Apparatus for driving a motor

Details Apparatus for driving a motor Apparatus for driving a motor

1980-01-17

1981-03-03

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318685, 318341, H02P 516

Patent

active

042543681

ABSTRACT:
In an apparatus for driving a motor wherein a carrier or stage carrying a sample thereon is located and moved to a predetermined position by controlling the slow-up and slow-down speed of the motor at the start and prior to the stopping thereof, respectively, this invention provides for speed control of the motor in accordance with a function of arbitrary characteristic slope, the function being stored in the form of a succession of digital values which may be sequentially accessed by a counter control circuit responsive to a control command signal representing the on-off condition for the motor.

REFERENCES:
patent: 3950682 (1976-04-01), Dohanich
patent: 4054820 (1977-10-01), Foster
patent: 4066941 (1978-01-01), Foster
patent: 4143310 (1979-03-01), Fujinawa et al.

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