发明授权
US5604794A Switch system for directing call from a calling to a receiving instrument
失效
用于将呼叫定向到接收仪器的切换系统
- 专利标题: Switch system for directing call from a calling to a receiving instrument
- 专利标题(中): 用于将呼叫定向到接收仪器的切换系统
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申请号: US407809申请日: 1995-03-20
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公开(公告)号: US5604794A公开(公告)日: 1997-02-18
- 发明人: David A. Vogel , Danny C. Vogel , Diane P. Cherry
- 申请人: David A. Vogel , Danny C. Vogel , Diane P. Cherry
- 申请人地址: MA Dedham
- 专利权人: Intertech Engineering Associates, Inc.
- 当前专利权人: Intertech Engineering Associates, Inc.
- 当前专利权人地址: MA Dedham
- 主分类号: H04M1/723
- IPC分类号: H04M1/723 ; H04M11/00 ; H04M11/06
摘要:
A switch system for directing a call from a calling instrument to a receiving instrument. The switch system comprises a call originator unit that is electrically connected between the calling instrument and an outgoing telephone line. The switch system also includes a call receiver unit that is electrically connected between an incoming telephone line and the receiving instrument. The incoming telephone line is electrically connected to the outgoing telephone line.
公开/授权文献
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