Patent ID: 7201581
Filing Date: 2007-04-10
Classification: G06K,H01L

Abstract:
1. A multifunction card, which is capable of being inserted to an arbitrary one of a first mobile communication system and a second mobile communication system, comprising: a controller chip; a nonvolatile memory chip; a secure controller chip; first terminals; second terminals; and third terminals, wherein the multifunction card has a first function and a second function, wherein the first function is a memory card function which uses a combination of the controller chip and the nonvolatile memory chip, wherein the second function is a security card function which uses the secure controller chip, wherein all of the first terminals, the second terminals and the third terminals can be coupled to the first mobile communication system, when the multifunction card is inserted to the first mobile communication system, and wherein all of the first terminals and the third terminals can be coupled to the second mobile communication system and the second terminals cannot be coupled to the second mobile communication system, when the multifunction card is inserted to the second mobile communication system.