FOCUS AND TRACKING SERVO ACTUATOR - VICTOR COMPANY OF JAPAN

Title:

FOCUS AND TRACKING SERVO ACTUATOR

Document Type and Number:

Japanese Patent JPH05120709

Kind Code:

A

Abstract:

PURPOSE: To compensate the weight unbalance of a movable part without deteriorating the follow-up ability at the time of focus servo operation.

CONSTITUTION: A counter balancer 40A and the counter balancer 40B are fixed respectively on the bottom end surface of the opening part of the coil holder 24 of the movable part 22 of a focus servo actuator 21 and on the bottom end surface of the intermediate movable body 35 of the movable part 33 of a tracking servo actuator 27.

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Inventors:

MATSUZAKI KUNIHISA

Application Number:

JP30398191A

Publication Date:

May 18, 1993

Filing Date:

October 23, 1991

Export Citation:

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Assignee:

VICTOR COMPANY OF JAPAN

International Classes:

G11B7/095; H02K33/18; (IPC1-7): G11B7/095; H02K33/18

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