Self-defense phone case with notched shield corners
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Solution Overview
Problem
Existing self-defense tools, such as pepper vials, require human intervention and can be cumbersome to deploy quickly, increasing the risk of fumbling during panic situations.
Innovation Solution
A self-defense phone case with a removable shield that fits within a receiving area, featuring notched corners designed to pierce an attacker upon impact, allowing for quick and discreet use without additional deployment steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a pepper vial is used as a self-defense tool, then the tool can be carried without alerting the attacker, but the tool requires cap removal to deploy pepper which consumes valuable time and increases likelihood of fumbling in panic situations
Solution Approach 1:
The notched corners are pre-integrated into the phone case structure during manufacturing, eliminating the need for on-site assembly or activation steps. The self-defense functionality is ready-to-use immediately upon impact, resolving the time loss and operational complexity issues of traditional pepper vials requiring cap removal.
2Extent of automation
If a pepper vial is used as a self-defense tool, then the tool can be carried discreetly, but the tool requires human intervention and additional steps to activate which reduces readiness in panic situations
Solution Approach 1:
The phone case performs the self-defense function automatically through its pre-integrated notched corners that activate upon impact without requiring user intervention to open caps or deploy mechanisms. The system serves itself by utilizing the natural impact force to engage the notched corners, eliminating operational steps and maximizing user readiness in panic situations.
3Productivity
If a shield with notched corners is integrated into the phone case, then the self-defense tool can be used quickly without additional deployment steps, but the device complexity increases
Solution Approach 1:
The shield with notched corners is merged with the phone case structure, combining the protective function with the carrier device. This integration eliminates the need for separate self-defense tools and their associated deployment mechanisms, achieving high deployment efficiency while managing complexity through functional consolidation rather than adding independent systems.
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 easy, quick, and effective self-defense without alerting the attacker, as the phone case can be used to strike with pre-integrated notched corners, reducing the likelihood of fumbling and enhancing user readiness.
Implementation Method 1
Each corner of the plurality of corners includes a plurality of notches configured to pierce the corners of the self-defense phone case and strike an attacker when a user of the mobile device hits the attacker with the self-defense phone case
Data Source
AI summary
A self-defense phone case for holding a mobile device is disclosed herein. The self-defense phone case includes corners. The self-defense phone case further includes a shield. The shield includes a front surface for receiving the mobile device. The shield enables the holding of the mobile device by the self-defense phone case. The shield further includes corners. Each of the corners of the shields multiple notches configured to pierce the corners of the phone case and strike an attacker when the phone user hits the attacker with the self-defense phone case.


