Sensor assembly for use in vehicle e.g. station wagon, has energy harvester for capturing energy from environment, where sensor assembly transmits energy captured by energy harvester to transmitter

摘要

The assembly (78) has a sensor that detects a predetermined condition. A transmitter is operatively connected to the sensor, and selectively transmits a wireless signal when the sensor detects the predetermined condition. An energy harvester captures energy from an environment. The sensor assembly transmits the energy captured by the energy harvester to the transmitter. The sensor generates an electrical charge or current, when the sensor is deformed or displaced. The sensor is made of a piezopolymer or a piezoceramic.