Driving circuit for oscillatory actuator

Details Driving circuit for oscillatory actuator Driving circuit for oscillatory actuator

1999-04-23

2000-10-17

Ponomarenko, Nick

Electricity: motive power systems

Impact, mechanical shock, or vibration-producing motors

318130, 318129, H02K 3302

Patent

active

061337013

ABSTRACT:
An actuator driving circuit is provided for a positive feedback amplification, through an amplifier, of a counter electromotive force generated in a stator coil of a linear actuator, for continuating a reciprocating movement of a moving element by self-oscillation of the linear actuator, and for an application of a periodic voltage to the stator coil, while the voltage is made sinusoidal if required, so as to render the driving circuit to be high in the driving efficiency and small in dimensions.

REFERENCES:
patent: 4464613 (1984-08-01), Brown
patent: 5004965 (1991-04-01), Otokawa et al.
patent: 5176311 (1993-01-01), Levine et al.
patent: 5589749 (1996-12-01), Davidson et al.

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