Method and apparatus for the evaluation of an angle over an extended range
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United States of America Patent
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Jul 25, 1989
Grant Date -
N/A
app pub date -
Jun 25, 1986
filing date -
Jul 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and device for evaluating an angle A known by at least two trigonometric functions and capable of varying over a range greater than 360.degree.. Two counter integers N.sub.0, N.sub.1 are stored and up-dated, each with respect to the other, as a function of even and odd indicator signals FC.sub.2, FS.sub.2. The value of the angle A, expressed in quarter turns, is given by the first or the second counter number as a function of the value of the even indicator signal FC.sub.2.
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