Hinged Quick-Access Wallet With RFID Shielding and Card Retention
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Solution Overview
Problem
Conventional wallets face issues such as difficulty in accessing cards, lack of RFID shielding, durability, and ergonomic design, leading to security and functional problems.
Innovation Solution
A dual-housing wallet with rotatable covers made of rigid materials like aluminum, titanium, or carbon fiber, featuring resilient rubber tubes for card retention, ergonomic finger apertures for easy access, and a releasable lock for secure closure, ensuring RFID shielding and crush resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional soft leather or fabric wallets are used to hold cards, then the wallet is flexible and comfortable to carry, but cards are difficult to access and the wallet lacks crush resistance
Solution Approach 1:
The wallet is divided into two separate housings (first housing and second housing) that can rotate independently about a hinge, allowing each housing to be optimized for specific functions while maintaining overall flexibility
Solution Approach 2:
The wallet combines rigid materials (for housing structures providing crush resistance) with flexible materials (for card pockets and folding mechanisms enabling ease of access and carrying comfort)
2Object-affected harmful factors
If conventional wallets without RFID shielding are used, then the wallet structure remains simple and cost-effective, but cards are vulnerable to unauthorized RFID scanning
Solution Approach 1:
The housing covers serve multiple functions: they provide structural protection, enable rotation about the hinge, and incorporate RFID shielding material to block unauthorized scanning, eliminating the need for separate RFID shielding components
Solution Approach 2:
The RFID shielding is implemented using thin film material integrated into the housing covers, providing effective RFID blocking while maintaining the flexibility and thin profile of the wallet
3Reliability
If thin aluminum foil RFID shielding liners are embedded in leather wallets, then RFID protection is provided, but the shielding can crumple, tear or crack with repeated folding
Solution Approach 1:
The housing covers combine rigid structural material with integrated RFID shielding material, creating a composite structure that maintains shielding integrity while allowing the wallet to fold and flex repeatedly without cracking the shielding layer
4Reliability
If traditional card pockets rely on wallet material to grip cards, then the structure remains simple, but cards can accidentally slide out as the pocket stretches
Solution Approach 1:
Flexible rubber tubes are used as card retention members within the card pockets, providing reliable card grip through elastic deformation while maintaining a simple overall pocket structure that does not add significant complexity
5Ease of operation
If minimalist wallets with exterior money clips are used, then card storage is simplified, but paper currency is exposed to public view and can accidentally fall off
Solution Approach 1:
The wallet separates currency storage from card storage by providing dedicated trays within the housings, allowing currency to be stored discreetly inside while maintaining easy access through the rotatable housing design
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 wallet allows quick and intuitive access to cards, protects against RFID scanning, and maintains card integrity, while being comfortable and secure in use.
Implementation Method 1
Each housing is made from a substantially rigid RFID protective material such as aluminum, steel, titanium, or carbon fiber reinforced material, so that when the wallet is in the closed position all cards stored inside are shielded from unauthorized RFID scanning
Implementation Method 2
The resilient means inside each card chamber is configured to engage and grip the side of a stack of cards
Data Source
AI summary
An ergonomic, quick access wallet includes a pair of housings joined by a hinge and rotatable from a closed position to an open position. Each housing has a chamber for receiving cards through a slot provided at one end. The wallet can be opened to access a tray on the interior of each housing for storing cards, currency, coins and the like.