| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna device capable of radiating an electric wave and an acoustic wave from an opening part.SOLUTION: A housing 2 has a rear surface case 4 formed by a conductor plate. A plurality of opening parts 9A and 9B are arranged to a bottom surface part 4A of the rear surface case 4 so as to be positioned near a built-in speaker 7. An array antenna 11 is arranged to a position opposite to a plurality of opening part 9A in an inner part of the housing 2. The array antenna 11 has a plurality of radiation electrodes 15. Each of the radiation electrodes 15 is arranged to a position corresponding to the opening part 9A. An acoustic wave transmission part 22 transmittable an acoustic wave S is arranged between the array antenna 11 and the bottom surface part 4A. The opening part 9A radiates the acoustic wave S by the built-in speaker 7 and radiates high frequency signal RF by the radiation electrode 15.SELECTED DRAWING: Figure 4 |
