Radio system, radio apparatus, and antenna device
First Claim
Patent Images
1. A radio system comprising:
- a first radio apparatus that has a first loop antenna; and
a second radio apparatus that has a second loop antenna and that performs a radio communication with the first radio apparatus when the second loop antenna is opposed with the first loop antenna,wherein the second radio apparatus has a shield member that is formed of a magnetic substance and disposed to shield at least a portion of the second loop antenna with respect to the first loop antenna when the radio communication is performed.
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Abstract
According to an aspect of the present invention, there is provided a radio system including: a first radio apparatus that has a first loop antenna; and a second radio apparatus that has a second loop antenna and that performs a radio communication with the first radio apparatus when the second loop antenna is opposed with the first loop antenna, wherein the second radio apparatus has a shield member that is formed of a magnetic substance and disposed to shield at least a portion of the second loop antenna with respect to the first loop antenna when the radio communication is performed.
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Citations
15 Claims
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1. A radio system comprising:
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a first radio apparatus that has a first loop antenna; and a second radio apparatus that has a second loop antenna and that performs a radio communication with the first radio apparatus when the second loop antenna is opposed with the first loop antenna, wherein the second radio apparatus has a shield member that is formed of a magnetic substance and disposed to shield at least a portion of the second loop antenna with respect to the first loop antenna when the radio communication is performed. - View Dependent Claims (2, 3, 4, 5)
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6. A radio apparatus comprising:
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a built-in loop antenna that is to be opposed with a loop antenna of an external apparatus for performing a radio communication between the radio apparatus and the external apparatus; and a shield member that is formed of a magnetic substance disposed to shield at least a portion of the built-in loop antenna with respect to the loop antenna of the external apparatus when the radio communication is performed. - View Dependent Claims (7, 8, 9, 10)
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11. An antenna device that is included in a radio apparatus and that is to be opposed with a loop antenna of an external apparatus for performing a radio communication between the radio apparatus and the external apparatus, the antenna device comprising:
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an antenna element that is formed into a loop shape; and a shield member that is formed of a magnetic substance disposed to shield at least a portion of the antenna element with respect to the loop antenna of the external apparatus when the radio communication is performed. - View Dependent Claims (12, 13, 14, 15)
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Specification