RADIO IC DEVICE
First Claim
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1. A radio IC device comprising:
- a radio IC arranged to process radio signals;
an auxiliary electrode pattern connected to the radio IC; and
a radiation electrode pattern coupled to the auxiliary electrode pattern and arranged to radiate the radio signals;
whereina portion of the auxiliary electrode pattern is coupled to a maximum-voltage section in the radiation electrode pattern through a capacitor.
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Abstract
A radio IC device that is highly efficient in transmitting signals from a radio IC to a radiation pattern includes a radio IC chip arranged to processes radio signals, an auxiliary electrode pattern that is connected to the radio IC chip and includes a loop-shaped electrode, and a radiation electrode pattern that includes a magnetic-field radiation electrode having a resonant frequency and an electric-field radiation electrode having a resonant frequency. The loop-shaped electrode of the auxiliary electrode pattern is coupled to a maximum-voltage section of the magnetic-field radiation electrode through a capacitor.
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Citations
8 Claims
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1. A radio IC device comprising:
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a radio IC arranged to process radio signals; an auxiliary electrode pattern connected to the radio IC; and a radiation electrode pattern coupled to the auxiliary electrode pattern and arranged to radiate the radio signals;
whereina portion of the auxiliary electrode pattern is coupled to a maximum-voltage section in the radiation electrode pattern through a capacitor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification