Directional patch antenna

Details Directional patch antenna Directional patch antenna

2006-11-07

2006-11-07

Vo, Tuyet (Department: 2821)

Communications: radio wave antennas

Antennas

Plural separate diverse type

C343S725000, C343S7000MS

Reexamination Certificate

active

07132988

ABSTRACT:
An antenna unit is disclosed. The antenna unit includes a wire antenna element and a patch antenna element. The wire antenna element creates a null at low-elevation angles to provide directional antenna patterns in azimuth planes. Nulls of the terrestrial signal pattern are directed toward the passenger compartment of a vehicle to create a larger spatial region for reception of terrestrial signals.

REFERENCES:
patent: 5166693 (1992-11-01), Nishikawa et al.
patent: 6320549 (2001-11-01), Nybeck et al.
patent: 6720935 (2004-04-01), Lamensdorf et al.
patent: 2003/0052825 (2003-03-01), Rao et al.

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