Delta modulation encoding/decoding circuitry
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United States of America Patent
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-
Mar 7, 1989
Grant Date -
N/A
app pub date -
May 30, 1986
filing date -
May 30, 1986
priority date (Note) -
Expired
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Abstract
An adaptive delta modulation circuit having an analog adaptation circuit and an integrator circuit. The adaptation circuit exponentially converts a voltage which is proportional to the average of a time duration of an overload control signal to an adaptation current which is averaged and converted to an adaptation voltage. An integrator circuit includes a sole switch which shorts to ground a circuit point for generating an analog signal formed of line segments; each segment has a slope magnitude controllable by the adaptation voltage.
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