Apparatus producing trapezoidal waveforms from a pair of magnetic sensors for detecting the rotating angle of an object
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United States of America Patent
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Oct 12, 1993
Grant Date -
N/A
app pub date -
Aug 19, 1991
filing date -
Aug 31, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A magnetic field generating member is attached to a rotable object the angle of which is to be detected. The apparatus includes first and second magnetic sensors located in the magnetic field generated by the magnetic field generating member, first and second detectors for generating first and second sine wave singles responsive to outputs of the first and second magnetic sensors, first and second limiters for limiting the first and second sine wave signals; and, a synthesizing circuit for synthesizing outputs of the first and second limiter to thereby obtain a synthesized output.
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