Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1986-10-30
1988-08-02
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333108, 200153S, H01P 110
Patent
active
047616229
ABSTRACT:
Waveguide switching apparatus includes a stator and a rotor arranged to rotate relative to it. The rotor includes passages therethrough arranged to make connections between channels in the stator depending on the relative position of the rotor and stator. One passage is defined partly by the rotor and partly by the stator. This reduces the inertia of the rotor compared with a conventional switch in which all passages are entirely contained within the rotor, and thus improves switching accuracy. A passage in the rotor may have a dimension, in a plane transverse to the axis of rotation, which varies along its length, being smallest at its mid-length. Curved passages in the rotor may be arranged such that tangents to their center lines at their ports are non-radial. This enables the diameter of the rotor to be smaller than would otherwise be required. In another aspect of the invention, an asymmetric circumferential slot arrangment is included in the rotor.
REFERENCES:
patent: 2912694 (1959-11-01), Phillips, Jr.
patent: 3155923 (1964-11-01), Persson
patent: 3243733 (1966-03-01), Hosman
patent: 4201963 (1980-05-01), Welti
Long, A High-Speed K-Band Switch, Proc. of the I.R.E., Dec. 1951, pp. 1566, 1567.
Kiely, A New Type of Waveguide Rotary Switch, Jrnl. of the British Institution of Radio Engineers, Feb. 1953, pp. 100-103.
Cracknell David J.
Smith Raymond P.
Gensler Paul
The General Electric Company p.l.c.
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