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:
Oct. 15, 2013
Filed:
Nov. 08, 2007
Tony Petrus Van Endert, Taipei, TW;
Tzu-nan Chen, Taipei, TW;
Tony Petrus Van Endert, Taipei, TW;
Tzu-Nan Chen, Taipei, TW;
Lite-On IT Corporation, Taipei, TW;
Abstract
A lighting system comprising a lamp arranged to transform electricity into a light beam having properties such as intensity, color, color temperature, direction and beam cone angle; a light control means arranged to adjust said light beam properties; a plurality of ultrasonic transmitters arranged to transmit ultrasonic signals; a plurality of ultrasonic receivers arranged to receive reflected ultrasonic signals; and a processing means arranged to send an ultrasonic pulse sequentially through each of said transmitters and to determine after each pulse is sent which ones of said receivers receive a reflected ultrasonic signal with an amplitude exceeding a predetermined threshold within a predetermined period, and to send control signals to said light control means in dependence of said determination.