Communications: radio wave antennas – Antennas – Plural separate diverse type
Patent
1996-03-04
1998-06-02
Le, Hoanganh T.
Communications: radio wave antennas
Antennas
Plural separate diverse type
343725, 343729, 343866, H01Q 2100
Patent
active
057607478
ABSTRACT:
An energy diversity antenna (100) includes a first antenna (103) and second antenna (113) positioned on a substrate (101). The first antenna is preferably a loop used for receiving radio frequency signals with H-field energy while the second antenna is preferably a monopole used for receiving radio frequency signals with E-field energy. The energy diversity antenna (100) is applicable for use in portable communications devices capable of diversity reception. It is particularly useful in geographic locations where reflections and multipath interference is a problem.
REFERENCES:
patent: 5255005 (1993-10-01), Terret et al.
patent: 5355144 (1994-10-01), Walton et al.
patent: 5463406 (1995-10-01), Vannatta et al.
patent: 5557293 (1996-09-01), McCoy et al.
patent: 5581264 (1996-12-01), Tabata et al.
Balzano Quirino
Garay Oscar M.
McCoy Danny O.
Tay Roger Y. S.
Le Hoanganh T.
Motorola Inc.
Scutch Frank M.
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