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:
May. 24, 2022
Filed:
Jul. 07, 2020
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventors:
Taiki Goto, Mishima Shizuoka, JP;
Kazuhiro Hara, Numazu Shizuoka, JP;
Assignee:
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/18 (2006.01); B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17566 (2013.01); B41J 2/175 (2013.01); B41J 2/17596 (2013.01); B41J 2/18 (2013.01); B41J 29/38 (2013.01); B41J 2002/17576 (2013.01);
Abstract
According to one embodiment, a fluid circulation apparatus includes a first tank to store fluid to be supplied to a fluid ejection head, a circulation path including a first flow path portion to provide fluid from the first tank to a supply port of the fluid ejection head, and a second flow path portion to return fluid from a collection port of the fluid ejection head to the first tank, a bypass flow path to connect the supply port to the collection port outside of the fluid ejection head, and a pressure sensor configured to measure pressure of the bypass flow path.