Handheld Device Housing Grip and Lighting
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Solution Overview
Problem
Handheld electronic devices, such as smartphones and cellphones, have a smooth brick-like design that easily slips from users' hands, risking damage and data loss, and their built-in camera flashes often provide suboptimal lighting with high contrast shadows due to single point light sources.
Innovation Solution
The design incorporates enhanced grip surface structures with lateral projections and concavities on the device's sides to improve traction and integrated multi-point lighting solutions around the camera lens for better photographic lighting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the device uses a smooth brick-like design, then the device has a simple and elegant form, but the device easily slips from the user's hand
Solution Approach 1:
The patent applies local quality by providing enhanced grip surface structures only on specific portions of the device housing where grip is needed, rather than changing the entire device shape. The ridges and contours are localized to side surfaces and edges, maintaining the overall elegant smooth design while improving grip stability in critical areas.
Solution Approach 2:
The patent uses curvature by incorporating rounded contours and curved ridges into the grip surface structures. The contours follow the natural curves of the device housing, creating ergonomic grip patterns that conform to the user's hand shape, thereby improving grip stability without creating a bulky appearance.
2Device complexity
If the device uses a single point light source for camera flash, then the device structure is simple, but the lighting produces high contrast shadows
Solution Approach 1:
The patent applies segmentation by dividing the single light source into multiple separate light emitting elements arranged in a linear configuration. This segmentation allows the light to be emitted from multiple points simultaneously, creating overlapping light patterns that fill in shadows and reduce contrast, thereby improving lighting quality without requiring a complete system redesign.
Solution Approach 2:
The patent transitions from a single-point (0D) or omnidirectional light source to a linear array of light sources (1D extension). This dimensional change allows the lighting system to cover a longer area and create more uniform illumination patterns, reducing the harsh shadows produced by single-point sources while maintaining structural simplicity.
Data Source
AI summary
Disclosed is a housing for a portable handheld electronic device such as a cellphone. The device has a housing, having a left side and right side. The housing can be layered, such as in a sandwich configuration. The layers can be secured together via one or more fasteners that extend through at least front and rear plates of the housing.