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:
Jan. 12, 2016
Filed:
Jul. 29, 2010
Engel Johannes Knibbe, Heeze, NL;
Alexander Ertz, Memphis, TN (US);
Mareike Klee, Straelen, DE;
Leo Verhees, Veldhoven, NL;
Engel Johannes Knibbe, Heeze, NL;
Alexander Ertz, Memphis, TN (US);
Mareike Klee, Straelen, DE;
Leo Verhees, Veldhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
According to the present invention, a light guidance system for adapted illumination in emergency or power cut situations is provided, wherein the light guidance system is connected to an auxiliary power supply system () and comprises at least one light unit () adapted to emit light for illuminating surroundings and a control unit adapted to increase a light level of the light unit () according to a presence signal indicating the presence of a person, wherein the increasing of the light level is adjusted to enable a mandatory lighting period and a mandatory light level by considering a power value of the auxiliary power supply system ().