Near-range proximity sensor having a fast-tracking analog

A proximity sensor having a generator providing a signal of which a small portion is used as a reference signal and the remaining portion is radiated out towards a target. The radiation reflected from the target is equalized and/or normalized relative to the reference signal. The signals are compare...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SINGH, DONALD R, WITT, WILLIAM A
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING OTHER AUXILIARY EQUIPMENT FOR RAILWAYS PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION RAILWAYS TESTING TRANSPORTING
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