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:
May. 10, 1988
Filed:
Oct. 29, 1984
Applicant:
Inventor:
Yoshiaki Okayama, Tokyo, JP;
Assignee:
Nohmi Bosai Kogyo Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ; G01K / ;
U.S. Cl.
CPC ...
364557 ; 340577 ; 340628 ; 374104 ;
Abstract
A fire detector is equipped with a sensor which detects physical quantities such as heat, light or smoke and which, in particular, stores the time when the fire detector responds or generates an alarm and also stores the output level of the sensor at such time and displays these stored data whenever required. It also stores successive output levels of the sensor at each of a series of predetermined time intervals along with the respective time values until the fire detector generates an alarm and displays these stored data whenever required.