Pyroelectric infrared detector
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United States of America Patent
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Apr 25, 1989
Grant Date -
N/A
app pub date -
May 28, 1987
filing date -
May 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pyroelectric infrared detector for use in, for example, an intrusion alarming system has a pyroelectric element, a FET for picking up the output of the pyroelectric element, a capacitor connected in parallel to the pyroelectric element, and other circuit parts. These constituent parts are integrally packed in a package.
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