Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1981-03-16
1983-04-19
Kilgore, Robert M.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 86, 360 99, 360133, G11B 5012, G11B 5016, G11B 2302, G11B 552
Patent
active
043807810
ABSTRACT:
A reproducing apparatus reproduces a disc-shaped recording medium which is accommodated within a case comprising 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, where the lid member has cutouts and ride-over parts. The reproducing apparatus comprises an inserting opening through which the case is inserted, a turntable for rotating the disc-shaped recording medium, a clamping mechanism for clamping at least one of the disc-shaped recording medium and the lid member provided at an innermost part on the opposite side from the inserting opening with respect to the turntable, a detecting mechanism for detecting whether the disc-shaped recording medium is loaded within the reproducing apparatus, a reproducing transducer for reproducing the disc-shaped recording medium placed on the turntable, a reproducing operation mechanism for moving the reproducing transducer from a waiting position to a reproducing position with respect to the disc-shaped recording medium to perform a reproducing operation, and an operating mechanism connected to the detecting mechanism and the reproducing operation mechanism and operated upon starting of the reproducing operation, for operating the reproducing operation mechanism only when operated in a state where the detecting mechanism is detecting whether a disc-shaped recording medium is loaded within the reproducing apparatus.
REFERENCES:
patent: 3959823 (1976-05-01), Heidecker
patent: 4145726 (1979-03-01), Conaty
patent: 4239238 (1980-12-01), Coleman
patent: 4266784 (1981-05-01), Torrington
patent: 4275426 (1981-06-01), Hoffman
patent: 4301486 (1981-11-01), Brown
Bernat Louis
Kilgore Robert M.
Victor Company of Japan Ltd.
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