Apparatus for scanning a disc, and suction device for holding a

Details Apparatus for scanning a disc, and suction device for holding a Apparatus for scanning a disc, and suction device for holding a

1991-09-11

1992-09-22

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369271, G11B 2300, G11B 2500

Patent

active

051503530

ABSTRACT:
Device for holding an optically readable disc in a flat position during playing has concentric annular depressions to which vacuum is supplied by a passage to a rotatably journalled connection having an airtight lead-through.

REFERENCES:
patent: 2386166 (1945-10-01), Lissansky
patent: 4234195 (1980-11-01), Shibata
patent: 4367547 (1983-01-01), Thigpen
patent: 4438510 (1984-03-01), Matsumoto

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