Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Optical storage medium support
Reexamination Certificate
2008-09-02
2008-09-02
Cao, Allen T (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Optical storage medium support
Reexamination Certificate
active
11367416
ABSTRACT:
An optical disc apparatus includes position restricting component for restricting the position of a unit mechanism portion in a disc plane direction when the unit mechanism portion is in a raised state. The position restricting component includes a first portion that restricts the position of a base of the unit mechanism portion when the base is at a height position for write or read of information to or from an optical disc and a second portion that cancels the position restriction on the base of the unit mechanism portion in the disc plane direction or makes the position restriction easier than in the first portion when the base is at a height position corresponding to a chucked portion of the optical disc onto the turntable. At the height position where the optical disc is chucked the position restricting component makes the turntable displaceable in the disc plane direction so that the axis of the turntable becomes nearly coincident with the center of a center hole formed in the optical disc.
REFERENCES:
patent: 2007/0083876 (2007-04-01), Kirihara et al.
patent: 2002-352498 (2002-12-01), None
patent: 2005-085449 (2005-03-01), None
Kirihara Sojiro
Tanaka Yoshiyuki
Tsubota Shinya
Antonelli, Terry Stout & Kraus, LLP.
Cao Allen T
Hitachi-LG Data Storage, Inc.
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