Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2007-07-11
2010-11-23
Pardo, Thuy N (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C369S044340, C369S044390, C369S047280
Reexamination Certificate
active
07839735
ABSTRACT:
Herein disclosed a phase difference detection apparatus for detecting a phase difference between a first signal and a second signal, which may include a waveform equalization section configured to input the first and second signals as a target waveform and an input waveform, respectively, to perform a waveform equalization process using a FIR filter so that the input waveform may coincide with the target waveform; and a phase difference detection section configured to perform a predetermined calculation based on predetermined tap coefficients of the FIR filter in the waveform equalization section to calculate an asymmetric component of the tap coefficients of the FIR filter thereby to detect the phase difference between the first and second signals.
REFERENCES:
patent: 5774290 (1998-06-01), Sasaki et al.
patent: 6097560 (2000-08-01), Tanaka et al.
patent: 2002/0067677 (2002-06-01), Miyashita et al.
patent: 2003/0174621 (2003-09-01), Takehara et al.
patent: 2005/0122885 (2005-06-01), Kanaoka
patent: 2005/0128907 (2005-06-01), Katsuki
patent: 2006/0018236 (2006-01-01), Matsumoto et al.
patent: 2006/0077830 (2006-04-01), Kanaoka
patent: 2006-053968 (2006-02-01), None
Lerner David Littenberg Krumholz & Mentlik LLP
Pardo Thuy N
Sony Corporation
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