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:
Mar. 17, 2020
Filed:
Jul. 29, 2016
Applicant:
Diehl Aviation Gilching Gmbh, Gilching, DE;
Inventors:
Karl Albrecht Hopfe, Dresden, DE;
Jan Boris Philipp, Munich, DE;
Assignee:
Diehl Aviation Gilching GmbH, Gilching, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 17/11 (2006.01); G08B 17/107 (2006.01); H05B 3/00 (2006.01);
U.S. Cl.
CPC ...
G08B 17/11 (2013.01); G08B 17/107 (2013.01); H05B 3/008 (2013.01); H05B 3/009 (2013.01); H05B 2203/032 (2013.01);
Abstract
A smoke alarm has a housing with a heating device for heating walls of the housing to a temperature above the dew point. The heating device has at least one heating light emitting diode (LED). The heating LED has an opening angle for the emission of light, which opening angle leads to an irradiated area of the housing.