| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an antenna device capable of being built into an electronic timepiece, and of minimizing a built-in space. <P>SOLUTION: An antenna device 2 comprises: a solar battery part 3 which includes a support substrate 3d and a power generation part formed on a surface of the support substrate 3d, and which generates electric power by photovoltaics; and an antenna part 4 which includes a first antenna electrode functioning as a radio wave receiving part, a second antenna electrode, and a dielectric layer 4a arranged between the first and second antenna electrodes, the antenna part 4 receiving a radio wave from a GPS satellite 100. In the antenna part 4, the support substrate 3d is used as the first antenna electrode and is made function as the radio wave receiving part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
