Magnetic tape recorders

Details Magnetic tape recorders Magnetic tape recorders

1979-05-04

1982-01-12

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

226189, 242 76, 36013021, G11B 1560, G11B 1543, G11B 1526

Patent

active

043108636

ABSTRACT:
In a magnetic-tape recorder, tension rollers positioned before and after the tape heads in the tape path have an outer layer of a polyurethane elastomer to absorb vibration of the tape and reduce flutter. Grooves in the elastomer layer enable the effective resilience of the elastomer to be reduced below the bulk value.

REFERENCES:
patent: 3391399 (1968-07-01), Pendleton
patent: 3438558 (1969-04-01), Hammond
patent: 3884430 (1975-05-01), Martin
patent: 4054929 (1977-10-01), Levy
patent: 4122504 (1978-10-01), Prozzo et al.

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