Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Patent
1982-07-23
1985-02-19
Stephan, Steven L.
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
360 97, 369258, 369262, G11B 1910, G11B 1704
Patent
active
045009830
ABSTRACT:
A rotary recording medium reproducing apparatus has an inserting opening through which the case of the medium is inserted, a turntable for rotating the medium, a locking mechanism for the lid of the case, and a medium clamping mechanism. A jacket opening enlarging mechanism is provided in the vicinity of the inserting opening for moving over the turntable between the vicinity of the inserting opening and the innermost part of the reproducing apparatus, in response to an operation in which the case is inserted into and then pulled out from the recording apparatus. A medium supporting member provided at a center part of the turntable moves upwards and downwards independently of the turntable, for raising to support an inner peripheral part of the medium above the turntable. A supporting member elevator mechanism elevates the medium supporting member so that the latter is in a raised state when the case or an empty jacket is inserted into the reproducing apparatus. A driving circuit operates the supporting member elevator mechanism in one direction to operate the mechanism so that the medium supporting member is raised and operates in a reverse direction to lower the supporting member. A control circuit and detector operates the driving circuit if the supporting member is still at the raised position after a predetermined time period.
REFERENCES:
patent: 4196906 (1980-04-01), Torrington
patent: 4326284 (1982-04-01), Elliott
patent: 4357698 (1982-11-01), Torrington
patent: 4380781 (1983-04-01), Hirata
patent: 4395744 (1983-07-01), Saito et al.
Abe Ryozo
Sakurai Masaki
Sugiyama Hiroyuki
Yoshihara Kenji
Stephan Steven L.
Victor Company of Japan Ltd.
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