Devices, systems, and methods for detecting multiple devices within a predetermined proximity
In an embodiment, the present invention is a method for ranging which includes emitting an acoustic signal at a first frequency, monitoring for a first acoustic response signal at a second frequency, and responsive to receiving the first acoustic response signal within a predetermined amount of time...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
21.11.2023
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Subjects | |
Online Access | Get full text |
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Summary: | In an embodiment, the present invention is a method for ranging which includes emitting an acoustic signal at a first frequency, monitoring for a first acoustic response signal at a second frequency, and responsive to receiving the first acoustic response signal within a predetermined amount of time, (1) calculating a first distance between a first device and a second device based on a duration between emitting the first acoustic signal and receiving the first acoustic response signal, and (2) broadcast a first message including the distance and an identifier. |
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Bibliography: | Application Number: US202017104100 |