Printing control device

Details Printing control device Printing control device

1975-02-20

1977-01-25

Burr, Edgar S.

Textiles: fiber preparation

197 82, 197133R, 318696, 346 76R, B41J 320, B41J 1900, G05B 1940

Patent

active

040046729

ABSTRACT:
A printer for use with a portable calculator, a handy typewriter or the like is provided with a printing control device which comprises a control circuit for controlling the operation of a stepping motor to feed a recording medium. In order to control the motor, the control circuit generates a series of printing control signals and stepping control signals which include an initial stepping control pulse and a final stepping control pulse. Before printing is started, the motor is stepped forwardly with the initial control pulse and is set in an initial condition to make a space preceding a character to be printed on the recording medium. After the printing of one character is performed, the motor is stepped forwardly with the last stepping control pulse to make sufficient space between adjacent characters to be recorded on the recording medium.

REFERENCES:
patent: 2656240 (1953-10-01), Hell
patent: 3267346 (1966-08-01), Liang et al.
patent: 3322252 (1967-05-01), West
patent: 3770091 (1973-11-01), Platt
patent: 3814011 (1974-06-01), Kashio
patent: 3823808 (1974-07-01), Murata et al.
patent: 3834304 (1974-09-01), Potter
patent: 3844395 (1974-10-01), Mero et al.
patent: 3845850 (1974-11-01), Herr et al.

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