Title:
ELECTRONIC DISPLAY APPARATUS CAPABLE OF PROTECTING EYESIGHT
Document Type and Number:
WIPO Patent Application WO/2021/208114
Kind Code:
A1
Abstract:
Provided is an electronic display apparatus capable of protecting eyesight, the apparatus comprising: a shell (10), a power supply unit, a main control unit and a display unit (30), wherein the main control unit is arranged in the shell (10); the display unit (30) and the power supply unit are both connected to the main control unit; and the shell (10) is provided with a display screen of the display unit (30), and the shell (10) is provided with at least one ultrasonic ranging unit (40) connected to the main control unit, and an alarm unit. The ultrasonic ranging unit (40) is used for measuring the numerical value of the distance between a user and the display screen, and the alarm unit is used for giving an alarm to the user when the numerical value of the distance is lower than a set value. The electronic display apparatus capable of protecting eyesight can test eyesight and remind a user to protect eyesight, and is more beneficial to the eye health of the user.
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Inventors:
CHEN YONG (CN)
Application Number:
PCT/CN2020/085683
Publication Date:
October 21, 2021
Filing Date:
April 20, 2020
Export Citation:
Assignee:
SHENZHEN RONGNA HAICHUAN TECH CO LTD (CN)
International Classes:
G09F9/00; G08B21/24
Foreign References:
| CN206601649U | 2017-10-31 | |||
| CN207938292U | 2018-10-02 | |||
| CN203250240U | 2013-10-23 | |||
| CN102508517A | 2012-06-20 | |||
| CN110782635A | 2020-02-11 | |||
| CN201611515U | 2010-10-20 | |||
| US6384730B1 | 2002-05-07 |
Attorney, Agent or Firm:
SHENZHEN SHENLIAN INTELLECTUAL PROPERTY OFFICE (CN)
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