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
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