Waveguide horn antenna array and radar device

Details Waveguide horn antenna array and radar device Waveguide horn antenna array and radar device

2005-11-22

2008-09-09

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S786000

Reexamination Certificate

active

07423604

ABSTRACT:
A conductor member contains a linear feed waveguide extending in a fixed direction and a plurality of horn antennas coupled to the feed waveguide and set at an interval of about one half of a wavelength in the extending direction of the feed waveguide. The horn antennas are formed by horns and coupling waveguides, and the coupling waveguides are set so as to partially enter the feed waveguide. When the size of the spatial coupling portion formed by the entrance is changed, the degree of coupling between the feed waveguide and each of the coupling waveguides changes.

REFERENCES:
patent: 4755821 (1988-07-01), Itoh et al.
patent: 5323169 (1994-06-01), Koslover
patent: 6476772 (2002-11-01), Smith et al.
patent: 6606073 (2003-08-01), Visser
patent: 10-32423 (1998-02-01), None
patent: 2000-9822 (2000-01-01), None
patent: 2004-207856 (2004-07-01), None

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