Wireless communication device and power receiving device
First Claim
1. A wireless communication device comprising:
- a first communication processing unit for performing communication in an electromagnetic induction system by using a first antenna unit;
a second communication processing unit for performing communication at a higher speed than the first communication processing unit by a system or a communication frequency different from the electromagnetic induction system by using a second antenna unit; and
a power generation unit for generating power at least for performing communication operations from a carrier signal received by the first antenna unit, andwherein the power generated is increased in the power generation unit by switching a frequency resonance characteristic of the first antenna unit to a non-resonant state by reducing a quality factor when performing communication at the higher speed using the second antenna unit.
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Abstract
A wireless communication device is provided and includes: a first communication processing unit performing communication in an electromagnetic induction system by using a first antenna unit; a second communication processing unit performing communication at higher speed than the first communication processing unit by a system or a communication frequency different from the electromagnetic induction system by using a second antenna unit; and a power generation unit generating power at least for performing communication operations from a carrier signal received by the first antenna unit. The power is generated in the power generation unit by switching a frequency resonance characteristic of the first antenna unit.
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Citations
10 Claims
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1. A wireless communication device comprising:
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a first communication processing unit for performing communication in an electromagnetic induction system by using a first antenna unit; a second communication processing unit for performing communication at a higher speed than the first communication processing unit by a system or a communication frequency different from the electromagnetic induction system by using a second antenna unit; and a power generation unit for generating power at least for performing communication operations from a carrier signal received by the first antenna unit, and wherein the power generated is increased in the power generation unit by switching a frequency resonance characteristic of the first antenna unit to a non-resonant state by reducing a quality factor when performing communication at the higher speed using the second antenna unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10)
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8. A power receiving device comprising:
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a power generation unit for generating power from a carrier signal received by an antenna unit for performing data communication in an electromagnetic induction system, and wherein the power generated is increased in the power generation unit by switching a frequency resonance characteristic of the antenna unit to a non-resonant state by reducing a quality factor in accordance with a data communication operation in the electromagnetic induction system when performing communication at a higher speed using another antenna unit.
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Specification