Device for fastening an excitation element in a metal waveguide

Details Device for fastening an excitation element in a metal waveguide Device for fastening an excitation element in a metal waveguide

1998-06-03

2000-07-11

Ho, Tan

Communications: radio wave antennas

Antennas

Wave guide type

343785, 343786, 333 21A, H01Q 1300

Patent

active

060880015

ABSTRACT:
A device is provided for fastening an excitation element (2) in a metal waveguide (3) of an antenna (1) and for electrically connecting the same to a coaxial line (4) arranged outside the waveguide (3), and which is cost effective and in which low power losses occur. The device comprises a basic member (6), which seals an opening in the waveguide (3), has a bore (6.1), and a metal hollow cylinder (9), through which an inner conductor of the coaxial line (9) is guided, which hollow cylinder has a first section (9.1) plugged into the first bore (6.1), and which has a second section (9.2), over which an end region (10) of an outer conductor of the coaxial line (4) is pushed. A first end (2.1) of the excitation element (2) is fastened on one end (12) of the inner conductor.

REFERENCES:
patent: 3128467 (1964-04-01), Lanctot
patent: 4011566 (1977-03-01), Honda
patent: 4197546 (1980-04-01), Cachier et al.
patent: 5066958 (1991-11-01), Blachley
patent: 5880698 (1999-03-01), Burger
European Patent Office, Patent Abstracts of Japan, Japanese Publication 02 261 203 entitled "Microwave Receiver" which has Publication Date of Oct. 24, 1990.
Deshpande, M.D. and Das, B.N., Analysis of an End Launcher for a Circular Cylindrical Waveguide, IEEE Transactions on Microwave Theory and Techniques, vol. MIT-26, No. 9, Sep., 1978, pp. 672-675.
Ragan, George L., Microwave Transmission Circuits, Massachusetts Institute of Technology Radiation Laboratory Series, 1948, pp. 314-361.

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