Invention Application
- Patent Title: SELECTIVE ACTIVATION OF TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR MODULES FOR RADIO-FREQUENCY (RF) COMMUNICATION USING DIRECTIONAL RF BEAMS
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Application No.: US17335458Application Date: 2021-06-01
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Publication No.: US20220379670A1Publication Date: 2022-12-01
- Inventor: Michael KANDLER , Thomas ENGL , Tuncay ERDOEL , Maximilian WERNER , Maciej WOJNOWSKI
- Applicant: Infineon Technologies AG
- Applicant Address: DE Neubiberg
- Assignee: Infineon Technologies AG
- Current Assignee: Infineon Technologies AG
- Current Assignee Address: DE Neubiberg
- Main IPC: B60C23/04
- IPC: B60C23/04 ; B60C11/24

Abstract:
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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