| 摘要 |
PROBLEM TO BE SOLVED: To keep a disk unit 10 and a cone unit 5 in predetermined spatial spacing, and offer a supporting structure of a discone antenna which improves antenna property. SOLUTION: The antenna includes an insulation base unit 20 whose end is attached to a vehicle and which has a strut 24 with a fixing unit on a front surface; the cone unit 5 which is a metal plate of a cone cylinder shape attached to a front surface of the insulation base unit 20; and the disk unit 10 of a disk shape metal plate which is fixed to a fixing unit 26 of the strut 24 keeping predetermined spacing with a top unit of the cone unit 5 in coaxial to a center axis of the cone unit 5. COPYRIGHT: (C)2007,JPO&INPIT
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