System and method for converting analog values into digital form
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United States of America Patent
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May 12, 2009
Grant Date -
Feb 12, 2009
app pub date -
Aug 6, 2007
filing date -
Aug 6, 2007
priority date (Note) -
Expired
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Abstract
A method for converting analog values into digital form comprises comparing a current analog sample value with an analog input value to produce an outcome, generating a count value based on the outcome, the count value increasing upon successive like outcomes and being reset to an initial count value upon successive unlike outcomes, adding or subtracting the count value to/from a current digital sample value to generate a next digital sample value, the adding or subtracting being based on the outcome, and converting the next digital sample value to the current analog sample value.
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