Memory card with wireless communication function and data communication method
First Claim
Patent Images
1. A card, comprising:
- a memory configured to rewritably store data;
a communication unit configured to transmit/receive data via a wireless communication;
an interface connectable to an external device; and
a controller configured to execute direct access control to said memory via said communication unit, said controller being set in a direct access mode by a command supplied via said interface.
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Abstract
A card includes a memory configured to rewritably store data, a communication unit configured to transmit/receive data via a wireless communication, an interface connectable to an external device, and a controller configured to execute direct access control to the memory via the communication unit. The controller is set in a direct access mode by a command supplied via the interface (or by an operation of a switch).
115 Citations
14 Claims
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1. A card, comprising:
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a memory configured to rewritably store data;
a communication unit configured to transmit/receive data via a wireless communication;
an interface connectable to an external device; and
a controller configured to execute direct access control to said memory via said communication unit, said controller being set in a direct access mode by a command supplied via said interface. - View Dependent Claims (2, 3)
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4. A card, comprising:
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a memory configured to rewritably store data;
an encryption processor configured to execute an encryption/decryption process of data to be written in said memory or data read out from said memory;
a communication unit configured to transmit/receive data via a wireless communication;
an interface connectable to an external device; and
a controller configured to execute direct access control to said memory via said communication unit and ON/OFF control of said encryption processor, said controller being set in a direct access mode and a security mode by a command supplied via said interface. - View Dependent Claims (5, 6)
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7. A card, comprising:
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a memory configured to rewritably store data;
a communication unit configured to transmit/receive data via a wireless communication;
an interface connectable to an external device;
a switch configured to set a direct access function; and
a controller configured to execute direct access control to said memory via said communication unit, said controller being set in a direct access mode by an operation of a switch. - View Dependent Claims (8)
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9. A wireless communication method applied to a system having a first electronic device using a first card and a second electronic device using a second card, said method comprising:
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accessing from said first electronic device via said first card to said second card by wireless communication; and
executing direct access control to a memory in said second card by said second card in response to the accessing from said first electronic device, said second card being set in a direct access mode by a command supplied from said second electronic device. - View Dependent Claims (10, 11, 12, 14)
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13. A wireless communication method applied to a system having a first electronic device using a first card and a second electronic device using a second card, said method comprising:
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accessing from said first electronic device via said first card to said second card by wireless communication; and
executing direct access control to a memory in said second card by said second card in response to the accessing from said first electronic device, said second card being set in a direct access mode by an operation of a switch.
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Specification