Coded data generation or conversion – Digital code to digital code converters – To or from 'n' out of 'm' codes
Reexamination Certificate
2005-10-25
2005-10-25
JeanPierre, Peguy (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from 'n' out of 'm' codes
C341S101000, C341S100000
Reexamination Certificate
active
06958717
ABSTRACT:
Input and output sections of an analog-to-digital converter are joined by an interface. In the input section, an analog input signal is converted to a multi-bit digital signal before being converted, by a noise-shaping converter such as a sigma-delta modulator, to a lower bit signal. The lower bit signal is carried across the interface before being converted, by a digital filter to recover the original multi-bit signal. The same principle is applied to the input and output sections of a digital-to-analog converter.
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Analog Devices Inc.
Jean-Pierre Peguy
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