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. 28, 1993
Filed:
Dec. 13, 1990
Applicant:
Inventors:
Eiji Miyasaka, Hikone, JP;
Masayuki Handa, Hikone, JP;
Morihiro Takeda, Hikone, JP;
Hiroyuki Tsujino, Hikone, JP;
Assignee:
Dainippon Screen Mfg. Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03G / ;
U.S. Cl.
CPC ...
355 51 ; 355 56 ; 355 61 ; 355235 ; 355244 ;
Abstract
A reproduction magnification of an image to be reproduced is inputted through a inputting device. A projection optical system is adjusted according to the reproduction magnification, and then projects image light reflected from an original in the form of a slit onto a photosensitive material sheet. As projecting the slit image light, the original and the photosensitive material sheet are synchronously fed each other.