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:
May. 02, 2017
Filed:
Nov. 08, 2013
Applicant:
Tyco Fire & Security Gmbh, Neuhausen am Rheinfalll, CH;
Inventor:
Joseph D. Farley, Warwick, MA (US);
Assignee:
TYCO FIRE & SECURITY GMBH, Neuhausen am Rheinfall, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0884 (2013.01); H05B 33/0818 (2013.01); H05B 33/0848 (2013.01); H05B 33/0869 (2013.01);
Abstract
A device and method may include, in a display device, emitting visible light in a humanly imperceptible manner and sensing said light to verify operation of the display device.