发明名称 |
WIRELINE INTERFACE FOR CELLULAR TELEPHONE |
摘要 |
A wireline interface (20) permitting a cellular telephone transceiver (12) to originate and receive calls using both cellular and wireline services. The invention permits a subscriber unit to operate as a standard cellular telephone when it is disconnected from a land-based telephone line, and as both a full-featured telephone and a full-featured cellular telephone when it is connected to a wireline. A duplexed audio switch permits the audio signals provided to and from a cellular-type handset to be connected either to the cellular transceiver or to the wireline interface adapter, under control of the user.
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申请公布号 |
CA2153240(A1) |
申请公布日期 |
1994.08.04 |
申请号 |
CA19942153240 |
申请日期 |
1994.01.18 |
申请人 |
NOVATEL COMMUNICATIONS LTD. |
发明人 |
TAM, AMBROSE WAH CHING |
分类号 |
H04M1/725;H04W4/16;H04W88/02;(IPC1-7):H04Q7/32;H04M1/00 |
主分类号 |
H04M1/725 |
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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