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DATA ENCRYPTION DEVICE

  • US 20110022851A1
  • Filed: 03/25/2009
  • Published: 01/27/2011
  • Est. Priority Date: 03/25/2008
  • Status: Active Grant
First Claim
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1. A portable data encryption device, comprising:

  • a storage;

    a wireless communication circuit which receives a wireless activation signal from an external terminal, and, in an operation using electromotive force generated by the received activation signal, receives an encryption key from the external terminal and stores the received encryption key into said storage;

    a primary cell which supplies power;

    a switch which switches a power supply from said primary cell from off to on; and

    an encryption circuit which reads the encryption key from said storage, encrypts data using the read encryption key, and stores the encrypted data into said storage, said encryption circuit operating using the power supplied from said primary cell after the power supply from said primary cell is switched on.

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