Data-converting circuit, data-converting method, and...

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion

Reexamination Certificate

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C341S144000

Reexamination Certificate

active

11322422

ABSTRACT:
A data converting method is realized by a data-converting circuit including: a data combining circuit for outputting 1stthrough (2n−1)thintermediate data bits by combining data bits corresponding to “1”s in n-bit binary data corresponding to a decimal number; a thermometer code generating circuit for generating 1stthrough (2n−1)thbits of thermometer code data each activated as “1” when a corresponding intermediate data bit among the 1stthrough (2n−1)thintermediate data bits are activated, wherein each of the 1stthrough (2n−1)thbits of thermometer code data is additionally activated as “1” by the 1stthrough (2n−1)thintermediate data bits activated by binary data having a greater value than binary data activating the corresponding intermediate data bit; and a reset circuit for periodically resetting the 1stthrough (2n−1)thbits of thermometer code data to “0” in response to an external clock signal. A digital-to-analog converter incorporates the data-converting circuit.

REFERENCES:
patent: 5640162 (1997-06-01), Lewyn
patent: 6351428 (2002-02-01), Forbes
patent: 6617986 (2003-09-01), Connor et al.
patent: 6965331 (2005-11-01), Demartini et al.
patent: 02-026130 (1990-01-01), None
patent: 02-147607 (1990-06-01), None
patent: 07-066732 (1995-03-01), None

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