发明名称 |
Arrangement for permanent telephone call acceptance uses acceptance button bridging pulse period, duty cycle and voltage value selected so there is a permanent connection for call acceptance |
摘要 |
The arrangement has an acceptance button. The call is accepted by pressing the acceptance button. A rectangular pulse voltage is applied to the acceptance button, which bridges the button electrically during the period of the pulse. The pulse period, duty cycle and voltage value are selected so that there is a permanent connection for call acceptance.
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申请公布号 |
DE19847068(A1) |
申请公布日期 |
2000.04.13 |
申请号 |
DE1998147068 |
申请日期 |
1998.10.06 |
申请人 |
DEUTSCHE TELEKOM AG |
发明人 |
ENDISCH, KARLHEINZ |
分类号 |
H04M3/50;(IPC1-7):H04M3/50 |
主分类号 |
H04M3/50 |
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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