发明名称 |
Radio transmitter/radio receiver unit comprising a tuneable antenna |
摘要 |
A radio transmitter and receiver is provided having an electrically acting antenna body in whose near region a dielectric body is arranged, with the dielectric constant of the dielectric body being varied by at least one control signal to ensure an optimum value for at least one physical variable representing a function of the transmission/reception quality of the radio transmitter and receiver.
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申请公布号 |
US6781562(B1) |
申请公布日期 |
2004.08.24 |
申请号 |
US20020149231 |
申请日期 |
2002.06.06 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
LUNGWITZ MATTHIAS |
分类号 |
H01Q3/44;H01Q5/00;H01Q9/04;H01Q9/30;H01Q9/32;(IPC1-7):A01Q1/38 |
主分类号 |
H01Q3/44 |
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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