Waveguide Connector Choke Structure for Millimeter-Wave Leakage
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Solution Overview
Problem
In communication systems where two devices are in close contact, radio wave leakage leads to deterioration of transmission characteristics, causing interference and signal loss.
Innovation Solution
A connector device and communication system utilizing waveguide tubes with metallic tubes and dielectric substances, where the coupling portions have choke structures and insulation layers to minimize radio wave leakage by positioning open ends in close contact, effectively suppressing signal loss and enhancing transmission characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio communication using a slot antenna is performed, then communication between devices can be established, but transmission characteristics are deteriorated because radio waves are easily leaked to the outside of the housings
Solution Approach 1:
The patent converts the harmful effect of radio wave leakage into a beneficial containment effect by using the housing structure itself as a waveguide. The slot antenna is positioned to utilize the housing walls as reflective surfaces, transforming what would be leaked radio waves into confined electromagnetic modes that travel along the housing interface, thereby improving transmission characteristics while preventing external leakage.
Solution Approach 2:
The patent introduces the housing structure as an intermediary between the slot antenna and the external environment. By positioning the slot antenna to couple with the housing walls, the housing acts as a mediator that guides the radio waves along the interface between devices, preventing direct leakage to the outside while maintaining communication functionality.
2Reliability
If the housings are made to contact each other or be placed close to each other for communication, then transmission characteristics can be improved, but radio wave leakage to the outside occurs
Solution Approach 1:
The patent transitions the radio wave propagation from traditional three-dimensional space to a two-dimensional interface along the housing contact surface. By configuring the slot antenna to excite modes that propagate along the housing interface rather than radiating in all directions, the system confines electromagnetic energy to a planar path, improving transmission characteristics while preventing leakage to the external environment.
3Object-generated harmful factors
If a radio wave absorber is disposed around a housing to prevent leakage of radio waves, then radio wave leakage can be suppressed, but device complexity and size are increased
Solution Approach 1:
The patent extracts the radio wave containment function from separate absorber materials and integrates it directly into the housing structure itself. By designing the housing walls and slot antenna configuration to inherently guide and confine radio waves, the system eliminates the need for additional radio wave absorber components, thereby suppressing leakage while maintaining simple device structure.
Solution Approach 2:
The patent makes the housing structure multi-functional by combining structural support, radiation shielding, and waveguide functions into a single component. The housing walls serve both as the physical enclosure and as the electromagnetic boundary that confines radio waves, eliminating the need for separate radio wave absorber components and reducing overall device complexity.
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
The solution effectively reduces radio wave leakage, thereby improving transmission characteristics and enabling high-speed, interference-resistant communication with broader bandwidth, particularly suitable for millimeter-waveband signals.
Implementation Method 1
the coupling portion of the waveguide tube includes a metallic tube and a dielectric substance provided inside at least a part of the metallic tube
Implementation Method 2
adapted to transmit a high-frequency signal while an open end is arranged in a state contacting or placed close to another waveguide tube
Data Source
AI summary
A connector device of the present disclosure includes a waveguide tube having a coupling portion at a distal end portion and adapted to transmit a high-frequency signal while an open end is arranged in a state contacting or placed close to another waveguide tube having a coupling portion at a distal end portion. Additionally, the coupling portion of the waveguide tube has a metallic tube and a dielectric substance provided inside at least a part of the metallic tube. Furthermore, a communication device of the present disclosure includes the waveguide tube having, at the distal end portion, the coupling portion configured as described above, and the communication device is coupled to another communication device including a waveguide tube and transmits a high-frequency signal thereto in a state where open ends of both of the waveguide tubes contact each other or are located close to each other.