H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
333/15, 333/23
H01Q 3/40 (2006.01) H01P 3/06 (2006.01) H01P 5/12 (2006.01) H01P 5/16 (2006.01)
Patent
CA 1294337
COAXIAL TRANSMISSION-LINE MATRIX INCLUDING IN-PLANE CROSSOVER ABSTRACT OF THE DISCLOSURE An assembly (108) of coaxial transmission lines (22) and coupling devices (28, 30) formed of closely spaced center conductors (32) of the coaxial lines, is formed within a planar configuration. The coupling devices are arranged either singly, or in pairs with one coupling device behind the other coupling device, to provide for a division of power between transmission lines and to provide for a crossing over of power from one transmission line to another transmission line. The transmission-line assembly is reciprocal in operation so that the singly arranged coupling devices may be employed for a distribution as well as for a combination of electromagnetic waves. Phase shifters (122) may also be included to provide a desired phase relationship among waves outputted by various ones of the transmission lines. The transmission lines, the coupling devices and the phase shifters may all be fabricated in a parallel array within a common metallic plate (24) by automated milling machines for facile, accurate, and reproducible manufacture of the transmission-line assembly. The assembly including the matrix of coaxial lines for electromagnetic waves is readily structured to serve as a Butler matrix.
578153
Hughes Aircraft Company
Sim & Mcburney
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