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:
Nov. 06, 2001
Filed:
Jul. 21, 2000
Mike De Roos, Kungsängen, SE;
Christer Boström, Åkersberga, SE;
XaarJet AB, , SE;
Abstract
The invention relates to a droplet deposition apparatus including an ink actuator (,) for ejecting ink droplets; a control unit (,) for controlling droplet formation; and power supply means for supplying a drive voltage to the control unit (,); the drive voltage having a voltage amplitude (V,); the control unit (,) having a plurality of drive signal sources (,) for defining the wave forms of said electric signals; means (,) for detecting at least one performance affecting value; and means (,) for generating an amplitude control signal in response to the performance affecting value; and wherein the power supply means (,) comprises means (,) for adjusting the amplitude of the drive voltage in response to the amplitude control signal; said power supply means being separated from said control unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile