发明名称 |
TELEPHONE SYSTEM HAVING NUMBER DISPLAY FUNCTION |
摘要 |
PROBLEM TO BE SOLVED: To surely confirm call origination source information on the side of a telephone set in the case of utilizing a number display service. SOLUTION: This telephone system is provided with a call origination source detector 1 serially connected to a telephone line L on the preceding stage of a telephone set T and a call origination source information display device 2 provided near the telephone set T, the call origination source information detector 1 is provided with a call origination source information receiving means 15 for receiving the call origination source information sent from an exchange through the telephone line L and a wireless transmission means 16 for wirelessly transmitting this received call origination source information, and the call origination source information display device 2 is provided with a wireless reception means 22 for wirelessly receiving the call origination source information transmitted from the call origination source information detector and a call origination source information display means 23 for displaying this received call origination source information.
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申请公布号 |
JP2000004286(A) |
申请公布日期 |
2000.01.07 |
申请号 |
JP19980167074 |
申请日期 |
1998.06.15 |
申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
KUMAGAI TAKASHI |
分类号 |
H04M3/42;H04M1/00;H04M1/57;(IPC1-7):H04M1/57 |
主分类号 |
H04M3/42 |
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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