| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To simplify the assembling work by decreasing the number of components and to make a housing thin. <P>SOLUTION: The antenna for circularly-polarized wave signal comprises a ground plate 50 formed of a planar conductor having a hole part and contained in a flat housing 40, antenna elements 60 formed of planar conductors and arranged in parallel at predetermined intervals on the surface 51 side of the ground plate 50 in the housing 40; and feeder pins 64 formed by bending a part of the antenna elements 60 to the ground plate 50 side, while projecting the forward end from the hole part 53 to the rear surface 52 side of the ground plate 50 and being connected electrically with the central conductor Cb of a coaxial cable C, wherein the outer conductor Ca of the coaxial cable C is connected electrically with the rear surface 52 side of the ground plate 50. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
