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. 14, 2002
Filed:
Jul. 30, 1996
Applicant:
Inventor:
Noritaka Mochizuki, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 1/128 ;
U.S. Cl.
CPC ...
G01D 1/128 ;
Abstract
This specification discloses a light source device comprising a group of light emitting elements and adjusting means for individually adjusting the luminance of each light emitting element in the group of light emitting elements. The specification also discloses an optical device using such light source device to illuminate an object to be illuminated.
Mochizuki, Noritaka. (2002). Light source device and optical apparatus (U.S. Patent No. 6386720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6386720
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile