JP2004208219A5 - - Google Patents

Claims (14)

In an antenna device mounted on a wireless device,
A second housing coupled to the first housing;
A first conductor installed on the first housing side;
The second conductor is installed on the second housing side and has a second conductor that constitutes an antenna with the first conductor
A high frequency voltage is fed to the first conductor and the second conductor. In an antenna device mounted on a wireless device,
A second housing coupled to the first housing;
A third housing coupled to the second housing;
A first conductor installed on the first housing side;
A second conductor installed on the second housing side and constituting the antenna with the first conductor;
Having a third conductor installed on the third housing side,
A high frequency voltage is fed to the first conductor and the second conductor. In an antenna device mounted on a wireless device,
A second housing coupled to the first housing;
A third housing coupled to the second housing and configured to be foldable or slidable;
A first conductor installed on the first housing side;
A second conductor installed on the second housing side and constituting the antenna with the first conductor;
A third conductor disposed on the third housing side, disposed substantially in parallel with the second conductor when housed in the second housing, and electrically disconnected from the second conductor. And
A high frequency voltage is fed to the first conductor and the second conductor. The antenna device according to claim 2 or 3, wherein the second housing and the third housing are fixed at a desired position . The antenna device according to claim 2, wherein the third conductor has a meander shape. The antenna device according to any one of claims 2 to 4, wherein the third conductor has one or a plurality of slots. The antenna device according to claim 2, wherein the third conductor has one or a plurality of slits. A conductive wire bundle comprising a plurality of conductive wires and electrically connecting the first conductor and the second conductor ;
The antenna device according to any one of claims 1 to 7, further comprising a high-impedance portion that increases the impedance of the conductive wire bundle in a use frequency band. The high impedance part
The first conductor or the second conductor and a part of the conductive wire bundle are installed substantially in parallel,
The end of the conductive wire bundle is electrically connected to the first conductor and the second conductor at high frequency, respectively, and a part of the conductive wire bundle forms a short-circuited microstrip line with the first conductor or the second conductor. The antenna device according to claim 8. The first conductor or the second conductor and a part of the conductive wire bundle are installed substantially in parallel, and the electrical length of the part installed in parallel is about ¼ wavelength of the used frequency band. 9. The antenna device according to 9. The antenna device according to any one of claims 8 to 10, further comprising a conductive wire that is arranged in parallel with the conductive wire bundle and electrically connects the first conductor and the second conductor. . 12. The antenna device according to claim 11, further comprising an inductive or capacitive load connected in series to the conductive wire. The antenna device according to any one of claims 1 to 12, wherein a length in a longitudinal direction of the first conductor and the second conductor is about ¼ wavelength of a use frequency band. A second housing coupled to the first housing;
  A first conductor installed on the first housing side;
  Installed on the second housing side, having the first conductor and a second conductor constituting an antenna;
  A mobile phone, wherein a high-frequency voltage is supplied to the first conductor and the second conductor.