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:
Sep. 14, 2004
Filed:
Nov. 12, 2002
Applicant:
Inventors:
Simon Richard Greenwood, Henbury Macclesfield, Cheshire, SK10 3LH, GB;
Stephen Soar, Bury, Lancashire, BL8 1EN, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/702 ;
U.S. Cl.
CPC ...
H05B 3/702 ;
Abstract
A means of effecting color change or improved color rendition by altering the ratios of average lamp arc current to RMS lamp arc current in a high intensity discharge lamp typically a metal halide lamp operating at less than nominal lower rating.
Greenwood, Simon. (2004). Lamp color control for dimmed high intensity discharge lamps (U.S. Patent No. 6791285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6791285
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile