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. 28, 2018
Filed:
May. 15, 2013
Philips Lighting Holding B.v., Eindhoven, NL;
Andre Melon Barroso, Aachen, DE;
Thomas Falck, Aachen, DE;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
The invention relates to a lighting system () and a method for controlling lighting conditions in a room (R). The lighting system () comprises a controller () for controlling internal light sources () and at least one actuator () for changing the amount of external light entering the room (R). Moreover, at least one sensor () is provided for detecting a parameter relating to the actual or to a desired lighting level of the room (R). Thus it is possible to control the lighting of the room (R) according to a predetermined schedule, particularly with a circadian rhythm that can reduce delirium in a patient (P). The actuator may for example comprise means () for closing or opening curtains () in front of a window (W).