Digital information signal reproducing apparatus

Details Digital information signal reproducing apparatus Digital information signal reproducing apparatus

1990-11-27

1992-08-11

McElheny, Jr., Donald

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

341144, 360 15, G11B 2010, G11B 509, G11B 586

Patent

active

051386011

ABSTRACT:
A digital information signal reproducing apparatus is provided, in which a relative speed between a recording medium in which a digital information signal is recorded and a reproducing device for reproducing the digital information signal from the recording medium is selectively changed. Even when the multiple of the over-sampling digital filter is switched in response to the switching of the relative speed, the frequency characteristic of the analog low-pass filter need not be changed. Thus the circuit arrangement of this digital information signal reproducing apparatus can be simplified.

REFERENCES:
patent: 4580128 (1986-04-01), Ogita et al.
patent: 4614934 (1986-09-01), Kobayshi et al.
patent: 4818996 (1989-04-01), Kimura
patent: 4849957 (1989-07-01), Suzuki
patent: 4942565 (1990-07-01), Lagadec
patent: 5012242 (1991-04-01), Yoshio et al.

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