Auxiliary Conductor Length Tuning for Antenna Impedance Detuning
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Solution Overview
Problem
The integration of auxiliary electronic elements with wireless communication devices can lead to parasitic effects and impedance detuning due to conductors being brought into proximity with antennas, affecting wireless communication performance.
Innovation Solution
The auxiliary electronic element includes conductors extending from its internal circuitry, with lengths adjusted to match a quarter wavelength of affected frequencies, and ground connections made via selective signal frequency shorting circuits to minimize interference with antennas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conductors are extended through the area proximate to antennas to connect auxiliary electronic elements, then data sharing and communication between elements is enabled, but parasitic effects and impedance detuning occur that degrade antenna performance
Solution Approach 1:
The patent applies parameter changes by adjusting the conductor length to specific values (e.g., less than one-tenth of the shortest wavelength, or between one-twentieth to one-fifth of the shortest wavelength) and modifying the conductor geometry (routing away from antenna centers, using smaller cross-sections) to minimize parasitic effects while maintaining connectivity functionality
2Reliability
If conductor length is increased to maintain connectivity, then signal transmission between auxiliary element and device is ensured, but parasitic effects and energy dissipation increase
Solution Approach 1:
The patent optimizes conductor length parameters to specific ranges (less than one-tenth of the shortest wavelength, or between one-twentieth to one-fifth of the shortest wavelength) to balance signal transmission reliability with minimization of parasitic effects and energy dissipation
3Volume of moving object
If conductors are routed close to antennas for compact design, then device size is reduced, but impedance detuning and parasitic effects worsen
Solution Approach 1:
The patent applies local quality by routing conductors through specific regions away from antenna centers and high-field areas, using different conductor paths for different frequency bands, and implementing frequency-selective structures that have different characteristics in different spatial locations to minimize interference while maintaining compact design
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 configuration reduces parasitic effects and impedance detuning, ensuring optimal wireless communication performance by managing the geometry and frequency interaction between conductors and antennas.
Implementation Method 1
The predetermined adjusted length of the set of one or more conductors is selected so as to match a one quarter length of a longest wavelength of one or more frequencies of the wireless communication connection
Implementation Method 2
the conductor being brought into proximity of the one or more antennas can cause an impedance detune and/or an undesired or alternative path for energy dissipation of a wireless signal
Data Source
AI summary
The present application is directed to managing the length of a set of one or more conductors in an auxiliary electronic element, which is coupled to a wireless communication device. The auxiliary electronic element includes the set of one or more conductors coupled to and extending away from main internal electronic circuitry of the auxiliary electronic element, the main internal electronic circuitry supporting and controlling at least some of the operation of the auxiliary electronic element. The set of one or more conductors extends through an area proximate to at least one of one or more antennas of the wireless communication device a predetermined adjusted length away from the main internal electronic circuitry, in which the at least one of one or more antennas of the wireless communication device supports a wireless communication connection with another wireless communication device. The predetermined adjusted length of the set of one or more conductors is selected so as to match a one quarter length of a longest wavelength of one or more frequencies of the wireless communication connection associated with the at least one of the one or more antennas, which are affected by the set of one or more conductors of the auxiliary electronic element extending through the area proximate thereto.