Magneto-optical disk apparatus having a ejector arm and magnetic field generating means mounted on a stationary base

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United States of America Patent

PATENT NO 5771217
SERIAL NO

08400389

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A disk apparatus in which the thickness is suppressed. A recording/reproducing medium containing a disk rotatably in a hard case is moved substantially in a horizontal direction through an opening of the base of the disk apparatus for insertion and ejection operations of the recording/reproducing medium and recording/reproducing operation. For this purpose, the following are provided: a recording/reproducing unit for performing recording and reproduction, a container for containing the recording/reproducing medium at a predetermined position in the disk apparatus when the disk is inserted, a rotation motor for giving a predetermined turning effort by performing the chucking to the recording/reproducing medium, a chucking position where the chucking is performed, a vertical movement mechanism for moving the rotation motor to the waiting position where the recording/reproducing medium is inserted or ejected, a control mechanism for retaining the vertical movement mechanism to the chucking position, and a release mechanism for releasing and ejecting the recording/reproducing medium.

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Patent Owner(s)

Patent OwnerAddress
COPAL COMPANY LIMITEDTOKYO 174

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Shigeru Kawasaki, JP 49 412
Asako, Koji Tokyo, JP 5 34
Kageyama, Kazuhiko Kawasaki, JP 8 19
Sato, Yoshihiro Kawasaki, JP 268 1656
Takahashi, Mitsuo Tokyo, JP 115 1706

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