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:
Apr. 05, 2005
Filed:
Jul. 24, 2001
Monitoring and controlling ink pressurization in a modular ink delivery system for an inkjet printer
Richard H Lewis, Barcelona, ES;
Eric L Gasvoda, Salem, OR (US);
Xavier Gasso Puchal, Barcelona, ES;
Antonio Monclus, Barcelona, ES;
John A. Barinaga, Portland, OR (US);
Richard H Lewis, Barcelona, ES;
Eric L Gasvoda, Salem, OR (US);
Xavier Gasso Puchal, Barcelona, ES;
Antonio Monclus, Barcelona, ES;
John A. Barinaga, Portland, OR (US);
Hewlett-Packard Development, L.P., Houston, TX (US);
Abstract
An air pressurization system is incorporated as part of a replaceable auxiliary ink supply for an inkjet printer. The auxiliary ink-supply cartridge includes a pressurized container having air, ink and electrical-signal connections. The air pressure applied to the auxiliary ink supply is monitored to maintain it in a predetermined range in accordance with a start-up sequence, and operational sequence, a waiting time, and a close-down sequence.