| 摘要 |
PURPOSE:To maintain a radio circuit with the optimum outpout according to the condition of the radio circuit, by providing the error detecting information between pauses of the call of a standing radio sessional circuit to transmit it to the opposite station and securing an automatic control for the output of the transmitter of the opposite station. CONSTITUTION:The output of the frame error detecting circuit 8 is applied to the sessional signal compounding circuit 9 of the transmitter of the own station and inserted between the pauses of the communication signals of the input B. The output of the circuit 9 is multiplied by the multiplex signal and the synchronous signal, i.e., the output of the frame signal circuit 10 in the transmission signal coumpounding circuit 11 of the next stage, and transmitted to the receiver of the opposite station by the transmission telephone fT through the antenna 14 via the modulator 12 and the electric power amplifying circuit 13. The output of the electric power control signal detecting circuit 18 is sent to the electric power amplifying circuit 19 to control the output of the circuit 19 so that the transmitter of the opposite station delivers an output with the transmission output according to the quality of the radio circuit decided by the receiver of the own station. The output of the circuit 19 is sent to the receiver of the own station through the antenna 20. |
