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:
Mar. 01, 2022
Filed:
Aug. 11, 2017
Signify Holding B.v., Eindhoven, NL;
Patrick Alouisius Martina De Bruycker, Neunen, NL;
Haico Storms, Eindhoven, NL;
Nick Welbers, Urmond, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A lighting device () for operating from a main power supply or from an auxiliary power supply (), in co-operation with a switching device transmitting a wireless control signal indicative of a power condition of the main power supply. The lighting device () accommodates in a single housing () a light emitting module (), the auxiliary power supply () and a control circuit () for monitoring the wireless control signal and a power condition of the main power supply at the lighting device (). The control circuit () is to operate the lighting device from the auxiliary power supply if both the monitored power condition and the control signal indicate absence of power, and is to deactivate the powering from the auxiliary power supply () if the monitoring reveals presence of power of the main power supply.