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:
Apr. 02, 2019
Filed:
Jan. 17, 2018
Applicant:
Honeywell International Inc., Morristown, NJ (US);
Inventors:
Zia Karim, Saint Charles, IL (US);
Fred Merkle, Chicago, IL (US);
Assignee:
Honeywell International Inc., Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/02 (2006.01); G08B 5/38 (2006.01); G01J 1/42 (2006.01);
U.S. Cl.
CPC ...
G08B 21/0236 (2013.01); G01J 1/4204 (2013.01); G08B 5/38 (2013.01);
Abstract
Systems and methods for reducing a risk of vertigo flicker caused by a notification appliance are provided. Some systems can include the notification appliance measuring an ambient light level, the notification appliance determining whether the ambient light level is lower than a threshold, the notification appliance activating a constant light source responsive to determining that the ambient light level is lower than the threshold, and the notification appliance activating a flashing light source after activating the constant light source.