GENERATION OF PULSES FROM RPM INDUCTION TRANSDUCER SIGNALS Russian patent published in 2014 - IPC H03K5/12 H03K5/153 

FIELD: instrumentation.

SUBSTANCE: proposed method comprises the steps that follow. Volt-second area S₁ of first half-wave is measured. Its maximum magnitude S_1K is memorised to generate threshold magnitude S_thres=Q·S_1K, where Q<1.S_1K is compared with threshold magnitude S_{mar. min} equal to marginal minimum permissible magnitude of volt-second area of analysed signal half-waves. Volt-second area S₂ of second half-wave is measured. In measurement, obtained magnitudes of S₂ are compared with threshold magnitude S_thres. Provided that S_1K>S_{mar. min}, S₂>S_thres comparator changeover permit signal is generated. Comparator changeover and comparator changeover permit signal reset are executed at induction transducer input signal zero-crossing.

EFFECT: higher precision.

2 dwg