Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1997-12-11
2000-02-15
Le, Hoanganh
Communications: radio wave antennas
Antennas
With radio cabinet
343700MS, H01Q 124
Patent
active
060258055
ABSTRACT:
The present invention relates to radio communications antennas and in particular relates to an antenna for such. An inverted E antenna is disclosed comprising a radiating element and a ground plane. The antenna is suitable for placement in a mobile communications handset. The antenna finds particular applicability in dual mode handsets, where two or more antennas may be located in close proximity. The small dimensions of the antenna relative to the operating wavelength, achieved by folding back an element of the antenna provides a simple solution to such problems as antenna coupling since its small size allows it to be placed as far away as possible within the small confines of a radio communications handset. A method of operating a mobile communications arrangement is also disclosed, the arrangement comprising a microphone, an audio speaker, a transceiver, and an antenna; wherein the antenna is in the form of an inverted E.
REFERENCES:
patent: 4516127 (1985-05-01), Siwiak
patent: 5828346 (1998-10-01), Park
XP002016998 "Transmission-Line Missile Antennas" IRE Transactions on Antennas and Propagation Ronald King, C W Harrison, Jr, D H Denton, Jr.
Llewellyn Ian Paul
Smith Martin Stevens
Le Hoang-anh
Northern Telecom Limited
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