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. 01, 1994
Filed:
Jan. 29, 1992
Applicant:
Inventors:
Assignee:
New Oji Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400 68 ; 400 63 ;
Abstract
A dot printer receives coded printing information, and expands it into dots in an image memory. When expanding the information into dots, the printing contents of the previous printed document and the new printing document are compared as to their coded information. Only the changed portions therebetween are rewritten in the image memory. As a result, the printing efficiency with respect to multiple documents of the same type in which only small portions thereof change is improved.