Motor driving apparatus and printer

Details Motor driving apparatus and printer Motor driving apparatus and printer

1991-02-25

1992-02-11

Ro, Bentsu

Electricity: motive power systems

Open-loop stepping motor control systems

H02P 800

Patent

active

050878670

ABSTRACT:
An apparatus which controls a plurality of motors and/or print heads, such as motors used in printers or the like, includes a microprocessor which outputs selection signals on one of its output pins. The signal is multiplexed through a plurality of frequency response switches to select one of the motors. Thereafter, the selected motor is energized by a common set of drivers which are activated by control signals that are outputted on other output pins of the microprocessor.

REFERENCES:
patent: 3887796 (1975-06-01), Trousdale et al.
patent: 4039127 (1977-08-01), Huffhines et al.
patent: 4055786 (1977-10-01), DiMarzio
patent: 4329633 (1982-05-01), Dunfield
patent: 4341982 (1982-07-01), Lahti et al.
patent: 4638222 (1987-01-01), Sawaki
patent: 4641069 (1987-02-01), Fujioka et al.
patent: 4871953 (1989-10-01), Anstee

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