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:
Jan. 27, 2004
Filed:
Apr. 03, 1998
Applicant:
Inventors:
Hideo Hotomi, Nishinomiya, JP;
Masaki Asano, Nishinomiya, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 ; B41J 2/205 ; B41J 2/938 ;
U.S. Cl.
CPC ...
B41J 2/21 ; B41J 2/205 ; B41J 2/938 ;
Abstract
An ink jet printer includes heads for jetting ink of yellow, magenta, cyan and black, and a head for jetting ink lower in tone than the aforementioned ink. The voltage applied to a head can be changed to change the size of a dot to be printed. Tone control can be provided depending on the tone of ink and dot size to improve image quality.