Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate
2005-02-15
2005-02-15
Tokar, Michael (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
C341S144000, C341S152000
Reexamination Certificate
active
06856269
ABSTRACT:
A D/A conversion method and D/A converter. First, an m-bit data is input, wherein the m-bit data includes upper n bit data and lower m−n bit data. Then, a first n bit data is obtained by transforming the upper n bit data. Finally, the upper n bit data is applied to an n-bit D/A converter for a first duration and the first n-bit data is applied to the n-bit D/A converter for a second duration, according- to the lower m−n bit data.
REFERENCES:
patent: 5764173 (1998-06-01), Flynn
patent: 5774084 (1998-06-01), Brombaugh et al.
Nguyen Khai
Winbond Electronics Corp.
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