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:
Aug. 10, 2021
Filed:
Apr. 23, 2020
Applicant:
Signify Holding B.v., Eindhoven, NL;
Inventors:
Khurram Moghal, Senoia, GA (US);
Walten Peter Owens, Chittenango, NY (US);
Assignee:
SIGNIFY HOLDING B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/00 (2006.01); F21V 15/00 (2015.01); F21V 23/04 (2006.01); G01J 1/44 (2006.01); G01J 1/42 (2006.01);
U.S. Cl.
CPC ...
F21V 15/00 (2013.01); F21V 23/0442 (2013.01); G01J 1/44 (2013.01); G01J 2001/4252 (2013.01);
Abstract
A lighting device includes an optical assembly and an obstruction sensor configured to receive radiation reflected by the optical assembly. The lighting device also includes a processor that is configured to receive information corresponding to the radiation reflected by the optical assembly from the obstruction sensor, and compare the received information to a plurality of known reflection patterns associated with one or more properties of the optical assembly to determine a property of the optical assembly.