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:
Feb. 12, 2019
Filed:
Feb. 05, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Takatsuna Aoki, Yokohama, JP;
Seiichiro Karita, Saitama, JP;
Shingo Okushima, Kawasaki, JP;
Eisuke Nishitani, Tokyo, JP;
Yumi Komamiya, Kawasaki, JP;
Kazuhiro Yamada, Yokohama, JP;
Zentaro Tamenaga, Sagamihara, JP;
Noriyasu Nagai, Tokyo, JP;
Tatsurou Mori, Yokohama, JP;
Shuzo Iwanaga, Kawasaki, JP;
Akio Saito, Tokyo, JP;
Akira Yamamoto, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes discharge orifices, recording elements that generate energy, supply channels that supply liquid to the recording elements, a common supply channel communicating with the supply channels, recovery channels that recover liquid supplied to the recording elements, a common recovery channel that recovers liquid from the recovery channels, a first inlet port that supplies liquid to the common supply channel, a first recovery port that recovers liquid from the first common supply channel, a second inlet port that supplies liquid to the common recovery channel, and a second recovery port that recovers liquid from the second common recovery channel. The first inlet port and the first recovery port communicate without going through channel portions where recording elements are disposed, and the second inlet port and the second recovery port communicate without going through channel portions where recording elements are disposed.