发明名称 |
Non-protruding dual-band antenna for communications device |
摘要 |
Dual-band antennas include first and second radiating elements configured to be enclosed within a radiotelephone between a keypad and a top housing and to occupy available space existing around the perimeter of the keypad and/or between the keys of a keypad. First and second coplanar radiating elements are maintained in adjacent spaced-apart relationship with a circuit board underlying the keypad. The underlying circuit board serves as a ground plane for directing radiation from the antenna outwardly in a direction normal to the circuit board.
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申请公布号 |
US6016126(A) |
申请公布日期 |
2000.01.18 |
申请号 |
US19980087598 |
申请日期 |
1998.05.29 |
申请人 |
ERICSSON INC. |
发明人 |
HOLSHOUSER, HOWARD E. |
分类号 |
H01Q1/24;H01Q5/00;H04B1/38;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q1/24 |
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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