Voice-Activated Transaction Card with Local Authorization
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Solution Overview
Problem
Transaction cards are vulnerable to unauthorized transactions when used by others, leading to potential overcharging and increased resource consumption for dispute resolution.
Innovation Solution
A transaction card equipped with motion and sound sensors that allow users to set transaction restrictions via voice commands, converting sound waves to digital signals to determine compliance with set restrictions, thereby authorizing or declining transactions locally without server assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transaction cards are used without voice-activated restrictions, then ease of operation is maintained, but security against unauthorized transactions deteriorates
Solution Approach 1:
The system performs preliminary action by requiring users to pre-record voice commands that define transaction restrictions before actual transactions occur. These pre-recorded commands are stored in the card's memory and automatically executed during transactions, ensuring security measures are in place before unauthorized transactions can occur.
Solution Approach 2:
The patent replaces traditional mechanical interaction (physical card handover, manual PIN entry) with acoustic field interaction through voice-activated commands. The sound sensor captures voice inputs and converts them to electrical signals that trigger transaction restrictions, substituting mechanical operations with acoustic-based control mechanisms.
2Productivity
If server interaction is required for transaction authorization, then transaction processing completeness is ensured, but processing speed and resource efficiency deteriorate
Solution Approach 1:
The patent segments the transaction authorization process into two independent parts: (1) local verification of voice-activated restrictions stored in the card's memory, and (2) optional server interaction for complex validations. This segmentation allows simple transactions to be processed locally without server delays while maintaining completeness through selective server communication.
Solution Approach 2:
Transaction restrictions and authorization rules are pre-loaded into the card's memory before transactions occur. This preliminary action enables the card to independently evaluate and authorize transactions against pre-stored criteria without requiring real-time server communication, thereby improving processing speed while maintaining authorization completeness.
3Object-affected harmful factors
If data transmission to server occurs for every transaction, then centralized control is maintained, but data transmission risks and network resource consumption increase
Solution Approach 1:
The patent segments data transmission requirements by categorizing transactions into those that need server communication and those that can be processed locally. Simple transactions matching pre-stored voice command criteria are processed without transmission, while complex or suspicious transactions trigger selective data transmission to the server, reducing overall transmission risks while maintaining centralized control where needed.
Solution Approach 2:
The transaction card performs self-service by autonomously evaluating transactions against pre-recorded voice commands and independently authorizing compliant transactions without requiring server intervention. This self-service capability minimizes data transmission to only necessary cases, reducing network resource consumption and transmission risks while maintaining security through local enforcement of user-defined restrictions.
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
Enhances security by preventing unauthorized transactions, conserves processing and network resources by reducing the need for server interaction, and minimizes data transmission risks.
Implementation Method 1
converting sound waves to a digital signal
Data Source
AI summary
A transaction card receives sound waves that represent a user command, where the user command identifies one or more transaction restrictions of the transaction card. The transaction card converts the sound waves to a digital signal and identifies, based on an analysis of the digital signal, user command data that identifies the user command. The transaction card sets, based on identifying the user command data, one or more transaction restriction values for the one or more transaction restrictions. The transaction card receives transaction metadata associated with a transaction and determines whether the transaction is compliant with the one or more transaction restrictions. The transaction card causes, based on determining whether the transaction is compliant with the one or more transaction restrictions, the transaction to be processed by a server device, or to be declined.