US 7,616,161 B2
Portable wireless apparatus
Tomoaki Nishikido, Ishikawa (Japan); Yutaka Saito, Ishikawa (Japan); and Yoshio Koyanagi, Kanagawa (Japan)
Assigned to Panasonic Corporation, Osaka (Japan)
Appl. No. 11/915,817
PCT Filed Feb. 07, 2006, PCT No. PCT/JP2006/302049
§ 371(c)(1), (2), (4) Date Nov. 28, 2007,
PCT Pub. No. WO2006/129400, PCT Pub. Date Dec. 07, 2006.
Claims priority of application No. 2005-162996 (JP), filed on Jun. 02, 2005.
Prior Publication US 2009/0096682 A1, Apr. 16, 2009
Int. Cl. H01Q 1/24 (2006.01)
U.S. Cl. 343—702 6 Claims
OG exemplary drawing
 
1. A portable wireless apparatus comprising:
a first case;
a second case pivotably connected to said first case;
a circuit board provided in said second case, and formed with a wireless circuit and a grounded planar conductor electrically connected to one end of said wireless circuit;
a planar conductor provided in said first case and electrically connected to said other end of said wireless circuit; and
a conductive element provided in said first case and spaced from said planar conductor, said conductive element having a length different from a length of said planar conductor, wherein
said planar conductor and said grounded planar conductor function as a dipole antenna, and
said conductive element functions as a parasitic element electromagnetically coupled with said dipole antenna.