| 摘要 |
PROBLEM TO BE SOLVED: To equip a built-in antenna device for radio network in the inside of a computer, thereby improving directivity etc. by an operation from the outside. SOLUTION: The built-in antenna device 1 for radio network is provided with an antenna section 3 and a shaft 5 attached to the antenna section 3. Meanwhile, a main unit 13 of the computer 11 contains the antenna section 3. The shaft 5 is exposed to the outside from the main unit 13 through a through hole 23. With this constitution, a user can adjust the directivity of the antenna section 3 by rotating the shaft 5 exposed to the outside of the main unit 13. COPYRIGHT: (C)2004,JPO
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