Image Formation Apparatus Power Off Inhibition Alert
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Solution Overview
Problem
Conventional image formation apparatuses lack a method to inform users of the transition into a power saving state, leading to potential power off operations during a power off inhibition state, which can cause faults in functional parts and HDDs.
Innovation Solution
An image formation apparatus with a state indicator, system state manager, and alert controller that informs users of the power off inhibition state through the LED indicator, preventing unintended power off during state transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the system transitions to a power saving state, then power consumption is reduced, but the user cannot notice the transition and may perform power off operations during the transition period
Solution Approach 1:
The patent uses an LED indicator to visually signal the power off inhibition state through color changes or blinking patterns. This allows users to immediately recognize when the system is in a power off inhibition state, preventing unintended power off operations while the system transitions to or from power saving mode, thus resolving the contradiction between energy reduction and system stability
Solution Approach 2:
The patent implements a feedback mechanism where the LED indicator provides real-time visual information about the system's power state and inhibition status. This feedback loop ensures users are aware of the transition state and do not perform operations that could compromise system stability, while still allowing the power saving transition to proceed
2Device complexity
If the system provides no indication of power off inhibition state, then the device complexity is low, but users may perform power off operations that cause hardware faults
Solution Approach 1:
The LED indicator uses color changes or blinking patterns to indicate the power off inhibition state. This simple visual signaling mechanism provides essential protective information to users without adding significant complexity to the system, preventing hardware damage from unintended power off operations
Solution Approach 2:
The LED indicator serves as an intermediary between the system's internal power state management and the user. It translates complex internal states into simple visual signals, protecting the system from harmful user operations while maintaining low overall system complexity
Data Source
AI summary
An image formation apparatus including: a state indicator which informs of a current system state to an outside; a system state manager which manages the system state; and an alert controller which controls the state indicator according to the system state identified by the system state manager, wherein if the system state manager identifies that the system state is in a power off inhibition state, the alert controller causes the state indicator to inform a user of the power off inhibition state.