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. 04, 2005
Filed:
Dec. 28, 2000
Takahiro Yamada, Hitachinaka, JP;
Shinya Kobayashi, Hitachinaka, JP;
Hitoshi Kida, Hitachinaka, JP;
Kunio Satou, Hitachinaka, JP;
Toshitaka Ogawa, Hitachinaka, JP;
Yoshikane Matsumoto, Hitachinaka, JP;
Katsunori Kawasumi, Hitachinaka, JP;
Kazuo Shimizu, Hitachinaka, JP;
Takahiro Yamada, Hitachinaka, JP;
Shinya Kobayashi, Hitachinaka, JP;
Hitoshi Kida, Hitachinaka, JP;
Kunio Satou, Hitachinaka, JP;
Toshitaka Ogawa, Hitachinaka, JP;
Yoshikane Matsumoto, Hitachinaka, JP;
Katsunori Kawasumi, Hitachinaka, JP;
Kazuo Shimizu, Hitachinaka, JP;
Hitachi Printing Solutions, Ltd., Kanagawa, JP;
Abstract
A recording headhas a plurality of nozzle orifices aligned in a row extending in a first direction. The recording headis arranged with the nozzle orifices in confrontation with a recording medium P. The recording medium P is moved in a second direction B with respect to the recording head. Also, ink droplets ejected from the nozzle orifices are charged to a charged amount that corresponds to deflection amount of the ink droplets. The charged ink droplets are deflected in a direction perpendicular to a main scanning line. The plurality of ink droplets ejected from the plurality of nozzle orifices impinge on the same pixel position or at a nearby position so that it is possible to impinge multiple droplets at the same pixel position or a nearby position. As a result, it is possible to back up broken nozzles and to reduce recording distortion.