SYSTEM AND METHOD FOR DETERMINING A DISTANCE BETWEEN NETWORKED ELECTRONIC DEVICES EACH COMPRISING A LOUDSPEAKER AND A MICROPHONE

SYSTEM AND METHOD FOR DETERMINING A DISTANCE BETWEEN NETWORKED ELECTRONIC DEVICES EACH COMPRISING A LOUDSPEAKER AND A MICROPHONE

A system determines a distance between networked electronic devices. A first sound signal comprising a first measuring wave having a first frequency carried on a first carrier wave having a first carrier frequency higher than the first frequency is emitted by a first device. A second device receives...

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Hauptverfasser: OLDFELDT, Gillis, JOHNSSON, Frida
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
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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creator OLDFELDT, Gillis
JOHNSSON, Frida
description A system determines a distance between networked electronic devices. A first sound signal comprising a first measuring wave having a first frequency carried on a first carrier wave having a first carrier frequency higher than the first frequency is emitted by a first device. A second device receives the first sound signal, and defines a second sound signal comprising a second measuring wave having the first frequency carried on a second carrier wave having a second carrier frequency different from the first carrier frequency. A phase of the second measuring wave is set such that it simulates a reflection of the first measuring wave on the second device. The second sound signal is emitted by the second device and received by the first device. The distance between the first and second devices is calculated based on a phase shift between the emitted first, and received second measuring waves.
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A first sound signal comprising a first measuring wave having a first frequency carried on a first carrier wave having a first carrier frequency higher than the first frequency is emitted by a first device. A second device receives the first sound signal, and defines a second sound signal comprising a second measuring wave having the first frequency carried on a second carrier wave having a second carrier frequency different from the first carrier frequency. A phase of the second measuring wave is set such that it simulates a reflection of the first measuring wave on the second device. The second sound signal is emitted by the second device and received by the first device. The distance between the first and second devices is calculated based on a phase shift between the emitted first, and received second measuring waves.</abstract><oa>free_for_read</oa></addata></record>
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subjects 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
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title SYSTEM AND METHOD FOR DETERMINING A DISTANCE BETWEEN NETWORKED ELECTRONIC DEVICES EACH COMPRISING A LOUDSPEAKER AND A MICROPHONE
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