| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable wireless device which prevents deterioration in an antenna characteristic even when it is provided with three or more antenna elements. SOLUTION: The portable wireless device includes: a housing; a circuit board 20 provided inside the housing; and a first antenna 11, a second antenna 12, and a third antenna 13 which are placed at one end inside the housing and operate in different operation frequency bands. The first antenna 11 operates in a first operation frequency band, the second antenna 12 operates in a second operation frequency band close to the first operation frequency band, and the third antenna 13 operates in a third operation frequency band which does not approximate to the first operation frequency band or the second operation frequency band and is placed between the first antenna 11 and the second antenna 12 at one end inside the housing. COPYRIGHT: (C)2010,JPO&INPIT |
