Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2007-10-30
2007-10-30
Jeanglaude, Jean Bruner (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C341S155000
Reexamination Certificate
active
10552033
ABSTRACT:
Methods and systems for implementing high-performance data converters remove analog technology bottlenecks and provide higher converter resolution and higher speed using lower-performance converters and processing in the frequency domain. The method comprises transforming a time domain input signal into a frequency domain signal in a digital form, processing the frequency domain signal and the input signal using at least two lower-performance data converters in order to obtain at least two processed signals, and recombining the at least two processed signals to obtain a final output signal from the high-performance converter. The processing may include dividing the frequency domain into at least two frequency domain parts, one related to a low-resolution signal to noise ratio (SNR) and the other related to a high-resolution SNR, and using frequency information resulting from the division to obtain the at least two processed signals.
REFERENCES:
patent: 6157850 (2000-12-01), Diab et al.
patent: 6353629 (2002-03-01), Pal
patent: 6363262 (2002-03-01), McNicol
patent: 2003/0091207 (2003-05-01), Killion et al.
Friedman Mark M.
Jeanglaude Jean Bruner
Speedark Ltd.
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