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Wireless power storage device, semiconductor device including the wireless power storage device, and method for operating the same

  • US 20080079396A1
  • Filed: 09/14/2007
  • Published: 04/03/2008
  • Est. Priority Date: 09/29/2006
  • Status: Active Grant
First Claim
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1. A wireless power storage device comprising:

  • an antenna circuit;

    a rectifier circuit;

    a battery;

    a charge control circuit configured to control charging of the battery;

    a discharge control circuit configured to control discharging of the battery wherein the discharge control circuit comprises a switch; and

    a load portion electrically connected to the battery through the discharge control circuit,wherein the antenna circuit is electrically connected to the battery through the rectifier circuit and the charge control circuit,wherein the battery is discharged by turning on the switch in response to a voltage of the battery and supplying electrical power stored in the battery to the load portion through the discharge control circuit,wherein charging of the battery is performed cumulatively, andwherein the battery is configured to discharge at least 80 percent of the electrical power stored in the battery by discharging two times or less.

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