| 摘要 |
PROBLEM TO BE SOLVED: To provide a low cost and compact antenna device of high gain. SOLUTION: The antenna device includes: a grounding plate 101 composed of a grounding conductor; a linear antenna 102 which is composed of a linear conductor, and uses one of both ends as a feeding end; plates 103a and 103b which are electrically connected to the other of both ends of the linear antenna 102 and are composed of a plate-like conductor; and a signal feeding means, which is arranged at the grounding plate 101, and performs feeding of an unbalanced signal to the linear antenna 102. COPYRIGHT: (C)2011,JPO&INPIT
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