GESTURE SENSOR USING RADIO-FREQUENCY SIGNALS
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United States of America
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Apr 10, 2025
app pub date -
Oct 3, 2024
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Oct 3, 2024
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Abstract
A system and method for gesture sensor using radio-frequency signals. In some embodiments, a system includes a band configured to fit on the wrist of a user. The band may include a first electromagnetic coupling circuit having a first feed port, the first electromagnetic coupling circuit being configured to: receive a first drive signal at the first feed port, couple the first drive signal to tissues of the wrist, receive a first reflected signal from the tissues of the wrist, and couple the first reflected signal to the first feed port.
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