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Photovoltaic power generation system

  • US 8,907,614 B2
  • Filed: 03/22/2011
  • Issued: 12/09/2014
  • Est. Priority Date: 03/25/2010
  • Status: Expired due to Fees
First Claim
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1. A photovoltaic power generation system to charge a battery of a vehicle, including solar cells for feeding an electromotive force to said battery, comprising:

  • a display unit to make a remaining level of said battery and an electricity generated by said solar cells visible; and

    a charge and discharge control circuit for controlling a display state of said display unit,wherein said display unit comprises a plurality of luminous elements each configured to emit a light beam different in color, while said charge and discharge control circuit is configured to control said display unit so that depending on the remaining level of said battery, at least one luminous element from among the plurality of luminous elements is selected to be lit, and a flickering interval of the selected at least one luminous element is varied depending on the electricity generated by said solar cells.

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