Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1983-12-21
1987-02-24
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 99, G11B 1704
Patent
active
046461760
ABSTRACT:
A recording/reproducing device including a cam which permits a cartridge holder to descend and assume a loaded state, a lock for locking the cam so as to hold the cartridge holder in the lock state before loading, and a detector for detecting that a disc cartridge has been inserted up to a predetermined position in the cartridge holder. The locked state of the cam is released upon detection of proper insertion of the cartridge, thereby allowing the cartridge holder to descend until it assumes the loaded state. Unless the disc cartridge is inserted in the predetermined position in the cartridge holder, the cartridge holder cannot assume the loaded state, thus permitting the recording/reproducing device to be used always in a normal condition.
REFERENCES:
patent: 3936011 (1976-02-01), Staar
patent: 4539613 (1985-09-01), Suyama et al.
Saito Yukio
Shimaoka Motohiro
Alps Electric Co. ,Ltd.
Severin David J.
Shoup Guy W.
Wolff John H.
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