| 摘要 |
The present invention relates to a village broadcasting system comprising a push talk control circuit. The push talk control circuit includes a constant voltage generating unit to input a voltage signal and to generate a constant signal from the voltage signal; a transmission signal input unit to input a transmission signal; and a push talk control unit to control on/off operation of the push talk circuit according to the constant signal and the transmission signal, thereby allowing the village broadcast by village broadcasting receiving devices. |
