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Apparatus for supplying auxiliary power to portable electronic devices

  • US 6,490,186 B2
  • Filed: 11/27/2001
  • Issued: 12/03/2002
  • Est. Priority Date: 01/04/2001
  • Status: Expired due to Term
First Claim
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1. An apparatus for supplying auxiliary power to a portable electric device, comprising:

  • a casing;

    a battery removably accommodated in said casing;

    a winding unit winding and unwinding an electric wire conveying electric power from said battery supplied to said portable electric device, rotating forward and backward in said casing; and

    a contact member provided in said winding unit, including a movable contact electrically connected to said electric wire, and a secured contact electrically connected to said battery and constantly contacted with said movable contact.

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