发明名称 |
Rod antenna for use in a portable transmitting / receiving apparatus |
摘要 |
The present invention provides a rod antenna for use in a portable transmitting/receiving apparatus. The rod antenna is housed in a case of the portable transmitting/receiving apparatus so as to be freely inserted thereinto and drawn therefrom and is electrically connected to a feeder section provided in the case. The rod antenna includes an antenna element having a column formed of insulating material and a conductive film formed on an outer surface of the column along a longitudinal direction of the column so as to have a predetermined length corresponding to transmitted/received waves.
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申请公布号 |
US5995051(A) |
申请公布日期 |
1999.11.30 |
申请号 |
US19970986261 |
申请日期 |
1997.12.05 |
申请人 |
HARADA INDUSTRY CO., LTD |
发明人 |
SUN, CHONG HONG |
分类号 |
H01Q1/38;H01Q1/24;H01Q9/30;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q1/38 |
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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