Phase shifting device with rotatable cylindrical case having dri

Details Phase shifting device with rotatable cylindrical case having dri Phase shifting device with rotatable cylindrical case having dri

1997-07-24

1999-03-02

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333 21A, 333161, 333117, 333256, 333261, H01P 118, H01P 1165, H01P 106

Patent

active

058776605

ABSTRACT:
Input is applied to a two-partition circuit that substantially equally distributes input power into two partitions having a phase difference of 90.degree., and the thus-distributed output is applied to a first driver that generates circularly polarized wave. The two outputs of the second driver, in which the circularly polarized waves generated from the first driver are coupled, are combined in a combining circuit. The end portion of the opening of the sealed case incorporating the first driver fits together with the end portion of the opening of the sealed case incorporating the second driver such that the two sealed cases together with the first and second drivers may rotate relative to each other around their cylindrical axis. The phase difference between the input of the two-partition circuit and the output of the combining circuit changes according to the relative angle of rotation around the cylindrical axis between first and second drivers.

REFERENCES:
patent: 2746018 (1956-05-01), Sichak
patent: 3668567 (1972-06-01), Rosen
patent: 3906407 (1975-09-01), Levaillant et al.
patent: 4520329 (1985-05-01), Cavalieri D'Oro et al.
patent: 4757281 (1988-07-01), Anne et al.
patent: 5010348 (1991-04-01), Rene et al.
patent: 5245353 (1993-09-01), Gould

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