Recording and reproducing apparatus of thin optical disc

Details Recording and reproducing apparatus of thin optical disc Recording and reproducing apparatus of thin optical disc

2005-11-09

2008-10-07

Cao, Allen T (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

Reexamination Certificate

active

07434241

ABSTRACT:
In an apparatus for recording and reproducing a thin optical disc by using the same optical system as that of a CD, a DVD or the like, the invention provides a technique which can stably rotate the thin optical disc at a high speed. The structure can be made such that a turbulence of an airflow is not generated even if the thin optical disc on a turn table is rotated at a high speed, by employing a transparent turn table and arranging a recording and reproducing head or the like in an opposite side to a thin optical disc mounting surface of the turn table.

REFERENCES:
patent: 4841516 (1989-06-01), Ohmori et al.
patent: 6871352 (2005-03-01), Kurosaka et al.
patent: 51-69930 (1976-06-01), None
patent: 07-003690 (1995-01-01), None
patent: 10-308059 (1998-11-01), None

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