COMMUNICATION DEVICE AND DETECTION METHOD
First Claim
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1. A communication device comprising:
- a measurement portion configured to measure a reflection coefficient of an antenna that performs proximity wireless communication, during transmission of a transmission signal by the antenna; and
a judgment portion configured to judge whether a value of the reflection coefficient measured by the measurement portion changes exceeding a value of a reflection coefficient of the antenna in a normal state and a predetermined threshold value.
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Abstract
There is provided a device including a communication device including a measurement portion configured to measure a reflection coefficient of an antenna that performs proximity wireless communication, during transmission of a transmission signal by the antenna, and a judgment portion configured to judge whether a value of the reflection coefficient measured by the measurement portion changes exceeding a value of a reflection coefficient of the antenna in a normal state and a predetermined threshold value.
16 Citations
8 Claims
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1. A communication device comprising:
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a measurement portion configured to measure a reflection coefficient of an antenna that performs proximity wireless communication, during transmission of a transmission signal by the antenna; and a judgment portion configured to judge whether a value of the reflection coefficient measured by the measurement portion changes exceeding a value of a reflection coefficient of the antenna in a normal state and a predetermined threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A judgment method comprising:
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measuring a reflection coefficient of an antenna that performs proximity wireless communication, during transmission of a transmission signal by the antenna; and judging whether a value of the reflection coefficient measured in the measurement step changes exceeding a value of a reflection coefficient of the antenna in a normal state and a predetermined threshold value.
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Specification