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:
Jun. 08, 1976
Filed:
Jun. 14, 1973
Applicant:
Inventors:
Ashtyn Hereward Smith, Carmarthenshire, WA;
John Egon Forbat, Hartley Wintney, EN;
Assignee:
Inertia Switch Limited, Hartley Wintney, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340276 ; 200 6193 ; 3402 / ; 340261 ; 340409 ;
Abstract
A monitoring system for use as an intruder alarm comprises a sensor loop including at least one set of normally-closed contacts. An integrator circuit is coupled to the sensor loop and provides an alarm signal to an alarm when a set of contacts has been actuated for a predetermined period.