Magnetic Camera Coupling with Ferromagnetic Display Housing
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Solution Overview
Problem
Existing portable information handling systems face challenges with peripheral cameras, including difficulty in magnetic coupling due to lack of iron in the housing, limited battery life, thermal management issues, and managing external illumination.
Innovation Solution
A system and method that magnetically couples a peripheral camera to a portable information handling system display using ferromagnetic material, extends battery life through wireless charging and adjustable power consumption, manages thermal energy with a thermally conductive casing, and addresses illumination with a ring light and display coordination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a peripheral camera is magnetically coupled to a portable information handling system display, then the camera can be easily attached and positioned, but the housing must contain ferromagnetic material which increases weight and may conflict with portable design preferences for lightweight materials
Solution Approach 1:
The display housing incorporates ferromagnetic material only in specific localized regions where camera attachment is needed, rather than throughout the entire housing. This allows magnetic coupling functionality while minimizing the total amount of ferromagnetic material and associated weight increase.
Solution Approach 2:
The display housing uses a composite structure combining lightweight non-ferromagnetic materials (such as aluminum or plastics) with localized ferromagnetic material layers or inserts. This composite approach maintains overall lightweight characteristics while providing the necessary magnetic coupling zones.
2Measurement precision
If the camera operates at full power to provide high quality video, then image quality is improved, but battery charge is depleted quickly
Solution Approach 1:
The camera system dynamically adjusts its operational parameters including resolution, frame rate, and power consumption based on real-time conditions such as battery charge level, intended duration of use, and environmental factors. This allows the system to optimize between video quality and battery life depending on the specific usage scenario.
Solution Approach 2:
The camera can change its operational parameters (resolution, bitrate, processing intensity) based on battery charge state and expected operating time. When battery charge is low or usage time is short, the system automatically reduces parameters to extend battery life while maintaining acceptable video quality.
3Reliability
If the camera is placed on a stand in front of the display, then magnetic coupling issues are avoided, but the stand blocks the end user's viewing and interferes with desktop surface usage
Solution Approach 1:
Instead of using a physical stand that occupies desktop space, the system uses magnetic coupling to create a virtual mounting solution. The camera attaches directly to the display surface through magnetic force, eliminating the need for a physical stand and freeing up desktop surface area.
4Volume of moving object
If a small cylindrical camera is used to achieve compact form factor, then the camera size is reduced for portability, but heat dissipation becomes difficult and battery capacity is limited
Solution Approach 1:
The camera design extends in the longitudinal dimension (length) rather than increasing cross-sectional area. This cylindrical form factor with extended length provides sufficient surface area for heat dissipation while maintaining a compact footprint that does not interfere with desktop surface usage or viewing angles.
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
The solution enables stable magnetic coupling, extends battery life, ensures thermal management, and optimizes illumination, enhancing the usability and performance of peripheral cameras with portable information handling systems.
Implementation Method 1
portable information handling system magnetically couples a peripheral camera to an integrated display front face with ferromagnetic material disposed in portions of the display
Implementation Method 2
A tapered conical thermally conductive intermediate casing fits within the cylindrical housing to press outward with an even distribution so that thermal energy is uniform at the housing outer surface
Data Source
AI summary
An information handling system having a display magnetically couples a peripheral camera to the display with a magnet included in the camera housing. A stand having a spindle raised over a desktop surface includes ferromagnetic material in the spindle to magnetically couple the peripheral camera. The spindle rotates about a vertical axis so that an end user can quickly adjust the camera field of view and show captured visual images at a display vertically aligned.