Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1982-06-14
1986-02-25
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360133, 360137, 369 772, G11B 582, G11B 1910
Patent
active
045730920
ABSTRACT:
A rotary recording medium reproducing apparatus comprises a holding mechanism for clamping and holding a lid plate and a rotary recording medium when a case having a jacket accommodating therein the rotary recording medium and the lid plate for closing the jacket is inserted into the reproducing apparatus through an inserting opening, where the lid plate and the rotary recording medium thus clamped and held are recovered within an empty jacket inserted through the inserting opening, a control mechanism for putting the reproducing apparatus in a state possible or not to insert the case or the jacket into the reproducing apparatus through the inserting opening, a detection circuit for detecting whether the rotary recording medium exists within the reproducing apparatus, a single load/eject switch, and a control circuit for controlling the control mechanism by use of a detection output of the detection circuit and an output of the load/eject switch, so that a state possible for inserting the case into the reproducing apparatus is obtained when the rotary recording medium does not exist within the reproducing apparatus, and a state possible for inserting the empty jacket into the reproducing apparatus is obtained when the rotary recording medium does exist within the reproducing apparatus in order to enable recovery of the rotary recording medium.
REFERENCES:
patent: 3662360 (1972-05-01), Lambert
patent: 3949425 (1976-04-01), Perret et al.
patent: 4380780 (1983-05-01), Hirata et al.
patent: 4380781 (1983-05-01), Hirata
patent: 4413299 (1983-11-01), Sugiyama et al.
patent: 4443872 (1984-04-01), Kirschner
patent: 4454599 (1984-06-01), Tsuchiya
Abe Ryozo
Saito Takashi
Sakurai Masaki
Sugiyama Hiroyuki
Yoshihara Kenji
Bernat Louis
Hecker Stuart N.
Severin David J.
Victor Company of Japan Ltd.
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