Token-Based Beverage Dispensing Identity Verification

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Solution Overview

Problem

Self-service beverage dispensers face issues with misuse and inconvenience due to unlimited access models, where users must maintain possession of a specific cup for refills, leading to problems in unmonitored environments and sanitation concerns.

Innovation Solution

A token-based system where users receive tokens with access data, allowing them to dispense beverages or snacks without a specific container, with options for unlimited or limited units, linked to their identity, and stored on wearable or portable devices like RFID tags or magnetic stripe cards.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If unlimited refills are allowed with self-service beverage dispensers, then user convenience is improved, but misuse and cost control deteriorate

Engineering Contradiction:

Improveuser convenienceVSAvoidmisuse control

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system enables users to automatically authenticate and receive refills through self-service at the dispenser using their mobile device, eliminating the need for manual verification by staff while maintaining control through automated identity verification and refill tracking

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements real-time feedback by tracking refill counts, monitoring user identity through mobile devices, and providing automated verification to prevent misuse while allowing convenient self-service refills within authorized limits

Inventive Principle:

Principle #23Feedback

2Reliability

If users must maintain possession of a specific cup for refills, then access control is improved, but user convenience deteriorates

Engineering Contradiction:

Improveaccess controlVSAvoiduser convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system replaces the physical cup as the access control medium with a digital copy stored on the user's mobile device, which can be easily presented and verified at the dispenser without requiring the user to carry or protect a specific physical cup

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The mobile device serves multiple functions including storing user identity, authenticating at the dispenser, and potentially tracking refill history, replacing the single-function physical cup with a multi-functional digital credential that provides both access control and user convenience

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Loss of energy

If prices are increased to cover multiple refills, then cost recovery is improved, but market acceptance deteriorates

Engineering Contradiction:

Improvecost recoveryVSAvoidmarket acceptance

Core Design Contradiction:

Loss of energyVSAdaptability or versatility

Solution Approach 1:

The system changes the pricing parameter from a flat increased price to a tracked refill model where users are charged based on their actual usage patterns, allowing cost recovery while maintaining market acceptance through transparent and fair pricing

Inventive Principle:

Principle #35Parameter changes

4Reliability

If signage is posted to limit refills, then access control policy is improved, but enforcement effectiveness deteriorates

Engineering Contradiction:

Improveaccess control policyVSAvoidenforcement effectiveness

Core Design Contradiction:

ReliabilityVSExtent of automation

Solution Approach 1:

The system replaces manual enforcement of refill policies through signage with an automated electronic verification system that uses mobile device authentication and dispenser integration to automatically enforce refill limits and policies without requiring customer compliance or manual monitoring

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

This system maintains self-service efficiency while preventing unfettered access, allowing users to share or transfer entitlements, and reducing the burden of carrying cups, enhancing user convenience and reducing misuse.

Implementation Method 1

access control is provided by placing a passive radio-frequency identification (RFID) tag on the cup, and the self-service beverage dispenser includes an RFID reader that activates or reads the RFID tag and verifies the cup is authorized for using or accessing the beverage dispenser

Methodology Applied

Scientific EffectRadio-frequency identification (RFID):

Data Source

PatentUS8972048B2Self-service beverage and snack dispensing using identity-based access control

Publication Date: 2015.03.03 DISNEY ENTERPRISES INC

AI summary

A token-based system providing self-service vending of snacks or beverages. The system includes a vending machine with a controller selectively dispensing goods. A token reader is linked to the controller. Tokens are provided to users of the system that each includes access data. During use, the token reader reads the access data and provides it to the controller. The controller dispenses a unit of the goods based on the access data read from the token. The system provides token-based vending with the token being a handheld or wearable object providing the access data, such as with an RFID tag on a bracelet or pin or with a barcode or magnetic stripe on a card or room key. The vending machine may be a beverage dispenser that dispenses a drink with a user obtaining a disposable container near the dispenser and presenting their token to the token reader.