发明名称 AUDIBLE SIGNAL I/O DETECTING SYSTEM
摘要 This system enables to monitor whether the desired message is inputted or outputted after listening the analog signal or the PCM data. This system consists of a control data latch means (110), which latches the time slot control data (D1-D7), a time slot control means (120), which generates the time slot control signal, a PCM code/decode means (130), which converts the PCM data to the analog signal, or converts the analog signal to the PCM data, a matching means (140), which matches the analog signal to the tape recorder and the handset.
申请公布号 KR940000456(B1) 申请公布日期 1994.01.21
申请号 KR19910005887 申请日期 1991.04.12
申请人 KOREA TELECOMMUNICATIONS CORP.;KOREA ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE 发明人 YU, DUK - SU;SHIN, DONG - JIN;LEE, HYONG - HO
分类号 H04M3/50;(IPC1-7):H04M3/50 主分类号 H04M3/50
代理机构 代理人
主权项
地址