LIGHT CURTAIN
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Feb 21, 2013
filing date -
Feb 21, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light curtain to detect objects within a monitored region comprises an arrangement of transmitters that emit light rays, an arrangement of receivers for receiving the light rays, and an evaluation unit in which an object detection signal is generated in dependence on signals present at an output of the receivers. The transmitters and the receivers are activated via output lines of an arrangement of computing units, wherein the computing units make it possible to freely select points in time for activating individual transmitters and receivers.
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