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Calculation of Velocity Compensation Factors in Moving Head Printers

IP.com Disclosure Number: IPCOM000048451D
Original Publication Date: 1982-Feb-01
Included in the Prior Art Database: 2005-Feb-08

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Johnson, HW [+details]


A simple technique is shown and described for providing on-the-fly determination of the correct lead distance over which to release ink drops so as to cause accurate placement of the drops on the paper by simultaneously measuring the head transport induced stream velocity, V(h), and quickly performing the calculation for the lead time d based on a measured value of drop flight time, T(f).