Railway wheel sensor

Rate measuring system

Rate of turn signal generator with drift compensation

Real time eddy current responsive hall effect device tachometer

Registering apparatus

Respiration monitor

Ring laser having amplitude and phase controlled...

Roller-band inertial switch

Rotary encoder frequency analysis

Rotary head type magnetic recording and reproducing unit

Rotary head-type video tape magnetic recording and...

Rotary transducer for sensing rotation of different diameter...

Rotatable orientation independent gravity sensor and methods...

Rotation detector

Rotation sensor

Rotation sensor

Rotation sensor using linear accelerometers

Rotation speed sensor for turbine drilling

Rotation speed signal detector

Rotational direction indicating apparatus