Motor driving circuit and method for driving two motors

Details Motor driving circuit and method for driving two motors Motor driving circuit and method for driving two motors

1995-10-05

1998-06-09

Martin, David S.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Starting and/or stopping

318112, 396406, 396410, H02P 154

Patent

active

057640068

ABSTRACT:
A film driving circuit that is capable of normal driving and reverse driving to drive-control a first motor and a second motor each rotating in only one direction. The motor driving circuit is structured so the first motor driving and the second motor driving is controlled by four switching elements composing a bridge circuit. The first motor connects to the connecting points of two of the switching elements. The second motor connects to the connecting points of the other two of the four switching elements. A CPU controls the first motor and the second motor by controlling the on-off status of the four switching elements.

REFERENCES:
patent: 4779109 (1988-10-01), Kawamura et al.
patent: 5107290 (1992-04-01), Ohsawa
patent: 5128704 (1992-07-01), Hayashi et al.
patent: 5153487 (1992-10-01), Hennig
patent: 5291233 (1994-03-01), Hashimoto et al.
patent: 5335029 (1994-08-01), Itoh et al.

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