Antenna for wireless communications devices

Details Antenna for wireless communications devices Antenna for wireless communications devices

1998-03-23

1999-06-22

Le, Hoanganh

Communications: radio wave antennas

Antennas

With radio cabinet

343700MS, 343846, H01Q 124

Patent

active

059146907

ABSTRACT:
The invention relates to an internal antenna (1) for a wireless handportable communication device (2), comprising: an antenna plate (3) fuinctioning as an radiator, a feed element (5) to feed the radiator (3), and attachment elements (10, 12) to attach the antenna (1) to a wireless communications device (2), which comprises an electrically conductive earth plane (4). The attachment elements (10, 12) comprise a cover structure (12) for bracing the antenna plate (3) on the wireless communications device (2). The antenna (1) further comprises a support frame (10) or spacers (21) for keeping the antenna plate (3) at a distance from the earth plane (4).

REFERENCES:
patent: 4980694 (1990-12-01), Hines
patent: 4998078 (1991-03-01), Hulkko
patent: 5181044 (1993-01-01), Matsumoto et al.
patent: 5231407 (1993-07-01), McGirr et al.
patent: 5341149 (1994-08-01), Valimaa et al.
patent: 5561439 (1996-10-01), Moilanen
patent: 5627550 (1997-05-01), Sanad
patent: 5657028 (1997-08-01), Sanad
patent: 5680144 (1997-10-01), Sanad

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