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:
May. 02, 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 ; 350-14 ;
Abstract
An infrared radiation-burglary detector comprising an optical system for focusing the radiation upon a radiation receiver. One or more internally reflecting prism surfaces enclose the axis of the optical system and are arranged substantially parallel to such axis.