater than near threshold value; And
Greater than near threshold value the time, obtain the ambient light intensity value that ambient light sensor senses at the infrared light intensity level that gets access to.
5. the method for portable terminal as claimed in claim 3 control touch-screen operating state is characterized in that: infrared light intensity level that detection gets access to whether less than one away from threshold step after, the method also includes:
When the infrared light intensity level that gets access to is not less than this away from threshold value, keep the current operating state of this touch-screen.
6. the system of portable terminal control touch-screen operating state, this portable terminal includes an infrared ray proximity transducer and an ambient light sensor, this infrared ray proximity transducer is used for sensing infrared light intensity level, this ambient light sensor is used for the sensitive context light intensity value, and it is characterized in that: this system includes;
First detection module is for detection of whether a telephone operation is arranged;
The first acquisition module is used for obtaining the infrared light intensity level that the infrared ray proximity transducer senses when telephone operation is arranged;
The second detection module, for detection of the infrared light intensity level that gets access to whether greater than near threshold value;
The second acquisition module is used at the infrared light intensity level that gets access to obtaining the ambient light intensity value that ambient light sensor senses greater than near threshold value the time;
The 3rd detection module, for detection of this ambient light intensity value whether less than a preset strength value; And
Executive Module is used for during less than this preset strength value, locking this touch-screen in this ambient light intensity value.
7. portable terminal as claimed in claim 6 is controlled the system of touch-screen operating state, it is characterized in that: this Executive Module also is used for keeping this touch-screen to be in unlocked state when this ambient light intensity value is not less than this preset strength value; This first acquisition module also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses when this ambient light intensity value is not less than this preset strength value; This second detection module also for detection of the infrared light intensity level that gets access to whether greater than this near threshold value; This second acquisition module also is used for during near threshold value, obtaining the ambient light intensity value that ambient light sensor senses greater than this at this infrared light intensity level that gets access to; The 3rd detection module also for detection of this ambient light intensity value whether less than this preset strength value; And this Executive Module also is used for during less than this preset strength value, locking this touch-screen in this ambient light intensity value.
8. portable terminal as claimed in claim 6 is controlled the system of touch-screen operating state, it is characterized in that: this first acquisition module also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses behind the touch-screen of locking portable terminal; This second detection module also for detection of the infrared light intensity level that gets access to whether less than one away from threshold value; And this Executive Module also is used at the infrared light intensity level that gets access to less than this during away from threshold value this touch-screen of release.
9. portable terminal as claimed in claim 6 is controlled the system of touch-screen operating state, it is characterized in that: this first acquisition module also is used for continuing to obtain the infrared light intensity level that the infrared ray proximity transducer senses when the infrared light intensity level that gets access to is not more than near threshold value; This second detection module also for detection of the infrared light intensity level that gets access to whether greater than near threshold value; And this second acquisition module also is used at the infrared light intensity level that gets access to obtaining the ambient light intensity value that ambient light sensor senses greater than near threshold value the time.
10. portable terminal as claimed in claim 8 is controlled the system of touch-screen operating state, it is characterized in that: this Executive Module also is used for keeping the current operating state of this touch-screen when the infrared light intensity level that gets access to is not less than this away from threshold value.
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| CN2012103642307A CN102883061A (en) | 2012-09-26 | 2012-09-26 | Method and system for controlling working state of touch screen of mobile terminal |
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| CN2012103642307A CN102883061A (en) | 2012-09-26 | 2012-09-26 | Method and system for controlling working state of touch screen of mobile terminal |
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| CN104407399A (en) * | 2014-12-02 | 2015-03-11 | 三星半导体(中国)研究开发有限公司 | Method for calibrating proximity sensor in portable terminal |
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Application publication date: 20130116 |