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. 08, 2001
Filed:
Dec. 30, 1998
Applicant:
Inventors:
Motohiro Tokairin, Kawasaki, JP;
Tamotsu Nishiura, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/752 ; G03B 1/5043 ; G03G 1/5043 ; B41J 2/385 ; B41J 2/435 ; B41J 2/45 ;
U.S. Cl.
CPC ...
G03B 2/752 ; G03B 1/5043 ; G03G 1/5043 ; B41J 2/385 ; B41J 2/435 ; B41J 2/45 ;
Abstract
The present invention provides an exposure device capable of operating at a high speed and obtaining an excellent printing result. The exposure device according to the present invention includes optical write heads using shift registers of two systems, and a circuit that supplies image data for one line divided into the first half and the second half to the respective shift registers. The circuit is consist of a write control section, a memory, a read control section and a transfer control section), and receives data of twice the number of bits of data inputted to the shift register.