Digital, self-calibrating proximity switch

A signal processing system for detecting purposive signals includes an input receiving a signal having a signal characteristic subject to user manipulation. An activation detector compares a property of the signal characteristic to one or more signal characteristic property thresholds over time. A f...

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Bibliographische Detailangaben
Hauptverfasser:	EULENBERG JOHN B, BLOSSER STEPHEN R
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS PULSE TECHNIQUE RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A signal processing system for detecting purposive signals includes an input receiving a signal having a signal characteristic subject to user manipulation. An activation detector compares a property of the signal characteristic to one or more signal characteristic property thresholds over time. A filter module determines whether the signal characteristic is purposively manipulated based on an amount of time preceding or following an occurrence of the property exceeding or falling below one or more signal characteristic property thresholds.