Contact/non-contact type hybrid IC card, communication method, program and communication system

1. A contact/non-contact type hybrid IC card comprising:

a processor;

a non-contact interface configured to communicate in a non-contact communication mode with a non-contact type reader/writer through an antenna, wherein a prescribed function is restricted for use in the non-contact communication mode unless a limitation of the prescribed function is removed;

a contact interface configured to communicate in a contact communication mode with a contact type reader/writer through a contact terminal, wherein a personal identification information is configured to be inputted to the contact type reader/writer, and then the personal identification information is configured to be transmitted to the hybrid IC card in a contact manner; and

a storage unit storing instructions which when executed by the processor, cause the processor to:

(a) receive the personal identification information from the contact type reader/writer during the contact communication mode;

(b) remove the limitation of the prescribed function in the non-contact communication mode based on the personal identification information received from the contact type reader/writer to the IC card;

(c) switch from the contact communication mode to the non-contact communication mode; and

(d) communicate data of the prescribed function with the non-contact type reader/writer during the non-contact communication mode.

2. The contact/non-contact type hybrid IC card of claim 1 , wherein:

(a) when a signal is not received in a non-contact manner from the non-contact type reader/writer by the non-contact interface, a frequency that is substantially the same as a frequency of a carrier used in the non-contact communication is used as a clock frequency for operation; and

(b) when a signal is received in a non-contact manner from the non-contact type reader/writer by the non-contact interface, a frequency of a carrier of the signal is used as a clock frequency for operation.

3. The contact/non-contact type hybrid IC card of claim 1 , wherein:

(a) the storage unit includes volatile memory which stores the personal identification information; and

(b) the personal identification information is erased in response to an end of the non-contact communication mode.

4. The contact/non-contact type hybrid IC card of claim 1 , wherein the contact type reader/writer is a portable reader/writer attachable to and detachable from the contact/non-contact type hybrid IC card.

5. The contact/non-contact type hybrid IC card of claim 1 , wherein the instructions, when executed by the processor, cause the processor to, after removing the limitation of the prescribed function, during the contact communication mode using the contact interface, using a mode switch command, switch from the contact communication mode to the non-contact communication mode, the mode switch command being input from the contact type reader/writer through the contact interface.

6. The contact/non-contact type hybrid IC card of claim 1 , wherein:

(a) the contact terminal includes:

(i) a reset terminal to receive a reset signal from the contact type reader/writer; and

(ii) a clock terminal to receive a data clock signal from the contact type reader/writer; and

(b) the instructions, when executed by the processor, cause the processor to set the contact/non-contact type hybrid IC card to the contact communication mode upon detection of a change in the reset signal with the data clock signal being detected.

7. The contact/non-contact type hybrid IC card of claim 1 , wherein the personal identification information is PIN information or biometric information input from an input unit placed in the contact type reader/writer.

8. A method of operating a contact/non-contact type hybrid IC card including: (a) a non-contact interface configured to communicate in a non-contact communication mode with a non-contact type reader/writer through an antenna, wherein a prescribed function is restricted for use in the non-contact communication mode unless a limitation of the prescribed function is removed; and (b) a contact interface configured to communicate in a contact communication mode with a contact type reader/writer through a contact terminal, wherein a personal identification information is configured to be inputted to the contact type reader/writer, and then the personal identification information is configured to be transmitted to the hybrid IC card in a contact manner, the method comprising:

(a) receiving the personal identification information from the contact type reader/writer during the contact communication mode;

(b) removing the limitation of the prescribed function in the non-contact communication mode based on the personal identification information received from the contact type reader/writer to the IC card;

(c) switching from the contact communication mode to the non-contact communication mode; and

(d) communicating data of the prescribed function with the non-contact type reader/writer during the non-contact communication mode.

9. A computer-readable medium storing instructions structured to cause a processor of a contact/non-contact type hybrid IC card including: (a) a non-contact interface configured to communicate in a non-contact communication mode with a non-contact type reader/writer through an antenna, wherein a prescribed function is restricted for use in the non-contact communication mode unless a limitation of the prescribed function is removed; and (b) a contact interface configured to communicate in a contact communication mode with a contact type reader/writer through a contact terminal, wherein a personal identification information is configured to be inputted to the contact type reader/writer, and then the personal identification information is configured to be transmitted to the hybrid IC card in a contact manner, to:

(a) receive the personal identification information from the contact type reader/writer during the contact communication mode;

(b) remove the limitation of the prescribed function in the non-contact communication mode based on the personal identification information received from the contact type reader/writer to the IC card;

(c) switch from the contact communication mode to the non-contact communication mode; and

(d) communicate data of the prescribed function with the non-contact type reader/writer during the non-contact communication mode.

10. A communication system comprising:

a contact/non-contact type hybrid IC card;

a non-contact type reader/writer configured to communicate in a non-contact communication mode with the contact/non-contact type hybrid IC card; and

a contact type reader/writer configured to communicate in a contact communication mode with the contact/non-contact type hybrid IC card, wherein:

(a) the contact type reader/writer includes:

(i) an input unit configured to enable personal identification information to be input by a user; and

(ii) a transmission unit configured to transmit the personal identification information in the contact communication mode to the contact/non-contact type hybrid IC card in a contact manner; and

(b) the contact/non-contact type hybrid IC card includes:

(i) a processor;

(ii) a non-contact interface configured to communicate in the non-contact communication mode with the non-contact type reader/writer through an antenna, wherein a prescribed function is restricted for use in the non-contact communication mode unless a limitation of the prescribed function is removed;

(iii) a contact interface configured to communicate in a contact communication mode with the contact type reader/writer through a contact terminal;

(iv) a storage unit storing instructions which when executed by the processor, cause the processor to:

(A) receive the personal identification information from the contact type reader/writer during the contact communication mode;

(B) remove the limitation of the prescribed function in the non-contact communication mode based on the personal identification information received from the contact type reader/writer to the IC card;

(C) switch from the contact communication mode to the non-contact communication mode; and

(D) communicate data of the prescribed function with the non-contact type reader/writer during the non-contact communication mode.

11. The contact/non-contact type hybrid IC card of claim 1 , wherein:

the prescribed function is an electronic money function.

12. The contact/non-contact type hybrid IC card of claim 1 , wherein:

a state of the prescribed function is set during the contact communication mode and held upon switching from the contact communication mode to the non-contact communication mode.