| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an antenna device which has simple structure, is formed compact and facilitates design of a frequency band which can be matched. <P>SOLUTION: First to sixth antenna elements 12a-12f with different resonant length are adjacently arranged on one surface of a dielectric substrate 11, one-end sides of the first to sixth antenna elements 12a-12f are short-circuited by bending them at an angle of 90° to be conducted with a grounding part 13, power supply to the first to sixth antenna elements 12a-12f by electromagnetic coupling from a power supply terminal 14 via a dielectric substrate 11 is performed by forming the power supply terminal 14 on the other surface of the dielectric substrate 11, and supplying power from a feeding point 15, and thus, the antenna device 1 is obtained in which the first to sixth antenna elements 12a-12f each being an inverted L antenna and the power supply terminal 14 function as inverted F antennas, respectively, and a desired matching frequency band is easily designed by addition and deletion of the antenna elements according to a matching frequency. <P>COPYRIGHT: (C)2009,JPO&INPIT |
