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:
Jun. 11, 2002
Filed:
Dec. 12, 2000
Applicant:
Inventor:
Yukio Odaka, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 1/505 ;
U.S. Cl.
CPC ...
G03B 1/505 ;
Abstract
A flash device having a charging circuit which is arranged to be capable of changing between a flyback-type boosting action and a forward-type boosting action. The flyback-type boosting action is performed in the initial stage of a charging process and, after that, is changed over to the forward-type boosting action. The arrangement permits a charging action to be efficiently carried out.
Quick Actions:
Odaka, Yukio. (2002). Flash device (U.S. Patent No. 6404989). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6404989
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile