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:
May. 27, 2008
Filed:
May. 08, 2006
Applicants:
Sean Xiaolu Wang, Wilmington, DE (US);
Rongsheng Tian, Newark, DE (US);
Qingxiong LI, Newark, DE (US);
Qun LI, Newark, DE (US);
Inventors:
Sean Xiaolu Wang, Wilmington, DE (US);
Rongsheng Tian, Newark, DE (US);
Qingxiong Li, Newark, DE (US);
Qun Li, Newark, DE (US);
Assignee:
BWT Property Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 5/22 (2006.01); G09F 9/33 (2006.01); G02B 5/124 (2006.01); F21S 8/10 (2006.01); F21V 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting diode (LED) signaling apparatus for navigational aids is provided. The signaling apparatus comprises a plurality of high intensity LEDs with their output beams individually controlled by high precision optical beam transformers. The transformed LED beams are mixed in a predetermined manner by controlling the relative position, angular orientation, and other parameters of the LEDs to produce a desired illumination pattern.