| 摘要 |
<p>The present invention provides a compact and lightweight wireless microphone (31, 21) wherein the transmitter device for wireless microphone comprises connector means (40) for making connection to a microphone (31) from which a voice signal is received, low-frequency amplification means (41) for amplifying the voice signal, surface acoustic wave oscillation means (46) for outputting a high-frequency oscillation signal, modulation means (45) for performing frequency modulation of the high-frequency oscillation signal by the amplified voice signal, high-frequency amplification means (41) for amplifying a high-frequency modulation signal modulated, antenna means for radiating a high-frequency output signal amplified by radio waves, and power source means (49, 50) for supplying electric power of a predetermined voltage. <IMAGE></p> |
