Selective activation of tire pressure monitoring system (TPMS) sensor modules for radio-frequency (RF) communication using directional RF beams

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United States of America Patent

PATENT NO 11872853
APP PUB NO 20220379670A1
SERIAL NO

17335458

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Abstract

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A tire pressure monitoring system (TPMS) includes a communication interface device configured to communicate with a target TPMS sensor module. The communication interface device include a radio frequency (RF) transceiver configured to generate at least one wake-up signal; an antenna array configured to transmit each wake-up signal as a directional RF beam; a processing circuit configured to monitor for a response signal in response to the antenna array transmitting the at least one wake-up signal; and a power amplifier configured to set a power of each wake-up signal according to an adjustable power setting such that the power of each subsequent wake-up signal is increased in discrete steps until the response signal is received by the RF transceiver.

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Patent Owner(s)

  • INFINEON TECHNOLOGIES AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Engl, Thomas Munich, DE 5 3
Erdoel, Tuncay Unterhaching, DE 5 1
Kandler, Michael Sauerlach, DE 33 223
Werner, Maximilian Fischach, DE 16 35
Wojnowski, Maciej Munich, DE 44 661

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