CPC B60C 23/0454 (2013.01) [B60C 23/0452 (2013.01); B60C 23/0488 (2013.01)] | 11 Claims |
1. A radio-transmitting sensor for a vehicle wheel, suitable for measuring at least one physical quantity and for transmitting a radio signal representative of this measured physical quantity, the sensor comprising:
a measurement and transmission circuit,
an antenna impedance matching circuit, and
an antenna circuit,
the sensor further comprising a sensitivity switch controlled by the measurement and transmission circuit and suitable for switching the antenna circuit according to two modes:
a dynamic mode in which the antenna circuit is configured as a magnetic antenna, and in which the sensor transmits said radio signal representative of the measured physical quantity, this signal comprising transmitted data frames; and
a static mode in which the antenna circuit is configured as an electric antenna.
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