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Detection method and mobile terminal

A technology of a mobile terminal and a detection method, which is applied to measurement devices, distance measurement, line-of-sight measurement, etc., can solve problems such as affecting the infrared ranging function of mobile terminals, and achieve the effect of eliminating the influence and improving the emission energy.

Active Publication Date: 2018-03-09
VIVO MOBILE COMM CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a detection method to solve the problem that the film affects the infrared ranging function of the mobile terminal

Method used

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  • Detection method and mobile terminal

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] figure 1 It shows a schematic diagram of the propagation path of light in the case of no film and with film on the screen of the mobile terminal. It should be noted, figure 1 It is only an example that the mid-infrared transmitter and the infrared receiver are two different units. figure 1 The IR emitter and IR receiver in an IR can be integrated into a unit called an IR sensor.

[0032] Such as figure 1 As shown, when there is no film on th...

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Abstract

The invention discloses a detection method and a mobile terminal. The method includes detecting a current capacitance value of a screen of the mobile terminal; judging whether or not the screen of themobile terminal is coated with a film according to the current capacitance value and a preset capacitance value, and if yes, judging whether or not the film affects an infrared distance measurement function of the mobile terminal; if yes, determining the thickness of the film; when the thickness of the film is larger than a first preset thickness threshold value and smaller than a second preset thickness threshold value, increasing emission energy of an infrared sensor to reduce influence of the film on the infrared distance measurement function of the mobile terminal; when the thickness of the film is larger than or equal to the second preset thickness threshold value, prompting users that the thickness of the film is not proper and film replacement is needed, wherein the second preset thickness threshold value is larger than the first preset thickness threshold value. By the detection method, the influences of the film on the infrared distance measurement function of the mobile terminal can be reduced or eliminated.

Description

technical field [0001] The invention relates to the field of terminals, in particular to a detection method and a mobile terminal. Background technique [0002] At present, most smart phones have the function of distance detection, and the most commonly used distance detection method is to use infrared light sensing and distance detection. Hide the infrared transmitter and receiver under the screen of the smartphone, use the infrared transmitter to emit a certain amount of infrared energy, pass through the glass cover of the screen and reflect it to the infrared receiver from the outside, and judge the smart phone according to the time difference between transmission and reception. The distance between the phone and external objects. [0003] Most users like to protect their mobile phones with film, but the shape and thickness of mobile phone film are different. If you use non-standard film, it may cover the infrared hole on the mobile phone, resulting in the attenuation of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C3/00G01B11/06G01V3/00
CPCG01B11/06G01C3/00G01V3/00
Inventor 张潮红
Owner VIVO MOBILE COMM CO LTD
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