H - Electricity – 01 – P
Patent
H - Electricity
01
P
333/14
H01P 5/04 (2006.01) H01P 5/18 (2006.01)
Patent
CA 1258891
ABSTRACT A short slot waveguide hybrid coupler (15) is disclosed wherein the coupling factor is switchable over a predetermined range of discrete coupling factors. A coupling slot (26) formed in the common dividing wall (25) between the contiguous first and second waveguides (20, 30) of the coupler (15) allows coupling of electro- magnetic energy between the two waveguides in accordance with a first coupling factor. A plurality of conductive pins (27a, 27e) are arranged for selective insertion into the coupling slot (26) to effectively shorten the slot and thereby progressively reduce the coupling factor as more pins are inserted into the coupling slot.
535647
Hughes Aircraft Company
Sim & Mcburney
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