Patent ID: 7733217

Claim:
A method for transmitting data in a radio frequency identification system having a reader and at least one transponder, or for transmitting data between a reader and a remote sensor, the method comprising: transmitting a data sequence from the reader to the transponder or the remote sensor, the data sequence including command data accompanied by associated check data and/or parameter and address data accompanied by correct check data, and return link header data for providing a return link from the transponder or the remote sensor to the reader; determining by the transponder or the remote sensor of an unrecognized command data and/or unsupported parameter and address data accompanied in each case by correct check data; and notifying the reader of the unrecognized command data and/or unsupported parameter and address data while the reader transmits end signals indicating an end of the data sequence or an end of the parameter and address data, or while the return link header data is transmitted.