Patent ID: 6198382
Filing Date: 2001-03-06
Classification: G06K

Abstract:
A transponder for transmitting processed data to a base station, the transponder comprising memory means from which data are readable, data processing means which are operable, in a transmit mode of the transponder, in a normal-energy operating mode and in an energy-saving mode, to which data processing means data read out from the memory means are applicable in order to process the data and by which data processing means processed data are deliverable, and transmission means by which the data corresponding to the processed data delivered by the data processing means are transmitted to the base station, the data processing means, when the transponder is in the transmit mode, being controllable from the normal-energy mode to the energy-saving mode, the transponder further comprising transmit memory means which is readable and writeable, the transmit memory means storing the processed data when the data processing means in the normal-energy mode before the processed data are transmitted, control means for controlling the data processing means from the normal-energy mode of operation to the energy-saving mode of operation after the processed data have been stored in the transmit memory means and before the processed data are sent, a transmission circuit configured to read out the stored processed data from the transmit memory means and to deliver the read out stored processed data to the transmission means for transmission to the base station, the data processing means being in the energy-saving mode during the transmission.