Phase-lock loop controlled object detector oscillator
Pressure sensor including a resistor commutator for providing un
Process for compensating temperature variations in surface wave
Processing of signals with regenerative opto-electronic...
Proximity detector
Proximity sensor oscillator utilizing controlled charge
Proximity switch
Proximity switch
Proximity switch and method for operating a proximity switch
Proximity switch having oscillator inductively coupled through p
Proximity switch having variable gain oscillator
Proximity switch with built-in test circuit
Proximity switch with improved response time and antimagnetic fi
Proximity switch with oppositely polarized coils
Proximity switches including long tail pair with emitter followe