Plasma Arc Radiating Circuit for Compact Low-Frequency Transmission
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Solution Overview
Problem
Conventional antennas require large physical dimensions to transmit low frequency signals, which is problematic for applications where space, weight, or aerodynamics are constrained.
Innovation Solution
The electromagnetic transmitter generates low frequency electromagnetic emissions using a plasma arc or channel that rotates within a plasma medium, creating a uniform magnetic field and a non-uniform magnetic field to induce an electric field, allowing for low frequency radiation without the need for large physical dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional antennas are used to transmit low frequency signals, then the transmission distance is improved, but the physical dimensions of the antenna must be increased
Solution Approach 1:
The patent replaces the mechanical resonance-based antenna system with a plasma arc system that uses electromagnetic fields to generate radiation. Instead of relying on physical antenna dimensions to resonate at low frequencies, the invention uses a plasma arc rotating in a magnetic field to generate low frequency electromagnetic radiation, substituting mechanical resonance with a field-based mechanism.
Solution Approach 2:
The invention changes the fundamental operating parameters by using a plasma medium instead of a solid conductor, and by controlling the rotation of the plasma arc through magnetic field manipulation rather than mechanical means. This allows the system to operate at low frequencies without requiring proportionally large physical dimensions.
2Reliability
If large antenna dimensions are used to transmit low frequency signals, then the cut-off frequency is reduced, but the weight and volume are increased
Solution Approach 1:
The patent replaces the heavy mechanical antenna structure with a plasma arc system contained within a much smaller housing. The plasma arc, being a ionized gas, has negligible mass compared to a conventional antenna of equivalent low frequency capability. The magnetic field generation uses electromagnetic coils rather than large physical structures.
Solution Approach 2:
The invention transitions from a three-dimensional physical antenna structure to a plasma arc that exists and rotates within a magnetic field space. The plasma arc can be confined to a small volume while still generating low frequency radiation through its rotational motion in the magnetic field, effectively using the time dimension (rotation) to compensate for reduced spatial dimensions.
3Productivity
If conventional antenna designs are used, then the radiation efficiency is maintained, but the device complexity increases due to mechanical components
Solution Approach 1:
The patent eliminates all mechanical moving parts by using a plasma arc that is rotated electromagnetically within a magnetic field. The plasma arc itself serves as the radiating element, and its rotation is controlled by electromagnetic forces rather than mechanical motors or actuators, significantly reducing device complexity while maintaining radiation efficiency.
Solution Approach 2:
The plasma arc system is self-rotating through the interaction of the plasma current with the magnetic field (Lorentz force). The system uses its own operational parameters (plasma current and magnetic field) to generate the rotational motion needed for radiation, eliminating the need for external mechanical drive mechanisms.
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 approach enables the generation of low frequency electromagnetic radiation without the size constraints of conventional antennas, facilitating efficient transmission in mobile or space-constrained environments.
Implementation Method 1
The plasma arc rotates in a uniform magnetic field to generate a plasma arc magnetic field
Implementation Method 2
a plasma arc generator or a plasma channel generator configured to apply a direct current voltage to a conductor within a plasma medium
Implementation Method 3
a magnetic flux generator configured to generate a magnetic flux in the uniform magnetic field, thereby generating a non-uniform magnetic field
Data Source
AI summary
Embodiments relate to an electromagnetic transmitter. The transmitter includes a magnetic field generator configured to generate a uniform magnetic field in a plasma medium. The transmitter includes a plasma are generator or a plasma channel generator configured to apply a direct current voltage to a conductor within a plasma medium, wherein the plasma arc or the plasma channel rotates to generate a plasma are/channel magnetic field. The transmitter includes a magnetic flux generator configured to generate a magnetic flux in the uniform magnetic field, thereby generating a non-uniform magnetic field, wherein the non-uniform magnetic field prevents or reduces a likelihood of spiraling of the plasma arc or the plasma channel. The electromagnetic transmitter emits electromagnetic radiation in a form of the plasma arc/channel magnetic field and the complementary electric field.