Motor driving circuit

Details Motor driving circuit Motor driving circuit

1983-03-30

1985-01-15

Witkowski, Stanley J.

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

318270, 318271, 318375, 318341, 318345, H02P 320

Patent

active

044940564

ABSTRACT:
A motor driving circuit in which the opposite ends of the motor driving coils of a video tape recorder (VTR) capstan motor are shorted by a group of switching elements when a control input voltage generated from a rotation detection/oscillator is in a predetermined range.

REFERENCES:
patent: 3792329 (1974-02-01), Kuhnlein
patent: 3895277 (1975-07-01), Klumpp
patent: 3916276 (1975-10-01), Ottoson
patent: 4051417 (1977-09-01), Fujinawa et al.
patent: 4275340 (1981-06-01), Schleupen
patent: 4295170 (1981-10-01), Weiszbrod
patent: 4353023 (1982-10-01), Kawada et al.

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