DETECTION SYSTEM AND METHOD FOR DETECTING MOTION OF A SUBJECT

The invention relates to a detection system for detecting motion of a subject by utilizing at least two devices adapted to send and receive radiofrequency signals. The system (110) comprises a control unit (111) for controlling the at least two devices such that at least one of the at least two devi...

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Bibliographic Details
Main Authors DEIXLER, PETER, PIJLMAN, FETZE
Format Patent
LanguageEnglish
Published 11.01.2024
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
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Summary:The invention relates to a detection system for detecting motion of a subject by utilizing at least two devices adapted to send and receive radiofrequency signals. The system (110) comprises a control unit (111) for controlling the at least two devices such that at least one of the at least two devices is a sending device (120) sending a radiofrequency signal with a sending signal frequency and such that at least one of the at least two devices is a receiving device (130) receiving a radiofrequency signal that is indicative of reflections of the sent radiofrequency signal of the subject, a signal frequency providing unit (112) for providing the sending signal frequency with which the radiofrequency signal has been sent, and a detection unit (113) for detecting motion of the subject by performing a passive Doppler sensing based on the received radiofrequency signal and the provided sending signal frequency.
Bibliography:Application Number: US202218271075