Recorders – Record receiver deforming
Patent
1979-09-04
1981-02-03
Hartary, Joseph W.
Recorders
Record receiver deforming
G01D 1518
Patent
active
042491894
ABSTRACT:
An ink jet printer for depositing drops from a plurality of jet drop streams on a print receiving medium includes a print head means for generating a plurality of jet drop streams arranged in a row, with each stream directed at the print receiving medium. A means is provided for selectively charging drops in the jet drop streams. A catcher means extends along the row of jet drop streams for catching deflected drops. The catcher means is electrically conductive and is maintained at a predetermined electrical potential. A deflection electrode means, comprising a strip of electrically resistive material, extends along the row of jet drop sreams on the opposite side of the row from the catcher means. First and second electrical deflection potentials are applied to opposite ends of the strip of electrically resistive material, whereby a deflection field between the deflection electrode means and the catcher means is created, with the strength of the field along the row of jet drop streams being substantially uniform. Uniformity is obtained by selecting the first and second electrical deflection potentials to compensate for variations in the distance between the catcher means and the deflection electrode means along the row of jet drop streams.
REFERENCES:
patent: 3701998 (1972-10-01), Mathis
patent: 4074278 (1978-02-01), Robertson
patent: 4085409 (1978-04-01), Paranjpe
patent: 4122458 (1978-10-01), Paranjpe
patent: 4167741 (1979-09-01), Heard
Hartary Joseph W.
The Mead Corporation
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