Area monitoring sensor
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United States of America Patent
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Aug 21, 2012
Grant Date -
Dec 3, 2009
app pub date -
Apr 21, 2009
filing date -
Jun 3, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides an area monitoring sensor capable of setting a monitor area without connecting a terminal device for area setting. The area monitoring sensor that emits detection light in different emitting directions and senses an intruder within a monitor area based on reflection of the detection light, the monitor area being previously set as a polygonal shaped area defined by three or more sides, the sensor being provided on a first side out of the sides of the monitor area, and includes a side selecting unit that selects a second side other than the first side out of the three or more sides that define the monitor area based on an operation input; a distance specifying unit that specifies a distance between the area monitoring sensor and the second side that is being selected by the side selecting unit based on an operation input.
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