Method and apparatus for analog/digital conversion

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United States of America Patent

PATENT NO 5317313
SERIAL NO

08074333

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Abstract

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In an A/D converter for electrical signals, the difference, between the instantaneous analog input signal Y(t) and a previous analog signal value Y(t-T), is converted in a fast analog-to-digital converter (3) to a digital sum value. This sum value is added to the preceding digital value, stored in a buffer memory (7, 7'), and the result is fed to a slow but precise D/A converter (2) for generation of the next Y(t-T) value. This has the advantage that good results can be obtained with A/D converters less expensive than those heretofore required to obtain such results.

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Patent Owner(s)

Patent OwnerAddress
BLAUPUNKT WERKE GMBHPLI-HI EILERS/ST R 2231 ROBERT BOSCH STR 200 HILDESHEIM D-31139

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kasser, Jurgen Diekholzen, DE 14 192

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