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USB portable storage capable of being upgraded and capacity-expanded freely by replacement of storage medium

  • US 7,454,531 B2
  • Filed: 06/27/2002
  • Issued: 11/18/2008
  • Est. Priority Date: 01/23/2002
  • Status: Expired due to Fees
First Claim
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1. An USB removable memory with replaceable storage medium for optional upgrade and extension of the storage capacity, including an USB connector, a controller and a replaceable flash memory, characterized in that:

  • said USB connector and said controller are integrated as a memory body, and said memory body does not include any built-in flash memory;

    the replaceable flash memory as a physically-independent storage component is replaceably and directly attached to the memory body;

    wherein said replaceable flash memory is placed within a chamber of the memory body and the chamber is covered by a dismountable back cover, and said replaceable flash memory is electrically connected to the controller for the controller to read from or to write to the flash memory, said replaceable flash memory is mounted on the memory body by means of plug-in connection or by means of tip-touch connection.

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