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:
Jul. 25, 2000
Filed:
Jul. 16, 1996
Applicant:
Inventor:
Yoshihito Harada, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
396121 ; 396157 ; 396172 ;
Abstract
A flash photography system arranged to make preliminary emission and to control main emission according to a value of light measured at the time of the preliminary emission is capable of adequately performing main flat emission by making the preliminary emission in the mode of flat emission and controlling a peak value of the main flat emission according to data of light measured when the preliminary flat emission is made.