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:
Apr. 30, 2002
Filed:
Apr. 25, 2000
Applicant:
Inventors:
Frederic C Amerson, Los Altos, CA (US);
Paul M Hubel, Palo Alto, CA (US);
Ricardo J Motta, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21Y 9/00 ;
U.S. Cl.
CPC ...
G21Y 9/00 ;
Abstract
An auxiliary illuminating device that has an adjustable color temperature. The color temperature is adjusted by varying the light output at least two independently adjustable light sources. The light source is an array of at least 2 colors. The light source typically uses at least one set of LED's.
Amerson, Frederic. (2002). Auxiliary illuminating device having adjustable color temperature (U.S. Patent No. 6379022). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6379022
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile