Title: Infrared radiation-burglary detector

Abstract: An infrared radiation-burglary detector comprising a number of reflector surfaces which focus the radiation incident from different separate receiving regions upon a common radiation receiver. The reflector surfaces are arranged and aligned such that the intersection locations of the receiving regions, viewed in the radiation direction, are located behind the front of the detector.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Keller, Hansjurg (Mannedorf, CH)

Application Number: 738909
Filing Date: 1976-11-04
Publication_date: 1978-03-28
Assignee: Cerberus AG (Mannedorf, CH)
Primary Class(es): 250/342 250/338.1, 250/353, 250/DIG1, 359/350
Other Classes:
US Patent Ref:

RE29082	Dec, 1976	Schwarz	250/342.
3703718	Nov, 1972	Berman	250/338.
3829693	Aug, 1974	Schwarz	250/342.
3988726	Oct, 1976	Reiss et al.	250/338.

Other Refs:
Primary Examiner: Borchelt, Archie R.
Assistant Examiner:
Attorney: Kleeman; Werner W.