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. 21, 1983
Filed:
Nov. 09, 1981
Applicant:
Inventors:
Isao Kondo, Hachioji, JP;
Hiroaki Nakamura, Hachioji, JP;
Assignee:
Olympus Optical Company Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315151 ; 3152 / ;
Abstract
A photometry power supply for automatic electronic flash comprises an impedance element through which part of the charge stored across a main capacitor of the electronic flash discharges to develop a voltage thereacross which may be used as a power supply for a photometric circuit.