Downhole magnetic position sensor

Drive unit provided with position detecting device

Drive unit provided with position detecting device

Driving cores for polar coordinates sensors

Drum-shaped measuring standard

Dual output sensor for detecting the proximity of a reciprocatin

Dual rotational and linear position sensor

Dynamic tube runout measuring method and apparatus with square w

E/U core linear variable differential transformer for precise di

Eddy current clearance transducing system

Eddy current distance measuring device with temperature change c

Eddy current distance signal apparatus with temperature change c

Eddy current error-reduced AC magnetic position measurement...

Eddy current inspection device, proximity probe and method...

Eddy current measurement of tube element spacing

Eddy current position sensor including an insulating base having

Eddy current proximity sensing means and method useful for deter

Eddy current proximity sensor for use in a hostile turbine envir

Eddy current proximity system

Eddy current sensor