Pointing Device for Detecting Motion Relative to a Surface and Method for Detecting Motion of a Pointing Device Relative to a Surface

A pointing device for detecting motion relative to a surface includes a transmitter configured to emit an electromagnetic signal toward the surface. The pointing device further includes a receiver configured to receive a reflection of the electromagnetic signal from the surface. The pointing device...

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Bibliographische Detailangaben
Hauptverfasser:	Hamouda, Mohamed, Nasr, Ismail
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS 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 RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A pointing device for detecting motion relative to a surface includes a transmitter configured to emit an electromagnetic signal toward the surface. The pointing device further includes a receiver configured to receive a reflection of the electromagnetic signal from the surface. The pointing device further includes a processor configured to determine the motion based on a Doppler-shift between the electromagnetic signal and its reflection.