| 摘要 |
PROBLEM TO BE SOLVED: To realize an excellent frequency characteristic and signal reproducibility by suppressing an influence of reflection at an element end of an antenna having a conical or triangular element. SOLUTION: Slits 31 to 35 are formed in the periphery of the end at a distance from a feed point 4 of the conical or triangular antenna element 2 to obtain capacitive coupling and then its degree of coupling is gradually decreased to enable slow termination. Consequently, abrupt reflection of a signal at a terminal end is suppressed. COPYRIGHT: (C)2005,JPO&NCIPI
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