Dynamic Power Allocation for Printer Heaters

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Solution Overview

Problem

Printing devices face challenges in managing power allocation to heater systems, leading to undesirable performance issues such as poor output quality, long job completion times, and reliability problems due to the inability to adapt to various printing contexts effectively.

Innovation Solution

A context power adjustment system within the power allocation engine that dynamically adjusts power grants to heater systems based on contextual printing conditions, allowing for more precise thermal control and improved response times across different printing scenarios.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If power is allocated to heater systems using traditional power arbitration, then basic heating function is provided, but print quality and response time deteriorate under varying printing contexts

Engineering Contradiction:

Improveadaptability to printing contextsVSAvoidoutput quality

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The power allocation system transitions from static traditional power arbitration to dynamic context-aware power allocation. The system continuously monitors printing context parameters (media type, print density, color mode) and dynamically adjusts power grants to heater systems accordingly, enabling adaptive response to varying printing conditions while maintaining reliable output quality

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes the parameter of power allocation from fixed arbitration values to context-dependent variable values. By detecting printing context parameters and mapping them to adjusted power grants, the system optimizes heater power delivery based on actual printing requirements, resolving the contradiction between adaptability and reliability

Inventive Principle:

Principle #35Parameter changes

2Productivity

If power is allocated to heater systems using traditional power arbitration, then power distribution is simple, but job completion time increases due to insufficient thermal response

Engineering Contradiction:

Improvejob throughputVSAvoidjob completion time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary detection of printing context parameters before initiating the printing operation. Based on the detected context (media type, print density, color mode), the system pre-calculates and applies appropriate power adjustments to heater systems in advance, enabling faster thermal response and reducing job completion time without compromising productivity

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements a feedback mechanism where printing context is continuously monitored and power allocation is adjusted based on real-time conditions. This closed-loop control enables the system to respond quickly to changing printing requirements, reducing idle time and improving job throughput by optimizing heater power delivery dynamically

Inventive Principle:

Principle #23Feedback

3Speed

If power is allocated to heater systems using traditional power arbitration, then system complexity is low, but response time to thermal requirements is insufficient

Engineering Contradiction:

Improvethermal response timeVSAvoidpower allocation system complexity

Core Design Contradiction:

SpeedVSDevice complexity

Solution Approach 1:

The context-aware power allocation system serves multiple functions: it detects printing context parameters, determines optimal power grants, and adjusts heater power delivery. By consolidating these functions into a unified power allocation mechanism, the system achieves fast thermal response without proportionally increasing overall system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system introduces a context-aware power allocation layer as an intermediary between the traditional power arbitration and the heater systems. This intermediary translates printing context parameters into optimized power grants, enabling faster thermal response while maintaining relatively simple system architecture through modular design

Inventive Principle:

Principle #24Intermediary (Mediator)

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 print quality and job throughput by optimizing power distribution according to specific printing contexts, ensuring reliable operation and efficient processing even under less common printing conditions.

Implementation Method 1

conditioning systems can apply heat or pressure to a printed medium prior to output

Methodology Applied

Scientific EffectHeating: Heating

Data Source

PatentUS11230120B2Power allocation in printing devices

Publication Date: 2022.01.25 HEWLETT PACKARD DEVELOPMENT COMPANY LP

AI summary

Power allocation in printing devices is disclosed. Independent load requests are received from printing device heater systems including an independent load request is received from a printing device heater system of the printing device heater systems. A power allowance of an amount of a power output is allocated to the printing device heater system if a print substance density is outside a print substance density threshold and the independent load request is outside a load threshold.