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:
Jan. 10, 1989
Filed:
Sep. 14, 1987
Applicant:
Inventor:
Tatsuo Kimura, Tokyo, JP;
Assignee:
Nittan Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; G05B / ;
U.S. Cl.
CPC ...
340693 ; 340584 ; 364184 ;
Abstract
An environmental abnormality detection apparatus has a detection portion for detecting a phenomenon such as a fire or gas leakage, and a signal processor such as a microcomputer or the like for determining whether an environmental abnormality has occurred in accordance with a detection signal from the detection portion and for generating an alarm signal when the abnormality occurs. A power source control circuit is provided to intermittently supply power to the signal processor and to stop power supply in accordance with an end of processing signal from the signal processor.