Semiconductor device and ic label, ic tag, and ic card having the same

Semiconductor device and ic label, ic tag, and ic card having the same

  • CN 101,454,788 A
  • Filed: 05/25/2007
  • Published: 06/10/2009
  • Est. Priority Date: 05/31/2006
  • Status: Active Application
First Claim
Patent Images

1. semiconductor devices comprises:

  • Antenna circuit;

    Energy supply circuit;

    AndSignal control circuit,Wherein energy supply circuit comprises;

    Rectifier circuit is used for the signal from antenna circuit is carried out rectification;

    Battery uses the signal through rectification that it is charged;

    On-off circuit;

    Low frequency signal generation circuit;

    AndPower circuit;

    AndWherein on-off circuit is controlled the electric energy that offers power circuit from battery by the signal from low frequency signal generation circuit.

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