| 摘要 |
PROBLEM TO BE SOLVED: To accurately define relative positions of an antenna element and a ground in an antenna apparatus. SOLUTION: A joint 16 includes a cable receiving groove to which a coaxial cable 18 is fixed. The joint 16 further includes, at both ends of the cable receiving groove, an element setup portion 26 to which the antenna element can be attached and fixed and a ground setup portion 28 to which the ground can be attached and fixed. The element setup portion and the ground setup portion are provided with engagement protrusions 40 and 44, respectively, which can engage with engagement holes of the antenna element and the ground, defining the relative positions of the antenna element and the ground relative to the joint 16. COPYRIGHT: (C)2009,JPO&INPIT
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