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:
Jun. 11, 2002
Filed:
Dec. 29, 1998
Applicant:
Inventor:
Takayuki Ninomiya, Ichikawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 ;
U.S. Cl.
CPC ...
B41J 2/165 ;
Abstract
An ink jet printing apparatus includes a plurality of heads for discharging liquids used for plural types of prints each exhibiting a different attribute. Further the apparatus includes a control apparatus for adjusting and controlling a timing of a preliminary discharge for maintaining a discharge not contributing to records by said plurality of heads, per attribute of the liquids to be discharged in such a manner that droplets of the liquids exhibiting the same attribute are discharged to the same position.