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:
Oct. 16, 2012
Filed:
Oct. 30, 2009
Applicant:
Manfred Listopad, Vienna, AT;
Inventor:
Manfred Listopad, Vienna, AT;
Assignee:
Moeller Gebaudeautomation GmbH, Schrems, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 23/00 (2006.01); G08B 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply unit for a fire detector, especially a smoke alarm, includes a power unit and battery terminals for connecting a predeterminable battery. The power unit has first connection means for connection to a power supply network and second connection means for connecting the fire detector. In order to increase the functionality of a fire alarm, the battery terminals are operatively connected by at least one first electric connection with the second connection means. The first electric connection includes hereby at least one diode.