Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1981-11-19
1985-10-22
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360104, G11B 554, G11B 2122
Patent
active
045492395
ABSTRACT:
A head carriage for use in a contact-type magnetic recording/reproducing system, in particular a floppy disc system, comprises a carriage main body, a magnetic head fixedly mounted on the carriage main body and a resiliently supported arm for carrying thereon either another magnetic head for double-sided operation or a pressure pad for single-sided operation. In one aspect of the present invention, linear coefficients of expansions of various parts of the head carriage are determined so as to maintain a proper alignment between the two magnetic heads which are disposed in opposed relationship. In another aspect of the present invention, there is provided a specifically shaped pressure contact member for supporting a pressure pad to keep a desired contact condition between the magnetic head and a recording medium.
REFERENCES:
patent: 4151573 (1979-04-01), Tandon et al.
patent: 4167766 (1979-09-01), Chau
patent: 4206489 (1980-06-01), Manzke et al.
patent: 4291350 (1981-09-01), King et al.
patent: 4306258 (1981-12-01), Higashiyama et al.
patent: 4306260 (1981-12-01), Maeda et al.
Ricoh & Company, Ltd.
Shoup Guy W.
Wolff John H.
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