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. 09, 2018
Filed:
Oct. 05, 2015
Applicant:
Laser Guidance, Inc., Newcastle, WA (US);
Inventors:
David Mark Shemwell, Newcastle, WA (US);
Alan August Vetter, Duarte, CA (US);
Assignee:
LASER GUIDANCE INC., Newcastle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2015.01); F21V 5/00 (2015.01); F21V 5/04 (2006.01); B64F 1/18 (2006.01); B64F 1/20 (2006.01); F21V 9/10 (2006.01); F21K 9/64 (2016.01); F21W 111/06 (2006.01); F21Y 115/10 (2016.01); F21Y 113/13 (2016.01);
U.S. Cl.
CPC ...
F21V 5/007 (2013.01); B64F 1/18 (2013.01); B64F 1/20 (2013.01); F21K 9/64 (2016.08); F21V 5/043 (2013.01); F21V 9/10 (2013.01); B64D 2203/00 (2013.01); F21W 2111/06 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08);
Abstract
Overcoming limitation in brightness and heating effects for LED based Precision Approach Path Indicators and allowing both colors to be imaged in the far field with the proper abrupt transition between the red and white sectors, making use of linear arrays of LED's and cylindrical optics.