The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 1978
Filed:
Nov. 04, 1976
Applicant:
Inventor:
Hansjurg Keller, Mannedorf, CH;
Assignee:
Cerberus AG, Mannedorf, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ; G01J / ;
U.S. Cl.
CPC ...
250342 ; 250338 ; 250353 ; 350-11 ;
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.