Card including rotatory system optical recording medium

Details Card including rotatory system optical recording medium Card including rotatory system optical recording medium

1987-10-20

1990-02-20

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

206309, 206312, 360133, G11B 2504

Patent

active

049032569

ABSTRACT:
A card including a rotatory system optical recording medium, comprises a rotatory system optical recording medium, a case body having a holding space which holds said optical recording medium freely detachably and a protective cover which protects the surface of said optical recording medium held on said case body, said case body being provided with an opening means for the protective cover so that said optical recording medium can be detached from said holding space.
A recording and/or reproducing device for a card including a rotatory system optical recording medium comprises a means for releasing from a case body a rotatory system optical recording medium held on the case body having a protective cover by utilizing the opening formed by removal of the protective cover, a means for rotating said optical recording medium and a means for returning said optical recording medium to the holding space after recording and/or reproduction.

REFERENCES:
patent: 4239108 (1980-12-01), Coleman et al.
patent: 4477894 (1984-10-01), Clurman
patent: 4556966 (1985-12-01), Bricot et al.
patent: 4627037 (1986-12-01), Tamaru et al.
patent: 4646285 (1987-02-01), Ogusu et al.
patent: 4730292 (1988-03-01), Hasegawa et al.
patent: 4731776 (1988-03-01), Ishii et al.

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