Pivoting joint for ultra-high frequency waveguides

Details Pivoting joint for ultra-high frequency waveguides Pivoting joint for ultra-high frequency waveguides

1985-06-14

1986-11-25

LaRoche, Eugene R.

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333261, 343DIG2, H01P 106

Patent

active

046251880

ABSTRACT:
A pivoting joint connects two rectangular waveguides, connecting transmission-reception equipment on board a satellite to an antenna, which is only opened out when the satellite has been placed in orbit. These waveguides comprise a fixed section and a moving section, pivoting about the longitudinal axis common to the two sections. They issue or open out in facing manner on two parallel planar faces separated by a non-zero distance, but which is very small compared with the wavelength. One of these faces has a quarter-wave trap ensuring the radio seal of the joint. An abutment defines the position in which the two guides are in an extension of one another. When the satellite reaches orbit, antenna is opened out and the joint pivots to this position.

REFERENCES:
patent: 2521818 (1950-09-01), Aron et al.
patent: 2708263 (1955-05-01), Walters
patent: 2768358 (1956-10-01), Moseley et al.
patent: 2837723 (1958-06-01), Krantz et al.
patent: 2969513 (1961-01-01), Brennalt
patent: 3155923 (1964-11-01), Persson
patent: 3412404 (1968-11-01), Bergling

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