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METHOD AND APPARATUS FOR PROVIDING STANDBY POWER FOR VISUAL DISPLAY DEVICE

  • US 20110163602A1
  • Filed: 02/24/2010
  • Published: 07/07/2011
  • Est. Priority Date: 01/07/2010
  • Status: Active Grant
First Claim
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1. A method for providing standby power to a visual display, the method comprising:

  • determining whether a battery has a voltage below a predetermined value;

    if the voltage is below the predetermined value, charging the battery with a charging current from a light collection unit; and

    if the voltage is not below the predetermined value, providing the standby power to the visual display with the battery.

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