Patent Assignment
Reel/Frame 058590/0351
Assignment of Assignor's Interest
Recorded: 2022-01-10
Pages: 4
Assignee
SIEMENS SCHWEIZ AG
FREILAGERSTRASSE 40, ZUERICH, 8047, SWITZERLAND
Covered Property
(1)
Scattered Light Smoke Detector Having a Two-Color LED, a Photosensor, and a Wavelength-Selective Polarizer Connected Upstream of the Photosensor or Connected Downstream of the Two-Color LED, and Suitable Use of Such a Polarizer