发明名称 |
Radio transceiver including an antenna switching circuit |
摘要 |
A radio transceiver, improved in that an antenna switching circuit is so connected between an antenna and the transmitting and receiving sections of the transceiver that a filter for removing spurious emission components from a transmitted wave is connected only to the transmitting section of the transceiver, whereby insertion loss of a received wave is avoided.
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申请公布号 |
US4677688(A) |
申请公布日期 |
1987.06.30 |
申请号 |
US19850694884 |
申请日期 |
1985.01.25 |
申请人 |
NEC CORPORATION |
发明人 |
YOSHIHARA, SHIGEO;MIYASHITA, HIDEO |
分类号 |
H04B1/18;H04B1/44;H04B1/48;(IPC1-7):H04B1/46 |
主分类号 |
H04B1/18 |
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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