ATM Deposit Verification via Time-Based Retention

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Solution Overview

Problem

Automated teller machines (ATMs) face challenges in detecting counterfeit currency, leading to holds on deposits, which can deter customers from using ATMs and exclude unbanked or underbanked individuals from accessing banking services without updating existing ATM infrastructure.

Innovation Solution

A computer system that includes a communications module, a processor, and memory, which receives an indication of a deposit from an ATM, saves a retention instruction with a temporal period to prevent withdrawal, and processes a data transfer to a recipient using a portion of the deposit during the specified period.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If counterfeit detection technology is updated to improve detection accuracy, then measurement precision improves, but device complexity and cost increase

Engineering Contradiction:
Improvecounterfeit detection accuracyVSAvoidATM infrastructure complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent introduces a hold period as an intermediary mechanism between deposit and withdrawal. Instead of relying solely on complex counterfeit detection technology, the system uses time-based retention of funds to allow for verification, thereby reducing the immediate need for advanced detection equipment while maintaining security.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system performs preliminary verification actions during the hold period before allowing withdrawal. This preliminary action (retention and verification) enables the system to detect counterfeit currency without requiring the most advanced detection technology at the point of deposit, as there is time for additional verification steps.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If a hold is applied to deposits to allow verification, then reliability improves, but loss of time increases and customer convenience deteriorates

Engineering Contradiction:
Improvedeposit verification reliabilityVSAvoiddeposit availability time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies a partial hold mechanism where only a portion of the deposit may be subject to retention, or the hold period is set to a specific duration that balances verification needs with customer convenience. This partial action allows some funds to be immediately available while others undergo verification, reducing the overall time loss compared to a complete hold on all deposits.

Inventive Principle:
Principle #16Partial or excessive action

3Ease of operation

If ATM infrastructure is updated to eliminate holds, then ease of operation improves, but device complexity and cost increase

Engineering Contradiction:
ImproveATM usage convenienceVSAvoidATM infrastructure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system allows customers to initiate data transfers themselves using deposited funds during the hold period without requiring complex ATM modifications. The self-service nature of electronic transfers enables immediate utilization of funds for approved transactions while the hold mechanism continues to protect against counterfeit currency, eliminating the need for expensive infrastructure upgrades.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent enables ATMs to serve multiple functions: traditional cash dispensing with hold protection, and electronic data transfer initiation using deposited funds. This multi-functionality allows the existing ATM infrastructure to provide enhanced services without requiring complete replacement, as the system leverages the deposit mechanism for both cash and electronic transfer purposes.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Reliability

If holds are applied to all deposits, then reliability improves, but productivity decreases and unbanked individuals are excluded

Engineering Contradiction:
Improvecounterfeit detection reliabilityVSAvoidtransaction throughput
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system applies verification actions selectively rather than uniformly to all deposits. By allowing data transfers to proceed with deposited funds during the hold period, the system maintains productivity for electronic transactions while applying full verification only when necessary, thereby avoiding the complete shutdown of transaction throughput that would result from universal holds.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS12293343B2Immediate release of resource for data transfer
Publication Date: 2025.05.06 THE TORONTO DOMINION BANK
  • US12293343B2 patent drawing
  • US12293343B2 patent drawing
  • US12293343B2 patent drawing

AI summary

In an aspect, the present application describes a computer system. The computer system includes a communications module and a processor coupled to the communications module. The computer system include a memory coupled to the processor storing instructions that, when executed by the computer system, cause the computer system to: receive, from an automated teller machine (ATM) and via the communications module, an indication of a deposit of a value instrument; save, in the memory, a retention instruction including an associated temporal period, the retention instruction preventing withdrawal of value instruments corresponding to an amount of the deposit; receive, via the communications module, an instruction to process a data transfer to a recipient, the data transfer to the recipient accessing at least a portion of the deposit; and process the data transfer to the recipient during the temporal period using at least a portion of the deposit.