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. 12, 2011
Filed:
Nov. 23, 2004
Applicants:
Bernd Siber, Glonn, DE;
Andreas Hensel, Egmating, DE;
Ulrich Oppelt, Zorneding, DE;
Jack Mcnamara, Pittsford, NY (US);
Inventors:
Bernd Siber, Glonn, DE;
Andreas Hensel, Egmating, DE;
Ulrich Oppelt, Zorneding, DE;
Jack McNamara, Pittsford, NY (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fire detector operating by the scattered radiation principle is described, having at least one radiation transmitter and at least one radiation receiver, whose beam paths form a scattering volume. The fire detector includes, in addition to at least one first radiation transmitter and one first radiation receiver, at least one second radiation transmitter and one second radiation receiver, whose beam paths form at least two spatially separated scattering volumes.