Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1991-08-22
1992-11-10
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9905, G11B 17028, G11B 1703
Patent
active
051629585
ABSTRACT:
An apparatus arranged to use a flexible magnetic disc housed in a cassette and having a center core provided with an engaging hole, including a disc rotating spindle having a flange and engageable with the hole at the center core of the disc, a cassette holder movable between a first position for receiving the cassette and a second position for positioning the received cassette at a predetermined position relative to the spindle, a pressing member for pressing the engaging portion of the disc against the flange of the spindle, and a control mechanism for operating the pressing member and thereafter disabling the pressing member during the movement of the cassette holder from its first to its second position.
REFERENCES:
patent: 4024581 (1977-05-01), Lesca et al.
patent: 4498161 (1985-02-01), Eisemann
patent: 4498165 (1985-02-01), Wilkinson
patent: 4774608 (1988-09-01), Horiuchi et al.
Rusch et al, "Flexible . . . Mechanism", I.B.M. Tech. Disc. Bull., vol. 22, No. 1, Jun. 1979, p. 293.
Maeda Masaya
Uehara Tsukasa
Canon Kabushiki Kaisha
Tupper Robert S.
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