Eyesight protective device

The invention provides an eyesight protective device. The eyesight protective device comprises a distance measuring module, a single chip microcomputer, a distance display module and a power supply, wherein the distance measuring module and the distance display module are connected with the single c...

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Main Authors SHANGGUAN GUANGXIAN, YE XIAOQING, WANG XIANGQING, YI QIZHONG, FANG ZHENG, LIN YIPENG, MEI MANLIN, CAI BINGJIE, YI MINGJIE, GAO JIANLING
Format Patent
LanguageEnglish
Published 13.05.2015
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:The invention provides an eyesight protective device. The eyesight protective device comprises a distance measuring module, a single chip microcomputer, a distance display module and a power supply, wherein the distance measuring module and the distance display module are connected with the single chip microcomputer respectively; the distance measuring module and the distance display module are connected with the power supply respectively. The eyesight protective device has the three functions of light measuring, distance measuring and metering, can be used for automatically promoting if a user writes closely, measuring the illumination intensity of the writing or reading environment of the user, and enabling the user to properly rest and adjust after writing or reading for a long time under the time prompting, is various in function and capable of effectively solving the eyesight problem of the teenager.
Bibliography:Application Number: CN2015144076