Limiting method for watching TV at close distance, and TV set

A technology for watching TV and TV devices, applied in the field of TV sets, can solve the problems of difficult setting for users, high implementation cost, complex hardware structure, etc., and achieve the effects of vision protection and low cost
CN1874415AInactive Publication Date: 2006-12-06KONKA GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KONKA GROUP
Publication Date
2006-12-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The method thereof comprises: an infrared human body detection module is used to detect the area in front of a TV set in order to decide if there is a person in the area; if there is a person detected in the area, the detection module starts a time keeping; if before the ending of the time keeping the person has not yet left the area, the brightness of TV set is gradually reduced and until to a lowest brightness value; when the detection module detects the person has left the area, it recovers the brightness of TV screen. The apparatus thereof comprises an infrared human body detection module, a CPU, a memory, a backlight source of display screen. The detection signal of infrared human body detection module controls the brightness of display screen through the CPU.
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Description

technical field

[0001] The invention relates to the technical field of televisions, in particular to a method for restricting watching television at a close distance and a television device implementing the method. Background technique

[0002] Along with the development of science and technology, multimedia technologies such as TV have been widely used in millions of households. Today, with more and more TV programs, TV sets have become an indispensable household appliance for ordinary people. Television can not only help users spend their leisure time, but also bring them rich knowledge at the same time. Due to the lack of self-awareness to protect eyesight, many children have developed the bad habit of watching TV at close range. Childhood is a critical period for visual development. Watching TV at close range for a long time can easily cause myopia, which will have an irreparable impact on lifelong visual health.

[0003] The adverse effect of watching TV at close ran...

Claims

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