The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 13, 2025

Filed:

Sep. 17, 2021
Applicants:

Beijing Boe Sensor Technology Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Xiao Zheng, Beijing, CN;

Jiaqiang Wang, Beijing, CN;

Yonghui Wang, Beijing, CN;

Zhong Hu, Beijing, CN;

Shaobo Han, Beijing, CN;

Guo Liu, Beijing, CN;

Wei Sun, Beijing, CN;

Chen Meng, Beijing, CN;

Feng Qu, Beijing, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 21/24 (2006.01); A61H 5/00 (2006.01); G08B 7/06 (2006.01);
U.S. Cl.
CPC ...
G08B 21/24 (2013.01); A61H 5/00 (2013.01); G08B 7/06 (2013.01);
Abstract

The present disclosure provides an eyesight protection device, an eyesight protection system and an detection method for the eyesight protection device, which belongs to the technical field of communication, and can solve some problems in the prior art. The present disclosure provides an eyesight protection device, which includes: a millimeter-wave radar detection circuit, a control circuit and an alarm circuit. The millimeter-wave radar detection circuit is configured to detect a distance between a user and a reading material read by the user. The control circuit is configured to generate a first control signal at least when it is determined that the distance detected by the millimeter-wave radar detection circuit is smaller than a first predetermined value. The alarm circuit is configured to send out an alarm signal in response to the first control signal.


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