发明名称 |
Telephone being signal responsive for extending and retracting an antenna |
摘要 |
A telephone apparatus for a vehicle comprising a main antenna and a sub-antenna. The sub-antenna is operated to receive incoming electric waves including an incoming call signal. When the sub-antenna receives the incoming call signal or when an outgoing call signal is outputted, the main antenna is extended and an transmitter-receiver of the telephone apparatus is turned on. When the conversation by the telephone apparatus is finished, the main antenna in an extended condition is contracted and received in the vehicle, and the transmitter-receiver is turned off.
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申请公布号 |
US5212725(A) |
申请公布日期 |
1993.05.18 |
申请号 |
US19910735019 |
申请日期 |
1991.07.25 |
申请人 |
NISSAN MOTOR CO., LTD. |
发明人 |
YAMAMOTO, YASUHIKO;TOJO, SEIICHI |
分类号 |
H01Q1/27;H01Q3/24;H04B1/38;H04Q7/32;H04Q7/38 |
主分类号 |
H01Q1/27 |
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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