3d actuator for optical disc system

3d actuator for optical disc system

An optical pick-up actuator (1) has a lens holder (2). The lens holder has tracking (5r) and focusing (5f) coils which substantially extend in two parallel planes at a side of the lens holder (2). A magnet system (7) is arranged separately from the lens holder and extends beyond said planes, said ma...

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1. Verfasser: VAN ROOIJ JOHANNES A.,HENDRIKS BART,DOVIC JADRANKO,STINESEN BERNARDUS J.,VAN DER SANDEN JACOBUS C. G.,GOOSSENS HENDRIK J
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator VAN ROOIJ JOHANNES A.,HENDRIKS BART,DOVIC JADRANKO,STINESEN BERNARDUS J.,VAN DER SANDEN JACOBUS C. G.,GOOSSENS HENDRIK J
description An optical pick-up actuator (1) has a lens holder (2). The lens holder has tracking (5r) and focusing (5f) coils which substantially extend in two parallel planes at a side of the lens holder (2). A magnet system (7) is arranged separately from the lens holder and extends beyond said planes, said magnet system cooperating with the tracking and focusing coils, the coil systems being arranged for effecting tilt through cooperation with the magnet system. Preferably, a coil system is provided at each of two opposite sides of the lens holder.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title 3d actuator for optical disc system
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