Directional Drone Jammer with Targeted Signal Disruption
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Solution Overview
Problem
Current drone jammers are ineffective in specifically targeting drones due to their omnidirectional nature, lack of portability, and inability to operate in harsh environments, often causing unintended interference with non-threatening devices, and are not ruggedized for field use.
Innovation Solution
A portable, directional jammer with a rifle-like form factor that uses multiple signal generators and amplifiers to produce disruptive signals across multiple frequency bands, directed via a single antenna, allowing for targeted disruption of drone control and navigation signals without affecting other devices, and is designed for ease of use and ruggedness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If omnidirectional jammers are used to jam drone signals, then the jamming coverage area is increased, but non-threatening devices are also affected
Solution Approach 1:
The patent applies local quality by making the jamming signal directional rather than omnidirectional. The antenna system is configured to radiate jamming energy in a specific direction toward the targeted drone, creating a localized jamming zone. This allows the jamming effect to be concentrated on the threat while leaving other areas and devices unaffected, resolving the contradiction between coverage area and selective interference.
Solution Approach 2:
The patent segments the jamming function by using multiple antennas that can be independently controlled. Each antenna can be directed at different angles and frequencies, allowing the system to divide the jamming coverage into multiple directional sectors. This segmentation enables selective jamming of specific drones while preserving operation of non-threatening devices in other directions.
2Area of stationary object
If large power jammers are used to increase effective radius, then the jamming range is extended, but portability and ruggedness are reduced
Solution Approach 1:
The patent merges multiple functions into a single integrated portable unit. The jammer combines signal generation, amplification, directional antenna control, and power management in one ruggedized package. This integration allows the system to achieve extended effective radius through efficient signal processing and directional gain rather than relying on brute force power, maintaining portability while extending range.
Solution Approach 2:
The patent employs dynamic antenna control that can adjust the beam direction and focus in real-time. The system dynamically tracks and follows the drone target, adjusting the jamming signal direction as the drone moves. This dynamic adaptation allows the portable unit to maintain effective jamming at extended ranges without requiring excessive power, as the energy is continuously focused on the moving target.
3Adaptability or versatility
If multiple frequency bands are jammed simultaneously, then comprehensive drone signal disruption is achieved, but device complexity increases
Solution Approach 1:
The patent implements universality by designing a single antenna system that can operate across multiple frequency bands. The antenna and associated signal generators are configured to produce jamming signals on various frequencies used by drones (such as 2.4 GHz, 5.8 GHz for video transmission, and other control frequencies). This multi-functional design allows comprehensive drone signal disruption without requiring separate dedicated antennas for each frequency band, thereby reducing overall device complexity.
4Object-affected harmful factors
If directional targeting is implemented to specific drones, then selective jamming is achieved, but training requirements for operation increase
Solution Approach 1:
The patent applies self-service by incorporating automatic target acquisition and tracking functionality. The system includes sensors and signal analysis capabilities that automatically detect drone presence, identify the target, and direct the jamming signal without requiring manual aiming or complex operator intervention. The directional antenna system self-adjusts to track the drone's position, making the selective targeting capability easy to operate with minimal training while maintaining the ability to specifically jam only the threatening drone.
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 portable jammer effectively disrupts drone control and navigation signals while minimizing impact on other devices, providing a simple and reliable solution for security personnel to target drones without substantial training, with an effective range and ruggedness suitable for field operations.
Implementation Method 1
produce disruptive signals across multiple frequency bands
Data Source
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AI summary
A portable countermeasure device is provided comprising one or more directional antennae, one or more disruption components and at least one activator. The portable countermeasure device further comprises a body, with the directional antennae are affixed to a front portion of the body. The one or more disruption components may be externally or internally mounted to the device body. The portable countermeasure device is aimed at a specific drone, the activator is engaged, and disruptive signals are directed toward the drone, disrupting the control, navigation, and other signals to and from the drone.