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. 07, 1996
Filed:
Jun. 14, 1994
Yoshihiro Ohno, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink-jet recording apparatus includes an ink-jet head which includes a plurality of nozzle openings, a plurality of independent ejection chambers respectively correspondingly communicatd with the nozzle openings, diaphragms respectively correspondingly formed in the ejection chambers partly on at least one side walls of the ejection chambers, a plurality of driving elements for respectively correspondingly driving the diaphragms, and a common ink cavity for supplying ink to the plurality of ejection chambers, so that upon application of electric pulses to the plurality of driving means, the driving elements respectively correspondingly distort the diaphragms in the direction of increasing the respective pressures in the ejection chambers to eject ink drops from the nozzle openings onto recording paper, wherein the respective driving elements are constituted by electrodes for respectively correspondingly distorting the diaphragms by electrostatic force, the electrodes being formed on a substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile