发明名称 |
TELEPHONE SET |
摘要 |
PURPOSE:To allow the titled telephone set not to respond to a malicious call by raising a buzzer only when a predetermined pass number is inputted. CONSTITUTION:The own pass number is inputted in advance to a pass number setting section 11 by the user. A control section 12 comprising a microcomputer inputs an output of an incoming detection circuit 6 and an FM signal reception circuit 5 or the like to control a voice transmission section 7 and a buzzer control circuit 10. Only when the preset pass number is dialed to the pass number setting section 11, the buzzer control circuit 10 is driven to raise a buzzer for a prescribed time. |
申请公布号 |
JPS6166449(A) |
申请公布日期 |
1986.04.05 |
申请号 |
JP19840189020 |
申请日期 |
1984.09.10 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
TANAKA HIDEO;ONISHI HIROSHI |
分类号 |
H04M1/00;H04M1/66;H04M1/663;H04M1/665;H04M1/673 |
主分类号 |
H04M1/00 |
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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