Information signal reproducing apparatus

Details Information signal reproducing apparatus Information signal reproducing apparatus

1982-06-22

1984-08-14

Canney, Vincent P.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

360 32, G11B 1700, G11B 500

Patent

active

044660898

ABSTRACT:
An information signal reproducing apparatus for reproducing from a disc having recorded thereon a pulse code modulated (PCM) signal which is modulated in a run length limited code is disclosed, in which a reproduced signal is compared with a threshold voltage by a comparing circuit so as to be converted in waveform, a maximum or minimum transition interval of the signal with the waveform converted is detected, and a counter is used to control the threshold voltage in such a manner that a positive polarity part and a negative polarity part of the maximum or minimum transition interval will be equal to each other.

REFERENCES:
patent: 4338683 (1982-07-01), Furukawa et al.

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