Rotating Phone Case Support for One-Handed Selfie Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing portable communication terminal equipment cases lack a simple mechanism to change the orientation of the device for taking pictures or videos while being held, leading to wrist and thumb fatigue, and do not facilitate easy one-handed operation or design aesthetics.
Innovation Solution
A portable communication terminal equipment case with a support unit that includes a first rotary section and a second rotary section, allowing the device to be rotated around axes perpendicular and parallel to the case body, enabling flexible positioning without a telescopic mechanism, and incorporating a decoration attachment section for aesthetic enhancement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a telescopic support member with five coupling pieces is used to extend the support length, then the support length is increased sufficiently for taking pictures, but the structure becomes complicated and costly, and thickness and weight increase inevitably
Solution Approach 1:
The support member is divided into a case body portion and a support unit portion that can rotate relative to each other around a rotation axis. This segmentation allows the support to achieve extended length through rotational deployment rather than telescopic extension, simplifying the overall structure while maintaining sufficient support length for selfie photography.
Solution Approach 2:
The support unit is configured to be rotatable relative to the case body around a rotation axis, enabling dynamic adjustment of the support angle and length. This dynamic mechanism replaces the static telescopic structure, allowing flexible positioning without requiring multiple coupling pieces, thereby reducing structural complexity while maintaining adaptability for various shooting angles.
2Strength
If a telescopic support member with hinge section is used to ensure strength in use with extension, then the support strength is ensured, but thickness increases inevitably due to housing requirements
Solution Approach 1:
The rotation axis is positioned at a corner of the case body rather than at the center or edge, utilizing the corner space efficiently. This dimensional repositioning allows the support unit to rotate outward without interfering with the internal housing space, maintaining case thickness while ensuring support strength through proper structural design of the rotation joint.
3Adaptability or versatility
If the rotation axis is positioned at the middle position of the rear surface, then the support member can be housed without projecting, but the support member becomes an obstacle in charging with wireless charger and hiding logo
Solution Approach 1:
The rotation axis is positioned asymmetrically at a corner of the case body rather than at the middle position. This asymmetric placement allows the support unit to rotate outward away from the center charging area, eliminating interference with wireless charging functionality and logo visibility while still enabling the support member to be housed when not in use.
4Measurement precision
If the portable communication terminal is held with wrist twisted toward little finger for thumb operation, then the operation precision is maintained, but wrist and thumb fatigue occurs due to sustained awkward posture
Solution Approach 1:
The support unit enables dynamic adjustment of the terminal orientation by rotating around the corner rotation axis. This allows the user to position the terminal at various angles, including positions where the screen is more naturally oriented for viewing and operation, reducing the need to twist the wrist and maintaining operation precision while improving comfort during extended use.
Data Source
AI summary
A portable communication terminal equipment case attached to terminal equipment including an enclosure having a front surface and a rear surface in which a camera lens is located, the equipment case includes a case body and a support unit including a first rotary section making a support unit rotatable around an axis perpendicular to an exterior surface of the case body, a first plate-piece section integral with the first rotary section, a second rotary section rotatable around an axis parallel with the exterior surface; and a second plate-piece section coupled to one end of the first plate-piece section via the second rotary section. A rotation axis center of the first rotary section is located adjacent to other-end short side in a longitudinal direction, at which the camera lens is not located, and offset in a direction toward one of corners with respect to a middle position of the short side.