Optical odometer reflection grating

Optical particle detector

Optical sensing device

Optical transit time velocimeter

Optical translation measurement

Optical velocimetric detector

Optical velocimetric detector

Orifice wear compensation

Oscillating type accelerometer

Oscillator supporting structure for an oscillating type...

Overspeed/underspeed detector

Paper stock shear and formation control

Parts for two-wheeled vehicles with improved sealing...

Parts unit with improved sealing performance and...

Peak flow measuring device

Pendular non-servoed tuning beam accelerometer

Pendulous oscillating gyroscopic accelerometer

Pendulum-type accellerometer for electrically-actuated...

Periodic engine speed monitoring circuit utilizing sampling...

Peristaltic pump monitoring device and method