Patent ID: 8700940

Claim:
A smart card operable with a mobile device, comprising: an interface for interfacing with the mobile device; and a processor operable to receive a maximum power supply value from the mobile device and operable to make processes run on the smart card within the power range supplied by the mobile device; wherein said processor is operable to receive a changed maximum power supply value from the mobile device and, in response, is operable to make processes in the smart card run within the new range of power up to the changed maximum power supply value, wherein said processor is operable to dynamically renegotiate the change of the maximum power supply level with the mobile device, wherein the renegotiation is initiated by the processor sending the mobile device a request for a new maximum power supply value, and wherein said processor is operable to initiate the renegotiation in response to a call to terminate an existing process running on the smart card or in response to a call to run a new process on the smart card.