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Electronic device avoiding watching television at close range

A technology for watching TV and electronic devices, which is applied in the field of electronic devices to prevent watching TV at close range, so as to prevent eye damage

Pending Publication Date: 2016-07-13
SHANTOU OSCAR NETWORK TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The phenomenon of myopia among teenagers is getting worse and worse. Even in the first grade of primary school, many of them wear glasses. More than 80% of the survey reports on myopia among primary school students point the finger at TV. Watching TV too close is one of the important reasons. It is the chief culprit of primary school students' myopia; but there is no electronic product with the function of preventing close watching TV on the market, so we have developed a device for preventing close watching TV, preventing children from watching TV at close distance, and reducing the impact of TV on children. vision damage

Method used

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  • Electronic device avoiding watching television at close range
  • Electronic device avoiding watching television at close range
  • Electronic device avoiding watching television at close range

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Embodiment Construction

[0020] The following is a detailed explanation of the present invention in conjunction with the accompanying drawings, and this example is only for explanation and not intended to limit the present invention.

[0021] The circuit schematic diagram of this example is as follows image 3 As shown, after the power input terminal J7 is powered on, the preset distance gear is selected through the function selection module (1), and the data is stored in the storage chip U4, and then the control module (2) drives the ultrasonic sensor L and the sensor R to emit ultrasonic waves , and at the same time the control module (2) starts to start the internal timer to start timing. The emitted ultrasonic wave hits an obstacle and forms a reflected wave that acts on the ultrasonic sensor (8), and the formed signal is amplified by the operational amplifier U3 and then sends an interrupt request to the control module (2); after receiving the interrupt request signal, respond immediately Interr...

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Abstract

Provided is an electronic device avoiding watching television at close range, characterized by comprising an ultrasonic ranging circuit, a voice module (6), a display module (5), a function selection module (1) and a control module (2); the ultrasonic ranging circuit, the voice module (6), the display module (5) and the function selection module (1) are all in connection with the control module (2); when the measured value of the ultrasonic ranging circuit exceeds the setting value of the function selection module (1), the control module (2) drives the voice module (6) and the display module (5).

Description

technical field [0001] The patent of the present invention relates to an electronic device, in particular to an electronic device for preventing watching TV at a close distance. Background technique [0002] The phenomenon of myopia among teenagers is getting worse and worse. Even in the first grade of primary school, many of them wear glasses. More than 80% of the survey reports on myopia among primary school students point the finger at TV. Watching TV too close is one of the important reasons. It is the chief culprit of primary school students' myopia; but there is no electronic product with the function of preventing close watching TV on the market, so we have developed a device for preventing close watching TV, preventing children from watching TV at close distance, and reducing the impact of TV on children. Vision damage. Contents of the invention [0003] The patent of this invention is to solve the problem of children watching TV at a close distance. By making an ...

Claims

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Application Information

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IPC IPC(8): G08B21/24
CPCG08B21/24
Inventor 不公告发明人
Owner SHANTOU OSCAR NETWORK TECH CO LTD
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