Infrared intrusion detector with field of view locator

Details Infrared intrusion detector with field of view locator Infrared intrusion detector with field of view locator

1984-08-27

1987-02-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250342, G01V 904

Patent

active

046424547

ABSTRACT:
Passive infrared intrusion detector with means for determining the location of the fields of view covered by the system. In one disclosed embodiment, a small mirror is positioned near the sensing element and oriented so that a person looking at this mirror sees the fields of view through the optical system of the detector. A reference mark on the mirror appears in each of the fields seen by the person.

REFERENCES:
patent: 3475608 (1969-10-01), Pardes
patent: 3500048 (1970-03-01), Menke
patent: 3594578 (1971-07-01), Ohman
patent: 4087689 (1978-05-01), Asawa
patent: 4258255 (1981-03-01), Guscott
patent: 4268752 (1981-05-01), Herwig et al.
patent: 4447726 (1984-05-01), Mudge et al.
patent: 4498002 (1985-02-01), Tekirdaglis

Affiliated with

Also associated with

Rating

Infrared intrusion detector with field of view locator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Infrared intrusion detector with field of view locator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Infrared intrusion detector with field of view locator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2364018