Optical disk drive circuit and optical disk drive device using t

Details Optical disk drive circuit and optical disk drive device using t Optical disk drive circuit and optical disk drive device using t

1994-07-20

1996-07-09

Ro, Bentsu

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Parallel connected motors

318293, 318 54, H02P 158

Patent

active

055347584

ABSTRACT:
The present invention resides in that two of three drivers are BTL-operated in pair to drive the motor for driving the tray and one of the two drivers and a remaining one driver are BTL-operated in pair to drive the other motors. Therefore, it is possible to construct a driver circuit for driving various drive motors within an optical disk drive device by adding only one driver to a conventional driver circuit and, thus, it becomes possible to make the drive circuit as a single chip IC.

REFERENCES:
patent: 4638222 (1987-01-01), Sawaki
patent: 4670693 (1987-06-01), Kazami et al.

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