Liquid Ejection Apparatus Display at Housing Joining Portions
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Solution Overview
Problem
Existing liquid ejection apparatuses with refillable liquid tanks face challenges in allowing users to easily recognize the remaining liquid amount, often requiring users to look at the apparatus from the side or bottom, which can be inconvenient.
Innovation Solution
The liquid ejection apparatus is designed with a housing that includes an upper surface and side surfaces, a refillable liquid tank, and a display unit that indicates the remaining liquid amount, arranged at the joining portions where the upper surface meets the side surfaces, allowing for easy recognition from multiple angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the remaining amount display is provided at the lower part of the liquid ejection apparatus, then the user can recognize the remaining liquid amount, but it complicates the recognition and requires the user to look from a lateral side
Solution Approach 1:
The display unit is relocated from the lower part to the joining portion between the upper surface and side surface of the housing. This spatial repositioning allows users to view the remaining liquid amount from the front or upper direction, eliminating the need to approach from the lateral side and improving ease of operation while maintaining information accessibility.
2Ease of operation
If the display unit is arranged at the joining portion between upper surface and side surface, then the user can easily recognize the remaining liquid amount from multiple angles, but it increases the device complexity
Solution Approach 1:
The joining portion between the upper surface and side surface serves dual purposes: it provides structural connection between housing components and simultaneously functions as an optimal location for the display unit. This multi-functional utilization allows the display to be accessible from multiple angles (front and upper views) without adding separate structural elements, thereby avoiding increased device complexity.
Data Source
AI summary
A liquid ejection apparatus includes a housing provided at least with an upper surface and side surfaces, and a liquid tank that is arranged in the housing and is refillable with a liquid from outside. A display unit that indicates a remaining liquid amount in the liquid tank is arranged at least at one of joining portions each joining the upper surface to one of the side surfaces.