Transponder unit, system and method for contactless data transmission

摘要

A transponder unit for the contactless transmission of modulated data to a reader is provided. The transponder unit includes a clock generator configured to generate a clock signal and to synchronize the clock signal in a synchronization mode, on the basis of a signal received from the reader, and a modulator, the modulator configured to modulate data on the basis of the clock signal from the clock generator. The modulator is configured to generate a modulation pause by masking out at least one modulation component, the modulation component being smaller than a modulation pulse. The modulator is further configured to send the signal for starting the synchronization mode to the clock generator during this modulation pause.

主权项

1. A transponder unit for the contactless transmission of modulated data to a reader, the transponder unit comprising:
a clock generator configured to generate a clock signal and to synchronize the clock signal in a synchronization mode, on the basis of a signal received from the reader; a modulator, the modulator configured to modulate data on the basis of the clock signal from the clock generator; wherein the modulator is configured to send a signal for terminating the synchronization mode to the clock generator; wherein the modulator is configured to generate a modulation pause by masking out at least one modulation component, the modulation component being smaller than a modulation pulse, and wherein the modulator is further configured to send the signal for starting the synchronization mode to the clock generator during this modulation pause.