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US 10,566,693 B2Granted
Three-dimension butler matrix
AssigneeIndustrial Technology Research Institute
InventorsZuo-Min Tsai, Cheng-Hung Hsieh
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Abstract
The disclosure provides a Butler Matrix. The Butler Matrix includes: a plurality of couplers having a circuit of a cuboid structure, a plurality of crossover lines, a plurality of three-dimensional crossover lines having a three-dimensional structure, and a plurality of phase shifters. The phase shifters, the crossover lines, and the three-dimension crossover lines are been coupled between one of the couplers and the other of the couplers.
Claims17
A Butler Matrix, comprising:
- a plurality of couplers, wherein each of the couplers has a circuit of a cuboid structure;
- a plurality of crossover lines;
- a plurality of three-dimensional crossover lines, wherein each of the three-dimensional crossover lines has a three-dimensional structure;
- and
- a plurality of phase shifters, wherein the crossover lines, the three-dimensional crossover lines, and the phase shifters are coupled between one of the couplers and another one of the couplers.
2 more elements
Dependencies are inferred from the claim text.