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:
Jul. 25, 2023
Filed:
Jan. 18, 2022
Applicant:
Federal Signal Corporation, Oak Brook, IL (US);
Inventors:
Duane P. Belitz, Frankfort, IL (US);
Robert A. Czajkowski, Tinley Park, IL (US);
Robert J. Hartke, Beecher, IL (US);
Jeffery M. Loftus, Tinley Park, IL (US);
Tim Skertich, Jr., Crown Point, IN (US);
Aaron Sowers, Tinley Park, IL (US);
Adam Voss, Griffith, IN (US);
Assignee:
Federal Signal Corporation, Oak Brook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/24 (2006.01); B60Q 1/076 (2006.01); F21V 21/15 (2006.01); F21V 14/02 (2006.01); H05B 47/18 (2020.01); F21V 21/30 (2006.01); F21S 41/64 (2018.01); F21V 14/00 (2018.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
B60Q 1/245 (2013.01); B60Q 1/076 (2013.01); F21S 41/645 (2018.01); F21V 14/003 (2013.01); F21V 14/025 (2013.01); F21V 21/15 (2013.01); F21V 21/30 (2013.01); H05B 47/18 (2020.01); F21Y 2115/10 (2016.08);
Abstract
Lighting unit that can be mounted to a vehicle for illuminating work or emergency areas at night. The lighting unit includes a mechanically controllable driver for selecting a position of a central optical axis of the light emitter and an electronically adjustable refractive element for modulating a beam spread configuration generated by the lighting unit.