发明名称 |
MULTI-BAND HAC COMPATIBLE ANTENNA MODULE |
摘要 |
A multi-band HAC compatible antenna module having a metal shield arranged around the built-in antenna for resonant coupling with the antenna to lower electromagnetic interference and to improves hearing aids compatibility characteristic. When compared with a reference antenna without metal shield, the multi-band HAC compatible antenna module shows 3 dB˜4 dB HAC improvement in GSM850 and GSM900, and 1 dB HAC improvement in DCS and PCS bands.
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申请公布号 |
US2010164808(A1) |
申请公布日期 |
2010.07.01 |
申请号 |
US20080344718 |
申请日期 |
2008.12.29 |
申请人 |
CHANG DANIEL;TANG CHIA-LUN;ZHAO YAN-WEN;SHEN JIANLIANG |
发明人 |
CHANG DANIEL;TANG CHIA-LUN;ZHAO YAN-WEN;SHEN JIANLIANG |
分类号 |
H01Q9/04 |
主分类号 |
H01Q9/04 |
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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