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:
Jul. 15, 2008
Filed:
Sep. 03, 2004
Applicants:
Mark P. Barrieau, Baldwinville, MA (US);
Johnpaul P. Barrieau, Gardner, MA (US);
Jeffrey R. Brooks, Ashburnham, MA (US);
Inventors:
Mark P. Barrieau, Baldwinville, MA (US);
Johnpaul P. Barrieau, Gardner, MA (US);
Jeffrey R. Brooks, Ashburnham, MA (US);
Assignee:
SimplexGrinnell LP, Westminster, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09F 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An emergency lighting unit includes a lamp, a backup battery, and controller and a network interface. The controller connects the backup battery to the lamp upon detection of an emergency condition and loss of main power. The network interface interfaces with and receives commands via a fire alarm network. Each emergency lighting unit has a unique identifier with respect to the fire alarm network.