Method and system for adjusting sensing threshold value of proximity sensor
A proximity sensor and threshold technology, applied in the field of electronics, can solve the problems of decreased sensitivity, increased system burden, and affected mobile phone performance, etc., to achieve the effects of reducing loss, improving sensitivity, and reducing burden
Active Publication Date: 2016-11-09
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
View PDF3 Cites 6 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the proximity sensor is easily affected by environmental factors, the user's motion status, and the performance degradation of the mobile phone itself, resulting in a decrease in sensitivity. Therefore, in order to improve the sensitivity of the proximity sensor, the current mobile phone will use a specific algorithm to sense the proximity sensor after the proximity sensor is turned on. The threshold is dynamically adjusted to eliminate the impact of environmental factors or performance degradation of the mobile phone itself on the sensitivity of the proximity sensor
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] The content of the present invention will be further described in detail below in conjunction with preferred embodiments and accompanying drawings. Apparently, the embodiments described below are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be understood that although the terms "first", "second", etc. are used hereinafter to describe various information, these information should not be limited to these terms, and these terms are only used to distinguish information of the same type from each other. For example, "first" information may also be referred to as "second" information without departing from the scope of the present invention, and similarly, "second" information may also be referred to as "first" information. ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a method and a system for adjusting a sensing threshold value of a proximity sensor. The method comprises the following steps of: acquiring a reflected infrared intensity value measured by the proximity sensor; judging state of the proximity sensor through the reflected infrared intensity value and the sensing threshold value of the proximity sensor; if it is judged that the proximity sensor is in a remote state, calculating a change value of the reflected infrared intensity value; and when the change value is greater than a set value, executing an algorithm of adjusting the sensing threshold value of the proximity sensor, and adjusting the sensing threshold value of the proximity sensor according to the reflected infrared intensity value. With the method and the system provided by the invention, sensitivity of the proximity sensor can be improved through adjusting the sensing threshold value, and writing data frequently into a sensing threshold value register is avoided, thus, system load is reduced, and chip loss is decreased.
Description
technical field [0001] The invention relates to the field of electronic technology, in particular to a method and system for adjusting the sensing threshold of a proximity sensor. Background technique [0002] With its increasingly powerful functions, touch-type mobile phones have been widely used in daily life. When the user is on a call, the face close to the touch screen of the mobile phone will cause the phone to hang up due to false triggering. Therefore, a proximity sensor is usually installed on the mobile phone. The proximity sensor can determine whether the user's face is close to the mobile phone, and when the face is close to the mobile phone Turn off the phone's touch screen to prevent false triggering. [0003] At present, proximity sensors have been widely used in various applications of mobile phones, such as calls, automatic backlight, touch screen black screen gestures, fingerprint control and so on. The proximity sensor can measure the reflected infrared ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): H04M1/725G06F3/01G06F3/041
CPCG06F3/011G06F3/0416H04M1/72403H04M1/72454H04M1/72463
Inventor 张强
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD