发明名称 |
Remotely-activated telephone system for communication with the disabled |
摘要 |
A remotely-activated telephone system for remote caller controlled communication with the disabled having a master unit connected to a telephone line and at least one satellite unit. The disclosed system provides channel means for bi-directional coupling of acoustic signals between the satellite unit and the telephone line through the master unit and control means responsive to a control signal received from a remote caller by way of the telephone line. The disclosed control means allow a remote caller to select a satellite unit and to establish two-way speech communications without intervention by the disabled party.
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申请公布号 |
US5237602(A) |
申请公布日期 |
1993.08.17 |
申请号 |
US19920857721 |
申请日期 |
1992.03.25 |
申请人 |
LAZIK, GEORGE L. |
发明人 |
LAZIK, GEORGE L. |
分类号 |
H04M1/247;H04M1/725;H04M11/02 |
主分类号 |
H04M1/247 |
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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