Server Consumable Ordering Threshold Adjustment

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Solution Overview

Problem

Users face losses when switching from one printing service to another, as existing technologies do not consider residual ink quantities or usage history, leading to potential ink shortages or excessive inventory.

Innovation Solution

A server system that communicates with printers to adjust ordering thresholds based on residual ink quantities and usage history, ensuring timely ink refills and preventing losses during service changes by setting appropriate threshold values for new consumables.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a user switches from one printing service to another, then the user can access different service features, but the user may suffer loss due to unaccounted residual ink quantities

Engineering Contradiction:
Improveservice switching capabilityVSAvoidresidual ink quantity
Core Design Contradiction:
Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The server performs preliminary actions by acquiring residual quantity information from the first service before the user switches to the second service. The threshold value is pre-calculated based on this residual quantity, ensuring that the new service ordering mechanism accounts for existing ink supplies before depletion occurs.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements feedback by using the residual quantity information from the first service to dynamically set the threshold value for the second service. This feedback loop ensures that the ordering mechanism in the new service is calibrated based on actual remaining supplies, preventing both loss and excessive ordering.

Inventive Principle:
Principle #23Feedback

2Ease of operation

If the server orders new consumables based on a fixed threshold value, then the ordering process is simple, but it may cause ink shortage or excessive inventory when service conditions change

Engineering Contradiction:
Improveordering process simplicityVSAvoidink supply adequacy
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The threshold value is made dynamic rather than fixed. It is adjusted based on residual quantity information from the previous service, allowing the ordering mechanism to adapt to different service conditions and usage patterns while maintaining operational simplicity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the parameter (threshold value) based on incoming information about residual quantities. This parameter adjustment ensures that the ordering trigger point is optimized for the specific service context, preventing both shortage and excessive inventory while keeping the process simple.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20240281758A1Server ordering new consumable for target device, as service, when residual quantity of currently-used consumable is lower than or equal to threshold value
Publication Date: 2024.08.22 BROTHER KOGYO KK
  • US20240281758A1 patent drawing
  • US20240281758A1 patent drawing
  • US20240281758A1 patent drawing

AI summary

A server communicates with a target device that consumes a consumable. A controller of the server receives a request to modify a target service for the target device to a first service from a second service. Each of the first and second services is a service in which a new consumable is to be ordered for the target device on the basis of a residual quantity of a currently-used consumable. The controller acquires specific information in response to the request. The specific information is related to an order placed for a new consumable while the target service has been set to the second service. The controller sets a first threshold value on the basis of the specific information, and orders, as a part of the first service, a new consumable for the target device when the residual quantity is lower than or equal to the first threshold value.