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:
Jun. 25, 2019
Filed:
Jan. 05, 2016
Applicant:
Siemens Mobility Gmbh, Munich, DE;
Inventors:
Assignee:
Siemens Mobility GmbH, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
B61L 5/18 (2006.01); F21V 9/40 (2018.01); G08G 1/095 (2006.01);
U.S. Cl.
CPC ...
B61L 5/1845 (2013.01); F21V 9/40 (2018.02); G08G 1/095 (2013.01); B61L 2207/02 (2013.01);
Abstract
A light signal, in particular for rail-bound traffic routes, includes a light source, an optical system and a control device for adjusting an emission characteristic. In order to improve the way optical parameters, in particular regarding brightness, phantom light and path geometry can be adjusted, the control device is configured to adjust the transmission properties of at least one smart glass element disposed in the luminous or light flux.