Dispensing device comprising an indicator device

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Solution Overview

Problem

Existing dispensing systems require manual intervention for stock replenishment, leading to potential stock shortages or over-ordering, and lack automated inventory management capabilities.

Innovation Solution

A dispensing device with an indicator device that includes a movable indicator member, a switch, a signal generating and transmitting mechanism, and a wireless communication system to automatically detect and transmit stock levels, allowing for automated inventory management and reducing the need for manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual intervention is used for stock replenishment through periodic visual inspection or scanning, then device complexity is reduced, but loss of time increases due to delays in restocking

Engineering Contradiction:
Improvecomplexity of stock management systemVSAvoidtime delay in stock replenishment
Core Design Contradiction:
Device complexityVSLoss of time

Solution Approach 1:

The indicator device automatically detects when the dispensing chamber is empty and transmits a data signal without requiring manual inspection or intervention. The system serves itself by autonomously monitoring stock levels and initiating replenishment notifications, eliminating the time delay associated with manual checking while keeping the overall system relatively simple.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The indicator device detects stock depletion in advance and transmits a data signal before the chamber becomes completely empty. This preliminary detection and notification allows stock to be replenished proactively, preventing production delays while maintaining a straightforward system architecture.

Inventive Principle:
Principle #10Preliminary action

2Device complexity

If periodic scanning of bar codes or RFID tags is used, then device complexity is minimized, but reliability deteriorates due to stock unavailability when needed

Engineering Contradiction:
Improvecomplexity of inventory monitoring systemVSAvoidstock availability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The indicator device continuously monitors its own stock status and automatically transmits a data signal when the dispensing chamber is empty, eliminating the need for periodic manual scanning. This self-monitoring approach ensures reliable stock availability by providing real-time detection and notification, while keeping the system relatively simple without requiring complex centralized monitoring infrastructure.

Inventive Principle:
Principle #25Self-service

3Reliability

If wired connections are used for power and communication in dispensers, then signal transmission reliability is improved, but object-affected harmful factors increase due to loose wires presenting safety hazards

Engineering Contradiction:
Improvesignal transmission reliabilityVSAvoidsafety hazards from loose wires
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces mechanical wired connections with wireless communication technology. The indicator device transmits data signals wirelessly to the external device, eliminating the need for physical wire connections. This substitution maintains reliable signal transmission through wireless protocols while removing the safety hazards associated with loose wires in production environments.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Device complexity

If manual stock replenishment is used, then device complexity is reduced, but productivity decreases due to over-ordering or stock unavailability

Engineering Contradiction:
Improvecomplexity of stock management systemVSAvoidproduction efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The indicator device automatically detects when the dispensing chamber is empty and transmits a data signal to notify the external device, enabling timely stock replenishment. This automated monitoring prevents both stock unavailability and over-ordering by providing accurate real-time information, thereby maintaining production efficiency without requiring complex manual management processes.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system establishes a feedback loop where the indicator device monitors stock levels and transmits data signals to the external device, which can then initiate replenishment actions. This feedback mechanism ensures that stock is replenished at the optimal time, preventing production delays and reducing waste from over-ordering, thus improving productivity while keeping the system relatively simple.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3481259B1Dispensing device comprising an indicator device
Publication Date: 2026.04.22 CLARKE STEPHEN WILLIAM
  • EP3481259B1 patent drawingFigure 1
  • EP3481259B1 patent drawingFigure 2a~2b
  • EP3481259B1 patent drawingFigure 3a~3b

AI summary

An indicator device comprises an indicator member (102, 222, 330) moveable between first and second positions, a switch means (152, 252, 352) engageable by the indicator member when the indicator member is in the second position, a signal generating means (160, 260, 360) for generating a data signal, connected to the switch means, a signal transmitting means (158, 258, 358) connected to the signal generating means for wirelessly transmitting the data signal and an electrical power source (162, 262, 362) for supplying electrical power to the signal generating means and the signal transmitting means, wherein the device is configured to generate and transmit a data signal on actuation of the switch means. The invention also includes a dispensing device comprising such an indicator device.