INSPECTION DEVICE FOR EMERGENCY LIGHTING EQUIPMENT
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United States of America Patent
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Issued Date -
Feb 10, 2022
app pub date -
May 15, 2021
filing date -
May 15, 2021
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Abstract
An inspection device including a switch, a photo sensing element and a control module, where the switch is coupled between an alternating current power source and an emergency lighting device and is switched by the control module; the photo sensing element is used for sensing a lighting state of the emergency lighting device; and the control module is used to receive a command from a handheld device and transmit a detection result to the handheld device via a wireless communication.
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