Dynamic magnetic information storage or retrieval – Record editing
Patent
1982-05-04
1985-10-22
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Record editing
360 331, 360 744, G11B 2702, H04N 578
Patent
active
045492310
ABSTRACT:
A signal recording and/or reproducing system is provided in a recording and/or reproducing apparatus having a control head for performing recording and/or reproduction of a control signal with respect to a control track on a tape, and a control circuit supplied and controlled by a reproduced control signal. The signal recording and/or reproducing system comprises a switching circuit for only passing signal parts in a signal reproduced by the control head which are required in the control circuit for control, a circuit for obtaining a signal which has passed through the switching circuit as a reproduced control signal and supplying this reproduced control signal to the control head, a modifying circuit for modifying signal parts recorded on the control track other than the signal parts required in the control circuit for control, and a discriminating circuit for discriminating signal parts within a reproduced signal obtained by reproducing the control track by the control head which are modified by the modifying circuit, to produce a discrimination signal.
REFERENCES:
patent: 3350511 (1967-10-01), Johnson
patent: 3636252 (1972-01-01), Kowal
patent: 3646260 (1972-02-01), Bolger
patent: 3684825 (1972-08-01), Hurst
patent: 4165522 (1979-08-01), Moller
patent: 4283735 (1981-08-01), Jaager
patent: 4358797 (1982-11-01), Nishijima et al.
patent: 4390904 (1983-06-01), Johnston et al.
Bernat Louis
Psitos Aristotelis M.
Victor Company of Japan Ltd.
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