Patent ID: 7106153

Claim:
A waveguide interconnection apparatus, comprising: a first housing having a first waveguide therein; a second housing having a second waveguide connected to the first waveguide; and a third housing having a third waveguide connected to the second waveguide, wherein a signal propagated from the first waveguide through the second waveguide to the third waveguide is reflected to have a predetermined angle when it passes an interconnecting portion of each waveguide, and both inner connecting portions and outer connecting portions between the first waveguide and the second waveguide, and between the second waveguide and the third waveguide is curved wherein the second waveguide separately consists of a first portion connected to the first waveguide, a second portion connected to the first portion, and a third portion connected to the second portion and the third waveguide; and wherein the first portion, the second portion and the third portion are made to be curved, linear, and curved, respectively.