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:
May. 11, 2004
Filed:
Jan. 25, 2002
Applicant:
Inventors:
Shigeru Futakami, Tokorozawa, JP;
Chikara Aizawa, Tsukui-gun, JP;
Toshiyuki Inage, Kawagoe, JP;
Kenji Mito, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/732 ; G03B 2/780 ; G03B 1/750 ; B41J 2/45 ; H04N 1/25 ;
U.S. Cl.
CPC ...
G03B 2/732 ; G03B 2/780 ; G03B 1/750 ; B41J 2/45 ; H04N 1/25 ;
Abstract
An optical printer capable of controlling the amount of exposure light, and so forth, accurately is disclosed, and the optical printer comprises a light source irradiating light and an optical shutter producing exposure light for exposing a photosensitive object by controlling transmission of the light from the light source.