Desktop device used for protecting eyesight of students in learning and provided with lock and method

The invention provides a desktop device used for protecting the eyesight of students in learning and provided with a lock and a method. A single-chip microcomputer, a distance measuring sensor and a loudspeaker are installed in a box type base; the box type base is fixedly installed on a desktop; th...

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Bibliographic Details
Main Authors ZHAO JIEMING, ZHAO GUOGUI, ZHAO QINGXIN
Format Patent
LanguageChinese
English
Published 08.06.2021
Subjects
ALARM SYSTEMS
CABINETS
COFFEE MILLS
DESKS
DOMESTIC ARTICLES OR APPLIANCES
DRAWERS
FURNITURE
GENERAL DETAILS OF FURNITURE
HUMAN NECESSITIES
OFFICE FURNITURE
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TABLES
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Summary:The invention provides a desktop device used for protecting the eyesight of students in learning and provided with a lock and a method. A single-chip microcomputer, a distance measuring sensor and a loudspeaker are installed in a box type base; the box type base is fixedly installed on a desktop; the distance measuring sensor detects the distance between the head of a student and the distance measuring sensor; the loudspeaker gives out alarm sound for prompting the student to keep the eyes far away from a book; the student cannot arbitrarily move or turn off the distance measuring sensor and cannot arbitrarily adjust a detection distance standard; and a parent opens the box type base with a key to adjust the detection distance standard and alarm sound in stages to train the student to gradually develop a healthy eye using habit for reading and learning; and the single-chip microcomputer, a camera and the loudspeaker are installed in the box type base, the parent opens the box type base with a key to adjust a
Bibliography:Application Number: CN202110279373