Information reproducing method and apparatus for reproducing dig

Details Information reproducing method and apparatus for reproducing dig Information reproducing method and apparatus for reproducing dig

1994-09-12

1996-10-08

Young, W. R.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, 369124, G11B 700

Patent

active

055638635

ABSTRACT:
An information reproducing apparatus for reproducing digital information recorded in a recording medium. The apparatus includes a first binarizing unit for binarizing a reproduction signal read out of the recording medium, a differentiating unit for differentiating the reproduction signal read out of the recording medium, a second binarizing unit for binarizing a signal obtained by differentiating the reproduction signal in the differentiating unit, and a determining unit for determining the digital information in units of multiple bits, based on output signals from the first and second binarizing units.

REFERENCES:
patent: 4626933 (1986-12-01), Bucska et al.
patent: 4908722 (1990-03-01), Sonobe
patent: 5029023 (1991-07-01), Bearden et al.
patent: 5430582 (1995-07-01), Hayashi
patent: 5436771 (1995-07-01), Yun
Patent Abstracts of Japan, vol. 17, No. 456, E1418, Aug. 20, 1993, & JP5-102851.

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