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:
Oct. 08, 2002
Filed:
Nov. 22, 1999
Applicant:
Inventors:
Bryan Lorrain Humphreys Wilson, Northants, GB;
Stephen Hollock, Lechlade, GB;
Stephen George Porter, Northants, GB;
Assignee:
Infrared Integrated Systems, Ltd., Northants, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 2/300 ;
U.S. Cl.
CPC ...
G08B 2/300 ;
Abstract
A sensor comprising an array of detectors for e.g. infrared radiation of the type for use in security or surveillance application has means for identifying the entry of an object into a first selected area of a scene and means for generating a warning or alarm signal after a first predetermined period of time during which there is no movement of the body within the first selected area.