| 摘要 |
PROBLEM TO BE SOLVED: To provide a planar antenna with a simple and inexpensive configuration that is not conspicuous even when the antenna is installed indoors. SOLUTION: A plate-like earth element in the planar antenna comprises: a first film body with electric insulation with a meshed conductor provided on one side thereof with a size of a prescribed range, a radiation element comprises a second film body with electric insulation with a meshed conductor provided on one side thereof with a patch shape, a parasitic element comprises a third film body with electric insulation with a meshed conductor provided on one side thereof with a patch shape, a first dielectric layer as a dielectric body comprises air with a prescribed layer width, and a second dielectric layer as a dielectric body is made of a resin material with a prescribed layer width. At least, each of the first, second and third film bodies comprises a transparent resin material. COPYRIGHT: (C)2007,JPO&INPIT
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