DEVICE FOR CONTACT-FREE MEASUREMENT OF DISPLACEMENT Russian patent published in 2002 - IPC

FIELD: measurement technology, mechanical engineering. SUBSTANCE: device can find use for contact-free measurement of displacement of rotors of various mechanisms. It includes variable-induction differential pickup comprising two induction coils, four resistors and two diodes. Circuit also incorporates generator of rectangular pulses, inverters, frequency divider, transistor key, comparators, potentiometer, OR ELSE gate, four AND gates, flip-flops, two NOT-AND gates, counter, register, one-shot multivibrators, clearing circuit, output bus and information readiness bus. EFFECT: increased measurement stability, sensitivity adjustment and generation of digital output signal. 1 dwg