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. 21, 2020
Filed:
Jun. 25, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Akira Fujikake, Kawasaki, JP;
Takaya Sato, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus connected to a printhead has two states and switches between them. In the first state, ink is circulated in a channel of supplying ink from a tank that reserves ink to respective print elements via a common supply fluid channel and a plurality of individual supply fluid channels, and collecting the ink from the respective print elements to the tank via a plurality of individual collection fluid channels and a common collection fluid channel. In the second state, the ink is circulated in a channel of supplying the ink from the tank to the respective print elements via the common collection fluid channel and the plurality of individual collection fluid channels, and collecting the ink from the respective print elements to the tank via the plurality of individual supply fluid channels and the common supply fluid channel.