Arrangement for indicating revolutional speed of a revolving bod

Device for detecting electromagnetic stray effects in systems wi

Device for detecting rotational speed of a motor using first and

Digital indication type speedometer

Digital indication type speedometer

Electronic speed sensor

Electronic speed signal ratio measuring apparatus for controllin

Means and method for velocity decoding

Method and device for monitoring rotational speed sensors of veh

Method and system for rotary speed determination

Method for monitoring a tachometer signal

Method of determining the rotational speed of a machine, and dev

Method of measuring the instantaneous shaft velocity of a rotary

Method to compute probable speed of a vehicle equipped with a mi

Methods and apparatuses for detecting the speed of an asynchrono

Mobile perpetually self-correcting estimated time of arrival cal

Motor speed detector

Motor speed indicator

Processing quadrature signals

Processing quadrature signals