SAFETY BELT BUCKLE, AEROPLANE SAFETY BELT, SYSTEM FOR DETECTING A CLOSED STATE OF A SAFETY BELT, AND METHOD FOR DETECTING A CLOSED STATE

摘要

The invention relates to a safety belt buckle (10) for an aeroplane safety belt, the safety belt buckle (10) comprising a sensor arrangement (30), the sensor arrangement comprising a sensor (32) for detecting a closed state of the aeroplane safety belt, a transmitter (34) for transmitting the detected closed state, and a power supply for operating the sensor (32) and the transmitter (34). The invention also relates to a vehicle safety belt, to a system for detecting a closed state of a safety belt, and to a method for detecting a closed state.