Dual technology intruder detection system with modular optics
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United States of America Patent
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May 24, 1988
Grant Date -
N/A
app pub date -
Jun 30, 1986
filing date -
Jun 30, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed herein is a dual technology intruder detection system which features a modular optical system by which the field of protection of one subsystem can be changed relative to the field of view of the other by merely altering the orientation of one optical module relative to another. Such modular optical system includes a multifaceted reflector having two sets of planar reflective facets. Depending on the orientation of such multifaceted reflector relative to a separate spherical reflector, two different fields of view are provided, whereby false alarm-producing can be avoided.
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Cited Art Landscape
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