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:
Nov. 27, 2012
Filed:
Jun. 13, 2008
Tim C. W. Schenk, Eindhoven, NL;
Lorenzo Feri, Eindhoven, NL;
Hongming Yang, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A direction controllable lighting unit () and use thereof in a lighting system () are described. A lighting unit () has means () for directing the light emission () into different directions. A plurality of light sources () are mounted on a common body (). The light sources () are disposed to emit directed light into different directions. The light is modulated to contain identification codes 'A', 'B', which are unique. Within the lighting system (), an optical sensor () is arranged in a region illuminated by the lighting unit (). The optical sensor () demodulates the received light according to the identification code. A control unit () is connected to the optical sensor () and to the lighting unit () to control the direction of the lighting unit () based on information from the optical sensor ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile