Overlapping Ridged Waveguide Coupling for Compact RF Connections
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Solution Overview
Problem
Existing waveguide connection techniques require additional space for connecting elements, which is a challenge in miniaturization, especially in large-scale satellite communication systems.
Innovation Solution
A waveguide arrangement where a first ridged waveguide overlaps a second waveguide in a connecting section, creating a capacitive coupling between the ridges without the need for a separate connecting element, thereby reducing space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional waveguide connection techniques using separate connecting elements are used, then reliable signal transmission is achieved, but space requirements increase
Solution Approach 1:
The patent merges the function of separate connecting elements into the waveguide structure itself by creating direct capacitive coupling between overlapping waveguide sections. The connecting function is integrated into the waveguide bodies through complementary stepped configurations that abut together, eliminating the need for external connectors while maintaining reliable RF signal transmission through capacitive coupling between the overlapping ridges and cavities.
Solution Approach 2:
The patent transitions from traditional lateral or end-to-end waveguide connections to an overlapping configuration in the longitudinal direction. By stacking waveguide sections vertically/longitudinally with complementary steps that abut, the connection is achieved in a different spatial dimension, reducing the horizontal footprint and overall space requirement while maintaining electrical continuity through capacitive coupling.
2Volume of moving object
If waveguide miniaturization is pursued for satellite constellations, then space efficiency improves, but connection complexity increases
Solution Approach 1:
The patent segments the waveguide into modular sections with standardized complementary stepped configurations. Each waveguide section can be independently manufactured and then connected through simple abutting of the stepped interfaces, reducing overall complexity by breaking down the connection problem into repeatable, standardized segments rather than requiring complex custom connections for each miniaturized waveguide.
Solution Approach 2:
The complementary stepped configurations are designed to self-align and self-secure when the waveguide sections are assembled. The steps engage with each other automatically, providing mechanical alignment and retention without requiring additional fastening elements or complex alignment procedures, thus reducing connection complexity while enabling miniaturization.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design allows for efficient transmission of radio-frequency signals between waveguides while minimizing space, making it suitable for compact electronic assemblies in satellite communication systems.
Implementation Method 1
The first ridged waveguide overlaps the second waveguide in the longitudinal direction of the waveguide arrangement in a connecting section to produce a capacitive coupling between the first ridge and the second waveguide
Data Source
AI summary
A waveguide arrangement contains a first ridged waveguide and a second waveguide. The first ridged waveguide contains a first casing with a first cavity and a first ridge extending in the first cavity in the longitudinal direction. The first ridge is conductively connected to a wall of the first casing. The second waveguide contains a second casing with a second cavity. The first ridged waveguide overlaps the second waveguide in the longitudinal direction of the waveguide arrangement in a connecting section to produce a capacitive coupling between the first ridge and the second waveguide.