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:
Jun. 04, 2019
Filed:
Sep. 26, 2016
Hitachi Industrial Equipment Systems Co., Ltd., Chiyoda-ku, Tokyo, JP;
Hiromichi Takeyama, Tokyo, JP;
Masahiko Ogino, Tokyo, JP;
Keisuke Nagai, Tokyo, JP;
Takashi Sato, Tokyo, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
The present invention addresses the problem of enabling a charge control-type inkjet printer to enable real-time control during an operation and to maintain optimal printing conditions while operating. This charge control-type inkjet printer is provided with: a printing head including a nozzle unit for discharging ink; a pressure reduction valve for adjusting the pressure of the ink to be supplied to the nozzle unit of the printing head; and an ink container for accommodating the ink to be supplied to the nozzle unit of the printing head, wherein an imaging unit is further provided which images an image of ink that is discharged from the nozzle unit and is in a particulate state.