| 摘要 |
A wireless microphone transmits audio signals using infrared rays. A plurality of infrared light emitting devices are attached to a board in the wireless microphone, and at least one of the plurality of infrared light emitting devices is disposed on each side of the board. A plurality of infrared light emitting devices may be provided on each side of the board, and the infrared light emitting devices may be disposed radially. Without providing a different dedicated board for the light emitting devices than the board, infrared rays can be radiated to an area around the mic. In this manner, a wireless microphone is provided that can radiate infrared rays to an area around the mic and that has a simple structure and a small number of components and thus can improve productivity.
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