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Portable wireless data storage device

  • US 7,742,741 B2
  • Filed: 12/21/2005
  • Issued: 06/22/2010
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A portable data storage device comprising:

  • a non-volatile memory; and

    a wireless data interface coupled to said non-volatile memory to read data from said non-volatile memory for transmission through said wireless data interface and/or write data received from said wireless data interface to said non-volatile memory,wherein said wireless data interface is a high data rate interface configured to transmit and/or receive data at a data rate of at least 100 Mbps;

    wherein the portable data storage device further comprises;

    a control unit configured to control said wireless data interface to operate in a sleep mode, and wherein the control unit is configured to determine, in the sleep mode, whether data is received by the high data rate interface which indicates a request for memory access, wherein said request is indicated by using a pre-defined data pattern at a pre-defined frequency.

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