Disc-shaped recording medium reproducing apparatus

Details Disc-shaped recording medium reproducing apparatus Disc-shaped recording medium reproducing apparatus

1981-07-30

1983-07-26

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360133, 206444, G11B 2304, G11B 1704, G11B 2504

Patent

active

043957447

ABSTRACT:
A reproducing apparatus reproduces a disc-shaped recording medium which is accommodated within a case. The case comprises a jacket which has a space for accommodating the disc-shaped recording medium and an opening for allowing the disc-shaped recording medium to go in and out of the jacket, and a lid member inserted through the opening of the jacket for closing the opening of the jacket. The reproducing apparatus comprises an inserting opening part through which the case is inserted into the reproducing apparatus, a turntable for rotating the disc-shaped recording medium, lid member locking mechanism and disc-shaped recording medium clamping mechanism respectively provided at the innermost part of the reproducing apparatus opposite to the inserting opening with respect to the turntable, jacket opening enlarging mechanism provided in the vicinity of the inserting opening, moving over the turntable between the position in the vicinity of the inserting opening and the innermost part of the reproducing apparatus, accompanied by operation of inserting the case into and pulling the same from the reproducing apparatus, and an elevating mechanism for moving a member for supporting the disc-shaped recording medium upwards and downwards independent of the turntable.

REFERENCES:
patent: 4113262 (1978-09-01), DeStephanis
patent: 4138703 (1979-02-01), Stave et al.
patent: 4164782 (1979-08-01), Stewart
patent: 4239108 (1980-12-01), Coleman et al.
patent: 4239238 (1980-12-01), Coleman

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