实时语音报时电话全自动录音装置杨耕绪本录音装置除对来、去话进行全自动录音外，还可以在每一段电话录音内容之始自动注入即时语音时刻，从而增加了录音资料的详实性，方便调出和分析。工作原理如附图所示，当线路上送来振铃信号或电话用户摘机时，光电耦合器ＧＤ；导通... Real-time voice-time telephone automatic recording device Yang Genxu The recording device in addition to coming and going, automatic recording, but also in the beginning of each phone recording content automatically injected instant voice, thereby increasing the detailed record data, easy Recall and analyze. Working principle as shown in the figure, when the ring sent the ring signal or the phone user off hook, the optical coupler GD;