Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1996-12-23
1998-09-22
Hindi, Nabil
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
369124, G11B 700
Patent
active
058125086
ABSTRACT:
A data reproducing apparatus for reproducing data from mediums such as digital compact discs, includes a discrete time oscillator for detecting a phase transmission of a reproduced digital signal, and an interpolation unit for interpolating the reproduced digital signal in accordance with a value detected in the discrete time oscillator. The apparatus may also include an adaptive equalizer for removing components which distort, or otherwise impair, data reproduction from a value output from the interpolation unit, an adder for adding a value output from the adaptive equalizer to a critical value decision level, and a phase detector for detecting the reproduced digital signal in accordance with a value output from the adder. The apparatus facilitates asymmetric compensation by interpolating a sampled RF signal in a discrete time oscillator, and by employing an adaptive equalizer.
REFERENCES:
patent: 5067138 (1991-11-01), Van Rens et al.
patent: 5295128 (1994-03-01), Hutchins et al.
patent: 5486865 (1996-01-01), James
patent: 5585975 (1996-12-01), Bliss
Hindi Nabil
LG Electronics Inc.
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