Abstract: A method and a system for registering tickets includes defining a waking zone with a transceiver unit having a transmitting unit, defining a registration zone with a registration transceiver unit, providing tickets having a processor, a memory, a ticket receiver, and a ticket transceiver for communicating between the waking zone and the tickets, transmitting a first information unit from the transmitting unit to the ticket receiver of a ticket located in the waking zone, activating the ticket transceiver of the ticket located in the waking zone with an item of information contained in the first information unit, at a beginning of ticket registration, setting up a bi-directional communication between the registration transceiver unit and a ticket transceiver of a ticket located in the registration zone through additional information units, and registering ticket presence to establish a service to be used or a defined presence.

Abstract: The behavior of the bogie of a muliple-axle vehicle is monitored. Accelerations of at least two axles of the bogie are measured with acceleration sensors allocated to the axles. The sensor signals are subjected to a Fourier transformation in FFT units. The frequency profiles resulting from the Fourier transform are compared with profiles that are stored in memory. Differences that are detected are compared with threshold values and messages are correspondingly sent to the system that controls the vehicle. The monitoring system allows mechanical operating errors of the bogie to be detected independently of effects caused by the running surface upon which the vehicle travels.

Abstract: A process is disclosed for communication systems used in traffic engineering and having an earthbound transponder for each corresponding track section. The transponders transmit first data through a first path of transmission to polling machines arranged on vehicles. Based on these first data, the concerned polling machine ascertains whether second data transmitted through a second path of transmission to the polling machine are really destined for the vehicles. The signal in the second path of transmission destined for the vehicles of a section of the track is individually modulated or transmitted by a time- or frequency-multiplexing process. Depending on the selected modulation or multiplexing, coefficients are built at the emitter side which are then transmitted through the first path of transmission, extracted at the receiver side and used to demodulate or demultiplex the signal transmitted through the second path of transmission.