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:
Dec. 24, 1996
Filed:
Jun. 12, 1995
Applicant:
Inventor:
Junya Masaki, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ; H01M / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
320-1 ; 396205 ; 396159 ;
Abstract
A charging control device for a flash device is arranged to detect ambient temperature in controlling a flash device charging voltage and to perform the charging control up to a level corresponding to the temperature detected, so that the flash device can be allowed to flash at a constant guide number irrespective of any changes in temperature.