Disk unit

Details Disk unit Disk unit

2005-03-31

2009-06-02

Miller, Brian E (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

C720S703000, C720S700000

Reexamination Certificate

active

07543311

ABSTRACT:
A pair of guide shafts230supporting an information processing section240equipped with a pickup242is provided on a mount210rotatably disposed in a casing110with a turn table for rotatably supporting the optical disc10being provided on the rotation end side. An electric moving motor310is integrally attached on the bottom side of the casing110by an attachment330with a lead screw320having a spiral engaging groove321, to which a movement restricting claw241B of the information processing section240is engaged, being coupled coaxially to an output shaft. The configuration moving the information processing section240will not contact to the casing110when the turn table222is rotated to a retracted position retracted from the moving path of the optical disc10at the insertion or ejection of the optical disc10, thus preferably being downsized.

REFERENCES:
patent: 4328575 (1982-05-01), Elliott
patent: 5631894 (1997-05-01), Takahashi
patent: 5995479 (1999-11-01), Takizawa et al.
patent: 6751182 (2004-06-01), Shiomi et al.
patent: 6795970 (2004-09-01), Wada et al.
patent: 6892386 (2005-05-01), Furuya et al.
patent: 6898798 (2005-05-01), Hamaguchi
patent: 2001/0005349 (2001-06-01), Maeda
patent: 2004/0027977 (2004-02-01), Kojima et al.
patent: 2005/0289579 (2005-12-01), Ohsuga
patent: 7-93949 (1995-04-01), None
Office Action issued for corresponding Japanese patent application No. 2004-103616 on Jun. 24, 2008.

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