Tablet Housing Ribs and Frame for Impact Distribution
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Solution Overview
Problem
Modern portable electronic devices face challenges in integrating complex components like touch-sensitive displays, cameras, and sensors into compact, lightweight forms while maintaining robustness for everyday use.
Innovation Solution
The tablet computing system incorporates a housing structure with a raised rim, frame member, and cover member that includes a network of ribs for impact force distribution, camera brackets for precise positioning, and adhesive seals for hermetic acoustic paths, along with conductive cowling for electromagnetic interference shielding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple camera modules and sensors are integrated into a compact housing, then device functionality is enhanced, but manufacturing precision requirements increase
Solution Approach 1:
The sensor assembly is divided into separate functional modules (camera modules, depth sensor, microphone) that are independently positioned and secured within the housing. Each module has its own mounting structure and positioning features, allowing for modular assembly and reduced precision requirements for the overall housing structure.
Solution Approach 2:
The frame member acts as an intermediary structure between the housing and the sensor modules. It provides a stable mounting platform with integrated positioning features that simplify the assembly process and reduce the precision requirements for directly mounting sensors to the housing.
2Strength
If a raised rim and frame member structure is added to define sensor assembly holes, then structural integrity is improved, but device weight increases
Solution Approach 1:
The raised rim and frame member structure is implemented only in the specific regions where sensor assemblies are located, rather than throughout the entire housing. This localized reinforcement provides necessary structural support while minimizing additional weight compared to a fully reinforced housing structure.
3Reliability
If adhesive seals are used to create hermetic acoustic paths, then acoustic performance is improved, but manufacturing complexity increases
Solution Approach 1:
The adhesive seal serves multiple functions simultaneously: it creates the hermetic acoustic seal, provides mechanical bonding between components, and fills gaps to ensure acoustic isolation. This multi-functionality reduces the need for separate sealing components and simplifies the manufacturing process.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances the device's structural integrity, ensures reliable operation under impact, and reduces electromagnetic interference, maintaining portability and usability while integrating multiple functionalities.
Implementation Method 1
The frame member may define a network of ribs configured to transfer impact force from a first portion of the housing member to a second portion of the housing member
Implementation Method 2
The adhesive may surround the first recess and define a hermetic seal between the frame member and the cover member around the first recess
Implementation Method 3
a conductive cowling at least partially surrounding the depth sensor hole and defining a plurality of conductive tabs extending into the depth sensor hole
Data Source
AI summary
A tablet computing system may include a housing member defining a first portion of a back exterior surface of the tablet computer, at least a portion of a side exterior surface of the tablet computer, a raised rim extending from the back exterior surface and at least partially defining a sensor assembly hole extending through the housing member, and a support ledge positioned in the sensor assembly hole. The tablet computing system may also include a frame member positioned at least partially in the sensor assembly hole and coupled to the support ledge, a camera bracket coupled to the frame member, a first camera module coupled to the camera bracket, aa second camera module coupled to the camera bracket, the camera bracket fixing the relative positions of the first camera module and the second camera module, and a cover member positioned in the sensor assembly hole and attached to the frame member.