Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Noboru Tamura0
Takakazu Fukano0
Date of Patent
December 1, 2009
0Patent Application Number
113828590
Date Filed
May 11, 2006
0Patent Primary Examiner
Patent abstract
There is disclosed a head driving device which drives a plurality of pressure generating elements for generating pressure fluctuation in a jetted object contained in each of associated pressure chambers formed in a jetting head of a jetting apparatus to eject the jetted object from each of nozzles communicated with the associated pressure chambers. In the device, a head driver generates a drive signal which is selectively applied to at least one of the pressure generating elements to be driven. A bias potential provider selectively applies a bias potential to at least one of the pressure generating elements not to be driven.
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