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:
Nov. 15, 1988
Filed:
Apr. 13, 1987
Applicant:
Inventor:
Jack Y Chen, Sec. 5, Taipei, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
340527 ; 34030915 ;
Abstract
A timer controlled fire and burglar alarm system using an economical circuit design and battery for prolonged and effective functioning and includes a thermo-electric infrared sensor, a filter and an amplifier to detect signal, a plurality of time priority circuits, a time-delay circuit, a timer controlled alarm setting circuit and timers with time display for setting and disarming of an alert condition and/or driving peripheral devices so as to function as a fire alarm, a burglar alarm and a visitor detection system.
Chen, Jack. (1988). Timer controlled fire and burglar alarm system (U.S. Patent No. 4785289). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4785289
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile