Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1980-12-22
1982-12-07
Wolff, John H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 743, 360 962, 36013021, 242189, 226195, G11B 1518, B65H 2522
Patent
active
043630413
ABSTRACT:
This invention relates to a tape transport for use with a transducer to transport tape along a predetermined path extending past the transducer, comprising two capstans, each disposed at a respective end of the predetermined path; two rollers, each disposed adjacent a respective one of the capstans and arranged to guide tape beyond the respective end of the path in partial wrapping engagement about its respective capstan; two motors each coupled to a respective one of the capstans; and a control circuit coupled to the motors and arranged to control operation thereof to drive the capstans at differing torques whereby to induce a controlled tension in tape extending along the path. One of the motors is driven by an independent source of signals, and the other is driven so as to be dependent, in part, of the operation of the first motor.
REFERENCES:
patent: 3583618 (1971-06-01), Lewis
patent: 3861573 (1975-01-01), Kawasaki et al.
patent: 3903544 (1975-09-01), Nakamichi
patent: 3930268 (1975-12-01), Uemura
patent: 4213160 (1980-07-01), Shum et al.
Enertec
Gaudier Dale
Wolff John H.
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