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. 23, 1982
Filed:
Oct. 16, 1980
Applicant:
Inventor:
Hideo Yagi, Tokyo, JP;
Assignee:
Kabushiki Kaisha Sunpak, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315151 ; 315152 ; 3152 / ; 315323 ;
Abstract
An electronic flash unit is disclosed which includes one flashlamp arranged to illuminate an object from the front side thereof and another flashlamp which is rotatably mounted and arranged to direct light at an angle such as to illuminate the object after reflection. Circuitry is provided for accurately controlling the relative illumination provided by the lamps and also for obtaining the optimum total exposure.