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:
Sep. 17, 2002
Filed:
Jul. 21, 2000
Mike De Roos, Kungsängen, SE;
Christer Boström, Åkersberga, SE;
XaarJet AB, Jarfalla, SE;
Abstract
The invention relates to a droplet deposition apparatus comprising an actuator ( ) having a plurality of spaced piezoelectric walls defining channels, said walls having opposed sides; said opposed sides being provided with electrodes being adapted to receive electric signals to deform said walls to cause liquid in said channels to be ejected therefrom; said signals having wave forms; and a control unit ( ) for defining the wave forms of said electric signals; wherein the control unit comprises means ( ) for providing an individually adapted signal slope of the wave form to selected electrodes (E) so as to compensate for individual channel deviations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile