Apparatus for mounting and rotating an optical card for recordin

Details Apparatus for mounting and rotating an optical card for recordin Apparatus for mounting and rotating an optical card for recordin

1989-07-14

1990-04-10

McElheny, Jr., Donald

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

235470, 369258, 369271, G11B 17028

Patent

active

049166875

ABSTRACT:
This specification discloses a card-like optical information recording medium comprising a card-like base body, and concentric circular or spiral information tracks provided on the base body and capable of optically recording and/or reproducing information thereon. The specification also discloses an apparatus for recording and/or reproducing information on such card-like optical information recording medium which comprises a turn table rotatable with the card-like medium being placed thereon, a clamp mechanism for positioning and fixing the card-like medium on the turn table, and an optical head for applying a light beam to the card-like medium while moving radially of the rotation, thereby effecting recording and/or reproduction of information concentrically or spirally.

REFERENCES:
patent: 2010867 (1935-08-01), Kubo
patent: 3501586 (1970-03-01), Russell
patent: 3839601 (1974-10-01), Kimura et al.

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