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:
Mar. 08, 2016
Filed:
Jul. 27, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Eiichi Adachi, Kawasaki, JP;
Shigeru Watanabe, Yokohama, JP;
Naoaki Wada, Yokohama, JP;
Kouhei Tokuda, Tokyo, JP;
Tsutomu Obata, Tokyo, JP;
Hiroyuki Matsunaka, Hachioji, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A first ink tank, and a second ink tank including a first chamber having an ink inlet port and a second chamber having a sensing unit are provided. The ink inlet port is provided at a position so that a volume of the second ink tank above a second height does not become smaller than an amount of ink volume change in the second chamber when the ink volume is changed from a first height which is a height of the ink surface when a minimum volume of ink is in the second ink tank under normal usage to a second height which is a height of the ink inlet port.