Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1982-02-10
1985-04-09
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
250340, 340600, 340693, G01J 100
Patent
active
045104883
ABSTRACT:
A passive infrared intrusion detector is configured to resemble an electrical wall outlet. The unit includes a light for visually indicating the direction of its beam of sensitivity, and a lens unit which facilitates directional adjustment of the beam.
REFERENCES:
patent: 4447726 (1984-05-01), Mudge et al.
Mountain West Alarm, Cat. A76, p. 13, Phoenix, AZ, 1975.
Settanni Richard
St. Jean Herbert N.
Cerberus AG
Swann III Glen R.
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