Optical pickup regulator

Optical pickup regulator

The present invention discloses an optical pickup actuator including a lens holder having an object lens, and a driving means for changing a position of the lens holder by using an electromagnetic force. The driving means includes multipolar magnets and tracking coils for changing the position of th...

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1. Verfasser: CHOE INHO,HONG SAMYOL
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator CHOE INHO,HONG SAMYOL
description The present invention discloses an optical pickup actuator including a lens holder having an object lens, and a driving means for changing a position of the lens holder by using an electromagnetic force. The driving means includes multipolar magnets and tracking coils for changing the position of the lens holder to the tracking direction, each of the tracking coils has a top coil, a bottom coil and side coils, and the whole or part of the side coils has an angle smaller than 90° to a horizontal line.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Optical pickup regulator
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