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:
Nov. 25, 2003
Filed:
Aug. 06, 2001
Applicant:
Inventors:
Zhaoxiang Chen, Kawasaki, JP;
Nobuyoshi Hagiuda, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 1/503 ;
U.S. Cl.
CPC ...
G03B 1/503 ;
Abstract
An electric flash according to the present invention comprises a flash source for emitting flash light to illuminate a subject, a trigger noise detecting part for detecting trigger noise generated from a master-side flash, and a flash control part for controlling the flashing of the flash source in synchronization with the trigger noise detected by the trigger noise detecting part. By detecting the trigger noise generated at the flashing or the like of the master-side flash which is arranged close thereto, the electric flash carries out a slave flash in synchronization with the flash timing of the master-side flash.