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US 2017/0365926 A1Published application
Antenna device, control device, and radio communication device
AssigneeKabushiki Kaisha Toshiba
InventorsSeiya KISHIMOTO, Makoto HIGAKI
Life of this patent
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Abstract
An antenna device according to an embodiment includes an antenna including a power feeding point, a matching circuit having a variable impedance, a loop type probe being installed near the power feeding point and receiving a radio wave radiated from the antenna, a power detector detecting electric power of the radio wave received by the loop type probe, and a control circuit controlling an impedance of the matching circuit on the basis of power information output from the power detector.
Claims15
An antenna device, comprising:
- an antenna including a power feeding point;
- a matching circuit having variable impedance;
- a loop type probe being installed near the power feeding point, the loop type probe receiving a radio wave radiated from the antenna;
- a power detector detecting electric power of the radio wave received by the loop type probe;
- and
- a control circuit controlling an impedance of the matching circuit on the basis of power information output from the power detector.
3 more elements
A control device, comprising:
- a matching circuit including a connecting portion connectable to an antenna and having variable impedance;
- a loop type probe being installed near the connecting portion, the loop type probe receiving a radio wave radiated from the antenna;
- a power detector detecting electric power of a radio wave received by the loop type probe;
- and
- a control circuit controlling an impedance of the matching circuit on the basis of power information output from the power detector.
2 more elements
A radio communication device, comprising:
- an antenna device including
- an antenna including a power feeding point,
- a matching circuit having variable impedance,
- a loop type probe being installed near the power feeding point, the loop type probe receiving a radio wave radiated from the antenna,
- a power detector detecting electric power of the radio wave received by the loop type probe, and
- a control circuit controlling an impedance of the matching circuit on the basis of power information output from the power detector;
- a radio generating a signal;
- and
- an amplifier amplifying the signal, the amplifier outputting an amplified signal to the antenna device.
6 more elements
Dependencies are inferred from the claim text.