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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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