Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2004-12-27
2010-02-09
Mancuso, Huedung (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
Reexamination Certificate
active
07659860
ABSTRACT:
The present invention relates to an antenna arrangement comprising a dielectric medium (2) with a first side (3) and a second side (4), with a feeding arrangement (6; 6′) on the first side and at least one slot (5; 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73) in a ground plane on the second side, where the feeding arrangement comprises at least a first (13; 13′; 37; 37′), a second (14; 14′; 38; 38′), a third (15; 15′; 41; 41′) and a fourth (16; 16′, 42; 42′) feeding conductor, each intersecting the gap of the slot (5; 62, 63, 64, 65; 66, 67, 68, 69, 70, 71, 72, 73), where each intersection constitute a feeding point (17, 18, 19, 20; 39, 40, 43, 44, 50, 51, 52, 53) for the antenna arrangement (1; 1′; 1″; 1′″). In a first mode of operation, a first constant E-field (26) that is directed across the slot is obtained. In a second mode of operation, a second E-field (28) which is directed across the slot, having a sinusoidal variation is obtained. In a third mode of operation, a third E-field (30) which is directed across the slot, having a sinusoidal variation, is obtained.
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Harrysson Fredrik
Manholm Lars
Mancuso Huedung
Telefonaktiebolaget L M Ericsson (Publ)
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