Patent Number: 7,612,473

Title: Driving device and method

Abstract: A driving device has a magnetostrictive actuator that drives a load member based on a driving signal, a sensor that detects an action of the load member, and a compensation unit that performs feedback compensation on the driving signal which the magnetostrictive actuator receives, based on a detection signal that is received from the sensor.

Inventors: Suzuki; Nobukazu (Kanagawa, JP), Ichimura; Gen (Tokyo, JP), Uryu; Masaru (Chiba, JP), Ohashi; Yoshio (Kanagawa, JP)

Assignee: Sony Corporation

International Classification: H01L 41/12 (20060101); H02N 2/06 (20060101)

Expiration Date: 1/03/02017