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:
Sep. 24, 2002
Filed:
Apr. 27, 2001
Applicant:
Inventor:
Steve Martin Brooks, Pyrford, GB;
Assignee:
Pet Mate Limited, Surrey, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 1/00 ; E06B 3/00 ;
U.S. Cl.
CPC ...
A01K 1/00 ; E06B 3/00 ;
Abstract
An electro-magnetically controlled pet door having a door ( ) pivotally mounted in a door aperture ( ) of a frame ( ) and an electrically controlled catch mechanism normally preventing opening of the door in at least one direction that is released when a magnet ( ) carried by an animal approaching the door is sensed by two or more reed switches ( ) on or in the frame mounted and connected electrically in parallel. The switches ( ) are disposed in an array extending circumferentially of said door aperture and have normally open contacts and magnetic biasing means ( ) are associated with the reed switches and positioned laterally thereof to increase their sensitivity.