发明名称 ATTEND CONSOL INTERFACE DEVICE & ITS OPERATION METHOD FOR PBX
摘要 The device includes a processor controlling unit(21) for generating a data/address control signal, a memory unit(22) for connecting the controlling unit(21) with system bus and storing a hardware control program and data, a dual port RAM unit(23) for receiving a keeping/repairing data and transmitting control information, and a main control board(400) having attendance console interface unit(24) for connecting the controlling unit(21) with system bus and controlling a receiving/transmitting signal of keeping/repairing data.
申请公布号 KR960013971(B1) 申请公布日期 1996.10.10
申请号 KR19930026429 申请日期 1993.12.03
申请人 HYUNDAI ELECTRONICS IND.CO.,LTD. 发明人 CHAE, YONG-WOO;PARK, JIN-YOUNG
分类号 H04Q3/58;H04L12/02;H04M3/00;H04M3/60;H04Q1/20;H04Q1/30;H04Q3/42;(IPC1-7):H04Q1/20 主分类号 H04Q3/58
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