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:
Jul. 19, 2016
Filed:
Jul. 30, 2014
Seiko Epson Corporation, Tokyo, JP;
Manabu Yamada, Suwa, JP;
Yuichi Urabe, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A fluid discharge device, a printing device, and a control method for a fluid discharge device enable accurately detecting an empty fluid state and suppressing fluid waste. An inkjet printerhas an ink cartridge in which ink is stored, a subtank that draws ink from the ink cartridge, an inkjet head to which ink is supplied from the subtank, a movable carriage on which the inkjet head and subtank are mounted, an ink pump unit that draws the ink supplied to the inkjet head from the ink cartridge by movement of the carriage, and a control unit that determines if ink is in the ink cartridge based on the load required to move the carriage.