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Mobile phone part with sensitization function

A mobile phone and component technology, which is applied in the field of mobile phone components with photosensitive function to achieve the effect of increasing the use time of power supply and reducing power consumption

Inactive Publication Date: 2009-10-07
LONGSUNG TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to add a device for automatically detecting external light in the mobile phone to solve the detection of the brightness of the external light, and at the same time use the detected light brightness to control the auxiliary light source of the keyboard and the brightness of the screen. For this reason, this The purpose of the invention is to provide a mobile phone component with photosensitive function

Method used

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  • Mobile phone part with sensitization function
  • Mobile phone part with sensitization function
  • Mobile phone part with sensitization function

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Embodiment Construction

[0014] Combine below Figure 1-Figure 3 The preferred embodiments of the present invention are given to describe the technical solutions of the present invention in detail, so that those skilled in the art can more easily understand the structural features and functional characteristics of the present invention, rather than to limit the scope of the present invention.

[0015] figure 1 It is the photosensitive unit U1, which realizes the function of external light detection. What is used is a chip with photosensitive function, the model is CM3000 or CM3200 of CAPELLA. CM3000 can judge according to the pre-set light brightness, and will give a high or low signal of whether the external light is stronger or weaker than the set light brightness; CM3200 will give a linear signal according to the intensity of external light changing analog signal.

[0016] figure 2 It is the energy-saving control unit U2, which realizes the function of controlling the light source of the mobil...

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Abstract

A mobile phone component with a photosensitive function, mainly used to control the keyboard auxiliary light source that provides the brightness of the keyboard and screen background, so as to achieve the purpose of saving energy. The control unit U2 uses the light detection unit U1 to control the energy-saving control unit U2 by the signal S1 of the detected keyboard background light brightness, and then U2 generates brightness control signals S2 and S3 to control the screen brightness F2 and the keyboard auxiliary light source F3. The invention overcomes the energy waste caused by the inability to control the keyboard auxiliary light source in the prior art.

Description

technical field [0001] The invention relates to a mobile phone component, in particular to a mobile phone component with photosensitive function. Background technique [0002] Mobile phones are increasingly pursuing fashion and beauty, and the size of mobile phones is becoming smaller and thinner. In this way, the battery on the phone will also be thinner and have a smaller capacity. For the user, the use time will be shortened. [0003] In the current mobile phone design, the keyboard generally adds an auxiliary light source, so that when the light is weak, the content on the keyboard can be seen clearly; content, but the light source is still on. At the same time, the screen of the mobile phone also needs to be turned on when it is working, so that the user can see clearly, but in terms of the same brightness, when the external light is strong, the screen will appear darker, and when the external light is weak, it will be dazzling. Generally, it will be set to the brig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/23
Inventor 韩立春
Owner LONGSUNG TECH SHANGHAI