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Piezo bending transducer drop-on demand print head and method of actuating it

  • US 6,460,979 B1
  • Filed: 03/14/2000
  • Issued: 10/08/2002
  • Est. Priority Date: 03/15/1999
  • Status: Expired due to Fees
First Claim
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1. A method of actuating a piezo bending transducer drop-on-demand print head, the print head having a nozzle plate with a plurality of nozzles arranged in series, wherein each of a series of piezo bending transducers is respectively assigned to each of said plurality of nozzles, comprising:

  • subjecting each of the piezo bending transducers to a sequence, corresponding to the desired print image, of triggering pulses each effecting a drop discharge movement; and

    , assigned to each triggering pulse, each piezo bending transducer neighboring piezo bending transducer triggered by the triggering pulse being subjected to a compensating pulse deflecting it wherein the triggering pulse has an amplitude and each of the neighboring piezo bending transducers is subjected to a compensating pulse of a lower amplitude than said triggering pulse amplitude.

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