Control circuitry for actuation of a ribbonless endorser for pri

Details Control circuitry for actuation of a ribbonless endorser for pri Control circuitry for actuation of a ribbonless endorser for pri

1979-02-28

1981-03-10

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

042550610

ABSTRACT:
A control circuitry for operation of a matrix wire printer for impacting a continuously inked rotating platen for printing variable information onto transported documents moving between the printer and the platen. The platen carries a velocity control element for rotative cooperation with a bias roller to initially intercept and decelerate the document to a proper print speed prior to print initiation. Document position is transduced into a plurality of logic signals for commanding the individual actuation of successive columnar prints by the pin printer for printing a preselected message as stored in memory.

REFERENCES:
patent: 3703949 (1972-11-01), Howard et al.
patent: 3795298 (1974-03-01), Kodis
patent: 3803628 (1974-04-01), Van Brimer et al.
patent: 3844395 (1974-10-01), Mero et al.
patent: 3922965 (1975-12-01), Platt
patent: 3942620 (1976-03-01), Dillinger et al.
patent: 3990559 (1976-11-01), Martin et al.

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