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US 2006/0187135 A1Published application
Antenna device
AssigneeFujitsu Limited
InventorsToru Maniwa, Andrey Andrenko, Shigekazu Kimura
Life of this patent
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Abstract
An antenna device is disclosed. An antenna such as a dipole antenna and a parallel feeder each formed of a conductor pattern are disposed on a dielectric plate. The connector is connected to the antenna through the parallel feeder. The parallel feeder has a length of an integral multiple of a half wavelength and has an even number of bending points between the connecter and the antenna.
Claims5
An antenna device, comprising:
- a dielectric plate;
- an antenna formed of a conductor pattern and disposed on the dielectric plate;
- a connector disposed on the dielectric plate;
- and
- a parallel feeder formed of a conductor pattern to connect the antenna to the connector;
- wherein the parallel feeder has a length of an integral multiple of a half wavelength and has an even number of bending points between the connecter and the antenna.
3 more elements
An antenna device, comprising:
- a dielectric plate;
- an antenna formed of a conductor pattern and disposed on the dielectric plate;
- a connector disposed on the dielectric plate;
- and
- a parallel feeder formed of a conductor pattern to connect the antenna to the connector;
- wherein the parallel feeder includes a first parallel feeder part, and a second parallel feeder part having one end connected to the first parallel feeder part and the other end connected to the connector;
- the dielectric plate includes a first dielectric plate on which the first parallel feeder part and the antenna are disposed, and a second dielectric plate which is fixed to the first dielectric plate to be substantially orthogonal to the first dielectric plate and on which the connector and the second parallel feeder part are arranged;
- and
- the parallel feeder has a length of an integral multiple of a half wavelength and has an even number of bending points between the connecter and the antenna.
6 more elements
An antenna device, comprising:
- first and second dielectric plates arranged in a horizontal direction and a vertical direction, respectively;
- first and second antennas formed of conductor patterns and disposed on the first dielectric plate and the second dielectric plate, respectively;
- first and second connectors disposed on the first dielectric plate and the second dielectric plate, respectively;
- and
- first and second parallel feeders formed of conductor patterns to connect the first antenna to the first connector and the second antenna to the second connector, respectively;
- wherein each of the first parallel feeder and the second parallel feeder has a length of an integral multiple of a half wavelength and has an even number of bending points.
3 more elements
An antenna device, comprising:
- a dielectric plate;
- mutually-perpendicular first and second antennas disposed on the same plane on the dielectric plate;
- first and second connectors disposed on the dielectric plate;
- first and second parallel feeders to connect the first antenna to the first connector and the second antenna to the second connector, respectively;
- and
- a feeder section to feed power to the first antenna or the second antenna by switching between the first and second antennas or to feed power to the first and second antennas while differentiating feeding phases thereof;
- wherein each of the first parallel feeder and the second parallel feeder has a length of an integral multiple of a half wavelength and has an even number of bending points.
4 more elements
Dependencies are inferred from the claim text.