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USB plug with a built-in-card-reading slot

  • US 7,575,481 B1
  • Filed: 12/24/2008
  • Issued: 08/18/2009
  • Est. Priority Date: 12/24/2008
  • Status: Expired due to Fees
First Claim
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1. A USB plug with a built-in card-reading slot, and more particularly, an A-Type USB plug with a built-in card-reading slot, comprising:

  • a) a metal housing meeting the specification of USB A-Type plug dimensions and having a first wall and a second wall at the top and bottom ends thereof, respectively; and

    b) an isolation substrate enclosed by the metal housing except the front-rear side thereof, the isolation substrate having a first surface and a second surface, the first surface being directed downward and having a contact finger interface such that the first surface and the first wall of the metal housing create a first slot in electric connection to a USB female plug,wherein the thickness of partial portion of the isolation substrate is less than 1.2 mm such that a second slot for the insertion of a thin-type Micro SD/T-Flash memory card is formed between the second surface and the second wall;

    wherein a plurality of metal terminals is positioned on the second surface for an electric connection to the memory card such that the second slot is formed as a thin-type card-reading slot for the SD/T-Flash memory card; and

    wherein an indentation is formed at the tail of the second wall for the insertion of the protrusion of the memory card such that the protrusion just fits into the indentation when the memory card is inserted into the second slot;

    moreover, the contour still meet the specification of the normal USB plug such that a normal USB operation won'"'"'t be affected when the USB plug is attached to a terminal portion of an electronic product.

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