| 摘要 |
PROBLEM TO BE SOLVED: To provide a method which enables the maximum using of electric power which can be utilized with phantom power supply which supplies power to an audio amplifier. SOLUTION: In this remote control method of a microphone, the microphone is equipped with at least one microphone capsule (9) and at least one auxiliary electric power receiver. Energy of this microphone is supplied from a phantom power supply through a cable wire of a voice cable. For the feature of this invention, frequency modulated voltage is supplied as a control signal to at least one wire out of two cable wires (1, 2), and phantom power supply is also generated through the wire. Frequency modulated voltage of a microphone side is supplied to a control electronic circuit (39), and a command is sent to an individual electric power receiver according to the frequency modulated control signal. COPYRIGHT: (C)2006,JPO&NCIPI |
