Pulse or digital communications – Pulse code modulation – Differential
Reexamination Certificate
2007-09-04
2007-09-04
Fan, Chieh M. (Department: 2611)
Pulse or digital communications
Pulse code modulation
Differential
C375S243000, C375S244000, C375S245000, C375S246000, C341S077000, C341S126000, C341S143000
Reexamination Certificate
active
10629418
ABSTRACT:
A device for performing predetermined processing on an input signal that may have a signal amplitude of more than one bit. The input signal is obtained by subjecting one-bit serial signals to predetermined signal processing, wherein the signal amplitude of more than one bit is converted to a one-bit serial signal by accumulating the signal amplitudes that exceed one bit, delaying the accumulated signal on the basis of the input signal, and outputting the accumulated signal.
REFERENCES:
patent: 5859603 (1999-01-01), Noguchi et al.
patent: 6326912 (2001-12-01), Fujimori
patent: 6518899 (2003-02-01), Yu
patent: 2002/0186440 (2002-12-01), Adachi et al.
patent: 2004/0081266 (2004-04-01), Adachi et al.
Ichimura Gen
Noguchi Masayoshi
Suzuki Nobukazu
Fan Chieh M.
Lerner David Littenberg Krumholz & Mentlik LLP
Sony Corporation
Tu Julia P.
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