Through-Wall Motion Sensor Module With Stand-Alone Visual Indication
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Solution Overview
Problem
Existing motion sensor devices require operator attention or network communication, are bulky, expensive, and impractical for rapid tactical operations, posing safety risks and delays in communication.
Innovation Solution
A compact, stand-alone motion sensor apparatus with a through-the-wall sensor and indicator, powered by a battery, that detects motion without network connections, allowing operators to view motion indicators from a safe distance without diverting attention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If motion sensor devices require operator attention or network communication, then motion detection capability is provided, but operator distraction and communication delay occur
Solution Approach 1:
The system divides the motion detection function into distributed sensor nodes attached to walls, each with local indicators, eliminating the need for a central monitored display. Multiple operators can independently observe indicators at different locations without concentrating attention at one point.
Solution Approach 2:
Visual indicators on the wall surface serve as intermediaries between the motion sensors and operators. These indicators provide immediate visual feedback about motion detection status, allowing operators to monitor security situations without direct interaction with electronic displays or communication equipment.
2Ease of operation
If motion sensor devices are made compact for portability, then ease of deployment is improved, but device complexity increases
Solution Approach 1:
The motion detection electronics and power source are extracted from a centralized unit and distributed into separate compact sensor modules that can be independently attached to walls. This extraction enables portability while reducing the complexity of any single unit.
Solution Approach 2:
Each compact sensor module is designed as a universal unit that can be attached to various wall surfaces and positions. The modules perform multiple functions (motion detection, local indication, and can be configured in different orientations) within a single compact package, eliminating the need for complex centralized systems.
3Ease of operation
If operators stand next to the sensor to view the display, then motion information is visible, but operator safety decreases
Solution Approach 1:
The system transitions from a single-point viewing position (next to the sensor) to distributed viewing positions throughout the operational area. Operators can observe motion indicators from multiple locations and angles, eliminating the need to stand immediately next to the sensor while maintaining full situational awareness.
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
Enables simultaneous, safe, and rapid detection of motion on the other side of a wall, reducing operator distraction and enabling multiple operators to view motion indicators instantly, enhancing tactical operation safety and efficiency.
Implementation Method 1
a through-the-wall motion sensor disposed within the enclosure
Data Source
AI summary
A module attachable to a wall to sense motion of a subject on the other side of the wall and to visually indicate the motion to operators on the module's side of the wall, sized for use in tactical operations. Embodiments of the module comprise at least one through-the-wall motion sensor and an indicator, which can include a light source, visible from the outside of the module to indicate the motion of a subject detected by the sensor. Embodiments of the module can optionally include various features, including an enclosure for containing all the components in a single module, electromagnetic shielding material to direct sensing capabilities of the sensors, adhesive for quickly removably securing the module to a wall in tactical operations, additional types of sensors, a microcontroller for controlling various variables in the sensors and light source.