| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna apparatus which can obtain excellent reception properties and can easily be installed. SOLUTION: The antenna apparatus 101 comprises: a plurality of antennas 11A, 11B, 11C, 11D common in a frequency band of a radio signal to be received; and a combiner 12 for combining radio signals received by the plurality of antennas 11A, 11B, 11C, 11D, wherein the plurality of antennas 11A, 11B, 11C, 11D form a line at intervals set based on a half width and a frequency band of each of directivity. COPYRIGHT: (C)2009,JPO&INPIT
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