Tamper Detection via Fastener Removal from Recess
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Solution Overview
Problem
There is a need for a secure payment processing system that can intuitively and flexibly interface with a variety of mobile computing devices, given the diverse sizes and form factors of these devices, which often break compatibility with existing interfaces.
Innovation Solution
A point of sale (POS) terminal device with interchangeable frames and a secure enclosure that securely holds and connects mobile computing devices of different form factors, using NFC readers and tamper detection circuitry for secure payment processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed bracket or interface is designed for a specific mobile computing device form factor, then compatibility with that specific device is achieved, but compatibility with other form factors is lost
Solution Approach 1:
The bracket is designed with adjustable components that allow it to accommodate multiple mobile computing device form factors. The bracket includes adjustable arms with clamps that can be positioned at different angles and heights, enabling a single bracket design to securely hold various device sizes and shapes, thus achieving universality without requiring multiple specialized brackets for each device type.
2Reliability
If the bracket design is customized for each mobile computing device model, then optimal securing is achieved, but manufacturing and inventory complexity increases
Solution Approach 1:
The bracket is divided into modular segments including adjustable arms, clamps, and mounting components that can be independently positioned and configured. This segmentation allows the bracket to be manufactured using standardized parts that can be assembled in various configurations to securely hold different mobile computing device models, maintaining securing effectiveness while simplifying manufacturing and inventory management.
Data Source
AI summary
A point of sale (POS) device includes a flexible member with two exposed conductive areas that are part of a tamper detection circuit. While a recess receives a screw, the screw passes through apertures in the flexible member and in a conductive gasket, and the conductive gasket connects the two exposed conductive areas to one another, closing the tamper detection circuit. Adhesives affix the flexible member to the screw and the conductive gasket to the recess opening so that removing the screw from the recess separates the conductive gasket from the two exposed conductive areas, opening the tamper detection circuit.