Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1983-07-13
1988-01-26
Wolff, John H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
360105, 360 84, G11B 540
Patent
active
047220155
ABSTRACT:
Disclosed is a recording and/or reproducing apparatus which includes heads of at least two different kinds, carrying apparatus for receiving a recording medium, discriminating apparatus for discriminating the recording medium being carried by the carrying apparatus, selecting apparatus for selecting one kind of head from the different kinds. This occurs in response to the discriminating apparatus and control apparatus which is provided for at least one kind of head selected from different kinds to control head contact with the recording medium in response to the selecting apparatus.
REFERENCES:
patent: 3076060 (1963-01-01), Horstkorta
patent: 3685171 (1972-08-01), Kosaka
patent: 3900889 (1975-08-01), Broghammer
patent: 4135218 (1979-01-01), Nakamura et al.
patent: 4475137 (1984-10-01), Yasuda et al.
Yasuda et al., "Newly Developed Sendust Video Head for High Coercive Tape", IEEE Transactions on Magnetics, vol. MAG-16, No. 5, Sep. 1980, pp. 870-872.
Bendson, "New Wear-Resistant Permalloy Material for Magnetic Recording-Heat Application", Journal of the Audio Engineering Society, vol. 24, No. 7, Sep. 1976, pp. 562-567.
Bussan Matthew J.
Canon Kabushiki Kaisha
Wolff John H.
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