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. 03, 1997
Filed:
Oct. 18, 1994
Applicant:
Inventors:
Keiichi Takahashi, Tokyo, JP;
Atsushi Ohkawara, Tokyo, JP;
Assignee:
Nohmi Bosai Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340506 ; 340505 ; 340524 ; 340525 ; 34082506 ; 34082508 ;
Abstract
A fire alarm system having terminal units in a supervisory system for supervising a fire phenomenon, a receiving portion and terminal units in a control system to be controlled by the receiving portion that is able to reduce a required space in a case of a small size system. The terminal units in the supervisory system are given individual addresses, the terminal units in the supervisory system and the receiving portion communicate with each other through the addresses, and the terminal units in the control system are connected to the receiving portion through individual signal lines.