Method and antenna for providing an omnidirectional pattern

Details Method and antenna for providing an omnidirectional pattern Method and antenna for providing an omnidirectional pattern

1997-10-24

1998-05-12

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Plural separate diverse type

343741, 343821, H01Q 2100

Patent

active

057512523

ABSTRACT:
The present invention provides a method (400) and antenna (100) for providing an omnidirectional pattern. The antenna (100) is smaller than prior art omnidirectional antennas with the same bandwidth. The smaller size is made possible by the use of at least one capacitive element (104) at a discontinuity in the loop (102). The pattern is balanced and therefore the omnidirectionality is maintained by the current maximum (110 and 112) that are created by the capacitive element (104).

REFERENCES:
patent: 1818639 (1931-12-01), Meissner
patent: 2953782 (1960-04-01), Byatt
patent: 3474452 (1969-10-01), Bogner
patent: 4183027 (1980-01-01), Ehrenspeck
patent: 4340891 (1982-07-01), Phillips
patent: 4801944 (1989-01-01), Madnick et al.
patent: 4809009 (1989-02-01), Grimes et al.
patent: 5038150 (1991-08-01), Bains
patent: 5198826 (1993-03-01), Ito
patent: 5300936 (1994-04-01), Izadian
patent: 5469180 (1995-11-01), Wiggenhorn

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