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Electronic device having power saving function and extension unit

  • US 20020115481A1
  • Filed: 01/30/2002
  • Published: 08/22/2002
  • Est. Priority Date: 02/22/2001
  • Status: Active Grant
First Claim
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1. An electronic device in which an expansion unit is removably connected, comprising:

  • a command device configured to give a command to supply power to the expansion unit; and

    a power supply control device configured to start the supply of power to the expansion unit when a command is given by the command device in a state where the electronic device is turned off.

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