Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1978-10-17
1980-08-19
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360106, 360105, 36013034, G11B 5016, G11B 555, G11B 2112
Patent
active
042187141
ABSTRACT:
A double side type flexible magnetic disc drive apparatus comprises a damper which imparts a damping force being proportional to the shifting speed and is held between a head shifting mechanism and a stationary part whereby damage of a flexible magnetic recording medium caused by shifting the heads can be decreased to prolong the life of the recording medium and the time required for reaching stable contacting of the heads with the recording medium can be shortened.
REFERENCES:
patent: 2550916 (1951-05-01), Davis
patent: 3678481 (1972-07-01), Dalziel et al.
patent: 3702997 (1972-10-01), Jamieson
patent: 3800323 (1974-03-01), Jenkins
patent: 3839737 (1974-10-01), Vogel
patent: 3879757 (1975-04-01), Elliott et al.
patent: 3946439 (1976-03-01), Castrodale et al.
patent: 4024581 (1977-05-01), Lesca et al.
patent: 4040106 (1977-08-01), Medley
patent: 4040107 (1977-08-01), Bryer
patent: 4058846 (1977-11-01), Knutson
Kakuda et al., Diskette Wear Improvement on Double-Sided Flexible Disk Drive, 3rd USA-Japan Computer Conf. 1978, pp. 355-359.
Isozaki Shin
Sakurai Kanji
Eddleman Alfred H.
Mitsubishi Denki & Kabushiki Kaisha
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