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MODULE FOR EXPANDING FUNCTION OF MOBILE DEVICE AND MOBILE DEVICE HAVING THE SAME

  • US 20110216485A1
  • Filed: 08/17/2010
  • Published: 09/08/2011
  • Est. Priority Date: 03/05/2010
  • Status: Active Grant
First Claim
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17-1. The device of claim 1, wherein the expansion module further comprises an external battery to supply power to the main body when the main body is coupled to the expansion module.

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