Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1988-03-09
1990-03-06
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
36013034, G11B 548, G11B 2120
Patent
active
049071122
ABSTRACT:
A magnetic recording/reproducing apparatus for recording information on a disc-like recording medium and/or for reproducing the recorded information therefrom. The magnetic recording/reproducing apparatus has a pair of magnetic head devices each composed of a magnetic head chip and a sliding pad for slidably holding the disc-like recording medium therebetween under a predetermined contact pressure. The magnetic head chip is surrounded at a predetermined interval by the sliding pad and the top portion of the magnetic head chip is disposed so as to protrude by a predetermined amount from a sliding surface of the sliding pad which comes into contact with the said disc-like recording medium. The pair of recording head devices are aligned with each other with the disc-like recording medium being held therebetween so that the magnetic head chips are arrranged at different positions at the same interval with respect to the sliding pads in a radial direction of the disc-like recording medium. When the interval from each of the magnetic head chips to each of the sliding pads is a and the interval between said magnetic head chips is b, the positions of the magnetic head chips with respect to the sliding pads are determined so as to satisfy the following relation,
REFERENCES:
patent: 4074331 (1978-02-01), O'Reilly et al.
patent: 4796129 (1989-01-01), Umebayashi et al.
"Compliant Head Mounting", by Grometer et al; IBM Technical Bulletin, vol. 5, No. 1, Jun. 1962.
Ichiyanagi Takashi
Watanabe Wataru
Hecker Stuart N.
Matsushita Electric - Industrial Co., Ltd.
Severin David J.
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