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Distance reminding device

A technology of reminding device and distance measuring device, which is applied in the direction of measuring device, re-radiation of sound waves, and re-radiation of electromagnetic waves, etc., can solve the problem that teachers and parents cannot be reminded all the time, so as to reduce the probability of myopia, the structure is simple, the Easy-to-use effects

Inactive Publication Date: 2013-10-09
崔良心
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  • Description
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Problems solved by technology

In fact, teachers and parents will give reminders when students are found to be learning at close distances, but it is impossible for teachers and parents to remind them all the time

Method used

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  • Distance reminding device

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing.

[0012] Such as figure 1 As shown, a distance reminding device of the present invention includes a casing and a distance measuring device, and the distance measuring device includes a sensing unit, a distance measuring unit, an analysis unit, a control unit and a display unit, and the display unit is arranged on the outside of the casing, and the transmission The sensing unit is arranged on the upper part of the casing, and the ranging unit, analyzing unit and control unit are arranged inside the casing, and the sensing unit, ranging unit, analyzing unit, controlling unit and displaying unit are electrically connected in sequence.

[0013] The sensing unit of the present invention is preferably mainly composed of an ultrasonic signal transceiver or an infrared transceiver, and the ultrasonic or infrared measurement is accurate and fast.

[0014] The control unit of the pres...

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Abstract

The invention discloses a distance reminding device which comprises an outer shell and a distance measurement device. The distance measurement device comprises a sensing unit, a distance measurement unit, an analysis unit, a control unit and a display unit, wherein the display unit is arranged outside the outer shell, the sensing unit is arranged on the upper portion of the outer shell, the distance measurement unit, the analysis unit and the control unit are arranged inside the outer shell, and the sensing unit, the distance measurement unit, the analysis unit, the control unit and the display unit are sequentially and electrically connected. The distance reminding device has the advantages of being simple in structure, convenient to use and capable of reminding a user whether the learning distance at present is normal or not at any time, and effectively reducing the short-sightedness occurrence probability.

Description

technical field [0001] The invention relates to a reminding device, in particular to a distance reminding device. Background technique [0002] At present, myopia is very common among students. Most of the reasons are that students study at close range, which affects the health of the eyes. In fact, teachers and parents will give reminders when students are found to be learning at close range, but it is impossible for teachers and parents to remind them all the time. For better prevention and treatment of students' myopia, a kind of reminding device that can remind students at any time whether to study at a close distance is needed. Contents of the invention [0003] Aiming at the above-mentioned problems in the prior art, the present invention provides a distance reminding device, which can remind students at any time whether the distance is normal when studying, and effectively reduce the probability of myopia. [0004] In order to achieve the above object, a distance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/08G01S17/08
Inventor 崔良心
Owner 崔良心
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