Clear Protective Case with Inner Separators to Prevent Water Marks
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Solution Overview
Problem
Clear protective cases for electronic devices with glossy finishes often result in unwanted water marks due to solid plastic on plastic contact, which is aesthetically unappealing and difficult to address without compromising protection or clarity.
Innovation Solution
A clear protective case design that incorporates a minimal separation between the device and the case, achieved through the use of a ridge or microdots on the inner surface, preventing direct contact and thus eliminating water marks while maintaining protection and clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a clear protective case is used to cover a shiny device surface, then protection is provided, but water marks appear due to solid plastic contact
Solution Approach 1:
A separator element is introduced as an intermediary between the case and the device surface. This separator prevents direct contact between the clear case and the shiny device, eliminating the water mark effect while maintaining protective coverage. The separator acts as a mediating layer that resolves the harmful interaction between two clear surfaces.
Solution Approach 2:
The inner surface of the case is segmented into contact regions and non-contact regions through the use of separators. The separators create distinct zones where the case either contacts or separates from the device surface, allowing protection in contact areas while preventing water marks in separated areas.
2Object-generated harmful factors
If a separator is added to prevent water marks, then water marks are eliminated, but device complexity increases
Solution Approach 1:
The separator is implemented as a thin, flexible element that can be integrated into the case structure without adding significant bulk or complexity. This thin-film approach maintains the overall simplicity of the case while effectively preventing water marks through minimal separation.
Solution Approach 2:
The separator functionality is merged with the case structure itself, rather than being a separate attached component. By integrating the separator into the case molding or assembly, the design avoids additional parts and simplifies the overall structure while still preventing water marks.
Data Source
AI summary
A case for a mobile, electronic device, the case having a hard, clear case body with an outer surface and an inner surface facing the electronic device and at least one separator on the inner surface of the case body to create a space between the electronic device and the case body.