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:
Feb. 04, 2003
Filed:
Sep. 21, 2001
Applicant:
Inventors:
Joachim Schneider, Nattheim, DE;
Anton Pfefferseder, Sauerlach-Arget, DE;
Bernd Siber, Glonn, DE;
Andreas Hensel, Vaihingen, DE;
Ulrich Oppelt, Zorneding, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/710 ;
U.S. Cl.
CPC ...
G08B 1/710 ;
Abstract
A scattering light smoke alarm has a light transmitter and a light receiver arranged so that a scattering point of the light transmitter and the light receiver are located outside the scattering light smoke alarm in a free space, a cover for protecting the light receiver and the light transmitter, and an element for distinguishing between smoke and other foreign bodies which are located in an area around the scattering point.