Non-linear Antenna with Conductive Mesh for Multi-Signal Handling
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Solution Overview
Problem
Built-in antennas in handheld devices are not designed to accommodate a variety of data signals, limiting their functionality in transmitting and receiving different types of signals such as voice, binary, and video signals effectively.
Innovation Solution
A portable non-linear antenna device with a common geometry design that includes an electrically conductive ground and signal portion, an insulating portion, and a conductive mesh portion, allowing for beam steering and beam forming, and exploiting nonlinear dynamics to enhance bandwidth and reduce size and mass, while providing a shielding volume for signal protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a built-in antenna is designed for a specific signal type, then it performs well for that signal type, but it cannot accommodate a variety of different types of signals
Solution Approach 1:
The patent applies universality by designing a single antenna structure that can handle multiple signal types (voice, binary, video signals) across different frequencies. The antenna achieves this through a non-linear geometry design with specific curvature ratios that enable it to operate across a broad frequency range, eliminating the need for multiple specialized antennas while maintaining adaptability to various signal types
2Adaptability or versatility
If the frequency range of an antenna is expanded, then it can handle more signal types, but the size and mass of the antenna increases
Solution Approach 1:
The patent applies parameter changes by utilizing non-linear geometric parameters, specifically curvature ratios, to achieve broad frequency operation in a compact form. The antenna's ability to handle multiple frequencies stems from its non-linear geometry where the ratio of curvatures between different portions of the antenna structure enables wideband operation without proportionally increasing size or mass
Solution Approach 2:
The patent transitions from traditional linear antenna geometry to a non-linear three-dimensional structure with specific curvature relationships. This dimensional change allows the antenna to achieve broad frequency coverage and multiple signal type compatibility while maintaining a compact form factor, as the non-linear geometry exploits spatial relationships in multiple dimensions rather than simply extending linear dimensions
3Adaptability or versatility
If the frequency range of an antenna is expanded, then it can handle more signal types, but the antenna size increases
Solution Approach 1:
The patent applies parameter changes by utilizing non-linear geometric parameters, specifically curvature ratios, to achieve broad frequency operation in a compact form. The antenna's ability to handle multiple frequencies stems from its non-linear geometry where the ratio of curvatures between different portions of the antenna structure enables wideband operation without proportionally increasing size or mass
Data Source
AI summary
A portable common geometry non-linear antenna apparatus including a partially transparent housing defining a cavity, and a generally hemispherical antenna disposed within the cavity. The generally hemispherical antenna further includes an electrically conductive ground portion, an electrically conductive signal portion, an electrically insulating portion disposed between the electrically conductive ground and signal portions, and an electrically conducting mesh portion connected in electric communication with the signal portion. A first contact operationally connected to the ground portion and a second contact operationally connected to the signal portion. The electrically conductive mesh portion typically extends or bulges away from the electrically insulating portion to define a Faraday cage.