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:
Sep. 07, 2021
Filed:
Mar. 24, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Koji Sasaki, Nagareyama, JP;
Masafumi Morisue, Tokyo, JP;
Seiichiro Yaginuma, Kawasaki, JP;
Shinji Kishikawa, Tokyo, JP;
Masataka Nagai, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a liquid discharge head, a first pump and a second pump are arranged inside a channel, the channel includes a pressure chamber including an energy generating element, and liquid inside the pressure chamber is circulatable between inside and outside of the pressure chamber by the first pump or the second pump. The first pump is arranged on one side relative to a midpoint of the channel in an extending direction of the channel, and the second pump is arranged on another side relative to the midpoint of the channel in the extending direction of the channel.