Recording control system for a recording apparatus

Details Recording control system for a recording apparatus Recording control system for a recording apparatus

1990-07-27

1993-01-05

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 346 76PH, 400120, H02P 800

Patent

active

051774224

ABSTRACT:
The present invention relates to control of motor and strobe pulses in a printer which feeds a paper by a stepping motor and prints data by strobe pulses. A uniform record line density is attained by non-linearly changing currents and interval of phase excitation pulses for trigger of the motor and timing of the strobe pulses.

REFERENCES:
patent: 4224869 (1980-09-01), Morin
patent: 4340848 (1982-07-01), Hanagata et al.
patent: 4638332 (1987-01-01), Sakura et al.
patent: 4658302 (1987-04-01), Sakamoto
patent: 4663672 (1987-05-01), Sakamoto
patent: 4707706 (1987-11-01), Nagano
patent: 4899171 (1990-02-01), Ogura et al.

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