| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna system for realizing length reduction and downsizing of an electronic apparatus connected to the antenna system while ensuring the antenna performance. SOLUTION: The antenna system includes a helical antenna 1 having: a substrate; a helical part provided to the substrate; and terminals provided to both ends of the substrate, wherein the helical part and the terminals are electrically connected, one of the terminals is connected to a feeder, and the other is connected to an opening, and includes an antenna mount board 17 on which the helical antenna 1 is mounted, the antenna mount board 17 being configured such that the antenna mount board 17 is electrically connected to a circuit board 15 on which circuit components are mounted and a principal side direction of the antenna mount board 17 is tilted from a principal side direction of the circuit board 15. COPYRIGHT: (C)2005,JPO&NCIPI
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