Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1984-12-28
1986-05-13
Stephan, Steven L.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 36, G11B 1728
Patent
active
045891010
ABSTRACT:
Apparatus for recording and/or playback of recordings on discs including a selective disc changer suited particularly for discs of the "compact disc" type. The playback unit has a housing mounted for helicoidal movement between a disc operating plane and an entrance plane for receiving a disc inserted edgewise and rolling into the housing along the entrance plane. A removable magazine provides a plurality of disc storage compartments arranged side by side and successively movable into alignment with the entrance plane, the magazine being received on a tray mounted on the chassis of the apparatus. The magazine is locked against being removed from the tray responsive to transfer of a disc from a storage compartment of the magazine to ensure that the magazine is locked against removal from the time that one of the discs stored in a compartment of the magazine has left its storage position until it is returned to the magazine compartment.
REFERENCES:
patent: 1868846 (1932-07-01), Oyston
patent: 1869770 (1932-08-01), Oyston
patent: 2398067 (1946-04-01), Winkler
patent: 2946594 (1960-07-01), Staar
patent: 2992006 (1961-07-01), Foufounis
patent: 4513409 (1985-04-01), Staar
Megadoc, A Modular System for Electronic Document Handling, de Vos, Phillips Technical Review, vol. 39, No. 12 1980, pp. 329-342.
Denis Philippe V.
Schatteman Etienne A. M.
Staar S.A.
Stephan Steven L.
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