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.

Date of Patent:
Aug. 11, 2020

Filed:

Oct. 19, 2017
Applicant:

Ams Ag, Premstaetten, AT;

Inventors:

Harald Etschmaier, Graz, AT;

Nobuyoshi Hiramatsu, Toyama, JP;

Olesia Synooka, Graz, AT;

Assignee:

ams AG, Premstaetten, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/107 (2006.01); G01N 21/21 (2006.01); G01N 21/53 (2006.01); G08B 17/113 (2006.01); G01N 21/47 (2006.01);
U.S. Cl.
CPC ...
G08B 17/107 (2013.01); G01N 21/21 (2013.01); G01N 21/532 (2013.01); G08B 17/113 (2013.01); G01N 2021/4792 (2013.01);
Abstract

The integrated smoke detection device comprises a carrier (), a light source () arranged on or above the carrier, a light receiver () arranged on or above the carrier at a distance from the light source, and a polarizing member () arranged on or above the carrier, the light source emitting radiation (a, b) into the polarizing member. The polarizing member is configured to have a boundary surface () that linearly polarizes a reflected portion (d) of the radiation emitted by the light source, and an exit surface () that allows the reflected portion (d) to exit the polarizing member.


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