Patent ID: 7240216
Filing Date: 2007-07-03
Classification: G06Q,G07F,H04W

Abstract:
1. An IC card, comprising: a controller that can accept, in response to receipt of correct first information, an instruction to perform a function, wherein said controller can set, in response to receipt of incorrect first information, the IC card in a block state where said controller does not accept the instruction; while in the block state, said controller can release, in response to receipt of correct second information, the IC card from the block state; said controller can further set, in response to receipt of incorrect second information, the IC card in a restricted state where said controller can not release the IC card from the block state; and while in the restricted state, said controller can set, in response to receipt of a predetermined command, the IC card in an unblock state where said controller can accept the instruction; and the IC card is initially set in the restricted state for security at a manufacturing plant of the IC card.