Communications: radio wave antennas – Antennas – Microstrip
Patent
1996-09-26
1998-08-18
Le, Hoanganh T.
Communications: radio wave antennas
Antennas
Microstrip
343846, 343848, H01Q 138, H01Q 148
Patent
active
057963673
ABSTRACT:
Device for antenna units (1) consisting of one or more radiation elements (4) for transmission and reception, respectively, of electromagnetic signals. The antenna unit (1) presents two ground planes arranged at different, predetermined ground plane distances.
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patent: 2998605 (1961-08-01), Orlando
patent: 4635065 (1987-01-01), Mori et al.
patent: 5132698 (1992-07-01), Swineford
patent: 5448249 (1995-09-01), Kushihi et al.
patent: 5589842 (1996-12-01), Wang et al.
Le Hoanganh T.
Telefonaktiebolaget LM Ericsson
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