Portable Riot Shield With Integrated Display For Visual Communication
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Solution Overview
Problem
In law enforcement and crowd control situations, existing communication methods, such as audio loudspeakers, are often ineffective due to noise, chaos, and unpredictable environments, making it difficult to convey instructions to large groups of people in real-time.
Innovation Solution
A portable riot shield equipped with a display element powered by a battery, capable of electronically displaying instructional messages that can be wirelessly updated from a base station, allowing for clear visual communication even in noisy or chaotic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If audio loudspeakers are used for communication, then communication can be transmitted to crowds, but communication effectiveness deteriorates due to noise, chaos, and unpredictable environments
Solution Approach 1:
The patent replaces the acoustic communication system (loudspeakers) with a visual communication system (display elements on shields). This substitution transforms the communication medium from audio to visual, allowing instructions to be conveyed through displayed messages rather than spoken words, thereby overcoming the harmful effects of noise and chaos in crowd control environments.
Solution Approach 2:
The patent utilizes visual display elements that can change color or display different visual messages on shields to communicate instructions to crowds. The display elements can show text, symbols, or color changes that convey specific meanings, enabling effective communication regardless of audio interference from noise, smoke, or chaotic conditions.
2Loss of information
If visual display elements are added to shields, then communication effectiveness improves, but device complexity increases
Solution Approach 1:
The patent integrates multiple functions into the shield system: protection, visual communication, and wireless communication capability. The display elements are incorporated into the shield structure itself, allowing the shield to serve as both a protective barrier and a communication device. This multi-functionality reduces the need for separate communication equipment, thereby managing complexity while improving communication effectiveness.
Solution Approach 2:
The shields are equipped with autonomous display elements that can be controlled wirelessly from a base station. Each shield independently displays messages without requiring manual intervention or complex wiring between components. The wireless communication capability allows the base station to send commands to multiple shields simultaneously, simplifying the control architecture while enabling effective communication.
Data Source
AI summary
A portable protection apparatus includes a protective shield, a handle, a rechargeable battery, electrical circuitry configured to be powered by the rechargeable battery, and a first display element positioned on a first side of the protective shield. The first display element is configured to selectively display an instructional message when directed by the electrical circuitry, wherein the first display element is configured to be visible at a distance from the first side of the protective shield. The portable protection apparatus also includes a second display element positioned on a second side of the protective shield configured to display the instructional message to the user holding the protective shield.