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. 25, 2006
Filed:
Sep. 30, 2003
Applicants:
Tomomi Yoshizawa, Hino, JP;
Yasuhiko Kawashima, Hino, JP;
Inventors:
Tomomi Yoshizawa, Hino, JP;
Yasuhiko Kawashima, Hino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink jet recording apparatus for jetting ink onto a recording medium having: an ink cartridge; an ink jet recording head; and an ink supply tube which connects the ink cartridge and the ink jet recording head, wherein a driving frequency of the ink jet recording head is 15 kHz or above, and an average surface roughness of an inner surface of the ink supply tube is 200 to 2,000 nm.