EYESIGHT PROTECTION DEVICE, EYESIGHT PROTECTION SYSTEM AND DETECTION METHOD FOR EYESIGHT PROTECTION DEVICE
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Sep 17, 2021
filing date -
Sep 17, 2021
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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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