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:
Jul. 01, 2003
Filed:
Feb. 06, 1997
Applicant:
Inventors:
Hideki Tanaka, Yokohama, JP;
Shinji Takagi, Kawasaki, JP;
Hiroyuki Hyotani, Kawasaki, JP;
Takehiko Kasamatsu, Fujisawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/17 ; B41J 2/01 ;
U.S. Cl.
CPC ...
B41J 2/17 ; B41J 2/01 ;
Abstract
In order to deposit a liquid for improving fixing ability and water resistance of an ink at an optimal position in an appropriate amount, to maximize an effect of the liquid, and to easily generate a driving data for ejecting the liquid, low resolution printing data for respective of four printing heads is read out from a frame memory. A logical sum of the printing data is calculated by an OR circuit. Then, the logical sum is processed by a look-up table to generate the driving data for the liquid ejecting head corresponding to high resolution.