Electric eye
id:
electric-eye-216-2411798
title:
Electric eye
text:
An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam. The device does not provide an image; only the presence of light is detectable. Visible light may be used, but infrared radiation conceals the operation of the device and typically is used in modern
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Electric_eye
date created:
2006-06-19T14:58:17Z
date modified:
2024-09-12T23:07:51Z
main entity:
{"identifier":"Q12410294","url":"https://www.wikidata.org/entity/Q12410294"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/31/Electric_eye_for_garage_door_opener.jpg","width":4549,"height":3127}
fields total:
13
integrity:
15