Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1976-10-04
1978-07-04
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 84, 360109, 360130, G11B 552, G11B 2110, G11B 2124, G11B 1560
Patent
active
040992101
ABSTRACT:
A rotating transducing head drum, upon each revolution, carries of plurality N>3 of peripherally mounted transducer heads in K>2 successive sets each of P>1 successive sweeps across the surface of a record medium; a plurality of at least P rotating transformer halves is coupled to said heads, each head in a set to a different transformer half; and a plurality P of stationary transformer halves is provided to transmit and receive signals from the rotating halves. The number of rotating transformer halves can be as great as N, but still only P stationary halves are required.
REFERENCES:
patent: 3763327 (1973-10-01), Hescher
patent: 3911486 (1975-10-01), Hibbard
patent: 4031558 (1977-06-01), Kusaka
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