Phone Case Storage Compartment Integration

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Solution Overview

Problem

Conventional mobile phone cases with storage compartments for credit/debit cards become bulky and expose cards when the device is used, as they require the cover to be opened, compromising style and convenience.

Innovation Solution

A mobile phone case design featuring a soft protective case, a hard protective frame with a storage compartment, and a sliding/rotatable cover that securely holds cards without making them visible, using protrusions and openings to retain cards and integrate the storage compartment seamlessly within the case's structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a storage compartment is integrated into the protective case, then personal items can be stored conveniently, but the case becomes bulkier and heavier

Engineering Contradiction:

Improvestorage functionalityVSAvoidcase weight

Core Design Contradiction:

Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The storage compartment is nested within the protective case structure itself, utilizing the case's internal space rather than adding external attachments. The compartment integrates with the case body, allowing personal items to be stored without significantly increasing overall case dimensions or weight.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Adaptability or versatility

If a storage compartment is integrated into the protective case, then personal items can be stored conveniently, but the case becomes bulkier and heavier

Engineering Contradiction:

Improvestorage functionalityVSAvoidcase volume

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

Inventive Principle:

Principle #7Nested doll (Nesting)

3Ease of operation

If the cover is opened to use the electronic device, then the device is accessible, but the credit cards stored inside become exposed

Engineering Contradiction:

Improvedevice accessibilityVSAvoidcard exposure

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The case is segmented into distinct functional zones: an electronic device compartment and a separate storage compartment for personal items. This segmentation allows the cover to be opened for device access while the storage compartment remains closed and secure, preventing card exposure.

Inventive Principle:

Principle #1Segmentation

4Volume of moving object

If the case is made compact to match modern phone sizes, then portability is improved, but storage space for personal items is reduced

Engineering Contradiction:

Improvecase sizeVSAvoidstorage capacity

Core Design Contradiction:

Volume of moving objectVSAdaptability or versatility

Solution Approach 1:

The case utilizes local quality variations in material density and structural design to create an efficiently packed storage compartment. The compartment is strategically positioned and dimensioned to maximize storage capacity within the compact case form factor, ensuring personal items can be stored without significantly increasing overall case volume.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS10432246B2Case having storage compartment for electronic devices

Publication Date: 2019.10.01 SPIGEN KOREA

AI summary

A case, having a storage compartment, for an electronic device includes a soft protective case, a hard protective frame, and a cover. The soft protective case includes an aperture and the hard protective frame includes the storage compartment such that the aperture of the soft protective case is constructed to receive the storage compartment therein. The storage compartment of the hard protective frame fits in the aperture of the soft protective case and sides of the aperture of the soft protective case substantially surround the side walls of the storage compartment.