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POWER SAVING APPARATUS AND METHOD

  • US 20060271800A1
  • Filed: 04/28/2006
  • Published: 11/30/2006
  • Est. Priority Date: 05/28/2005
  • Status: Active Grant
First Claim
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1. A power saving apparatus being interposed between a power supply unit and an electronic device, the power saving apparatus comprising:

  • a controlling circuit controllable by the electronic device by using a “

    idle”

    signals, the “

    idle”

    signal indicating the electronic device is idle over a time period;

    a switching component for producing an “

    awakening”

    signal; and

    a switching circuit under control of the controlling circuit and the switching component, for cutting off or resuming power supply to the electronic device respectively in accordance with the “

    idle”

    signal, and the “

    awakening”

    signal.

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