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. 05, 2007
Filed:
Jan. 27, 2004
Masaki Matsushita, Ikoma-gun, JP;
Hirokazu Nakamura, Nara, JP;
Naozumi Ueno, Ikoma, JP;
Hisashi Yoshimura, Nara, JP;
Takashi Gotoh, Nara, JP;
Hiroshi Ishii, Osaka, JP;
Masaki Matsushita, Ikoma-gun, JP;
Hirokazu Nakamura, Nara, JP;
Naozumi Ueno, Ikoma, JP;
Hisashi Yoshimura, Nara, JP;
Takashi Gotoh, Nara, JP;
Hiroshi Ishii, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An image forming apparatus in which ink depletion detection accuracy will not be deteriorated even if an air bubble is created in an ink supplying path. The image forming apparatus is provided with (a) an ink storage section for storing ink therein, (b) an ink supplying path for supplying, to a print head, the ink stored in the ink storage section, and (c) an electrode for detecting whether the ink is present or absent in the ink supplying path, an amount of the ink supplied into the ink supplying path being 1.0 cc or less per minute.