PCM Signal recording system

Details PCM Signal recording system PCM Signal recording system

1981-11-17

1983-09-13

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record editing

360 32, G11B 2702, G11B 500

Patent

active

044046022

ABSTRACT:
A PCM (pulse code modulation) signal recording system including a first signal processor for processing a recording signal into a predetermined PCM signal, a second signal processor for processing a reproduced PCM signal into a recording signal, a first clock signal generator generating a master clock signal, a second clock signal generator generating at least one recording clock signal from the master clock signal, the recording clock signal is supplied to the first signal processor, a third clock signal generator generating at least one reproducing clock signal from the master clock signal, the reproducing clock signal is supplied to the second signal processor, a comparator digitally comparing the phases of the second and third clock signals and producing a control signal, and a controller receiving the control signal and controlling the second or third clock signal so that they are synchronized.

REFERENCES:
patent: 4356517 (1982-10-01), Ozaki et al.
patent: 4363049 (1982-12-01), Ohtsuki et al.

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