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Portable electronic device and heat-dissipation method and battery charger thereof

  • US 7,375,967 B2
  • Filed: 11/23/2005
  • Issued: 05/20/2008
  • Est. Priority Date: 04/15/2005
  • Status: Expired due to Fees
First Claim
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1. A portable electronic device, comprising:

  • a housing, comprising a first opening;

    a first circuit board, disposed in the housing; and

    a heat-transfer module, comprising a metal sheet disposed on the first circuit board,wherein the metal sheet comprises a first portion and a second portion, the first portion contacts the first circuit board, the second portion is an elastic structure located in the first opening, and heat in the portable electronic device is removed via the heat-transfer module.

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