Magnetic Peripheral Camera with Reflective Display Coupling
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Solution Overview
Problem
Portable information handling systems face challenges with integrated cameras due to limited size and image quality, and peripheral cameras are difficult to align correctly with larger displays, leading to unnatural user images and heat dissipation issues.
Innovation Solution
A magnetically coupled peripheral camera system with ferromagnetic material on the display, wireless charging, and a thermally conductive casing to extend battery life and manage illumination, allowing for high-quality image capture and improved user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a peripheral camera is placed on a bracket coupled to the display perimeter, then the camera can be positioned for image capture, but the end user views the display area away from the camera field of view axis resulting in an unnatural image where the end user appears to be looking away from the camera
Solution Approach 1:
A reflective element (mirror or prism) is introduced as an intermediary between the camera and the display. The camera captures light reflected from the display surface, allowing the camera to be positioned at the display perimeter while maintaining a natural eye-line with users viewing the display. This reflective intermediary enables the camera to see what the user sees without requiring the camera to be directly in front of the user.
Solution Approach 2:
The camera positioning is moved from the traditional front-facing position to the display perimeter position, utilizing the display surface as a reflective intermediary. This dimensional change in camera placement, combined with the reflective path, allows the camera to capture natural user images while being positioned at the edge of the display rather than in front of it.
2Measurement precision
If a peripheral camera is placed on a stand in front of the display, then the camera can be positioned for image capture, but the stand blocks the end user's viewing and interferes with desktop surface usage
Solution Approach 1:
The camera is extracted from the traditional front-positioning requirement and relocated to the display perimeter. By utilizing the display surface as a reflective intermediary, the camera no longer needs to be positioned in front of the display on a stand, thereby freeing up desktop surface area and eliminating viewing obstructions while maintaining proper image capture alignment.
3Weight of moving object
If the camera housing uses plastic material, then the housing is lightweight, but the housing does not dissipate heat effectively from the small form factor
Solution Approach 1:
The housing uses a composite construction combining plastic and metal materials. The plastic portions provide lightweight structure and aesthetic appearance, while integrated metal components (such as heat sinks or thermal pathways) provide effective heat dissipation. This composite approach allows the camera to maintain a lightweight form factor while effectively managing thermal energy from the camera components.
4Measurement precision
If the camera operates at high resolution continuously, then high-quality images are captured, but the battery charge is depleted quickly
Solution Approach 1:
The camera operates with dynamic resolution adjustment based on operational context. The system can switch between high-resolution mode (when docked and connected to external power) and lower-resolution mode (when operating on battery power). This dynamic operation allows the camera to maintain high-quality image capture when power is abundant while extending battery operating time when mobile, adapting resolution quality to power availability.
5Ease of operation
If ferromagnetic material is added to the display for magnetic coupling, then the camera can be magnetically attached to the display, but the display weight increases
Solution Approach 1:
Ferromagnetic material is added only to specific localized areas of the display (such as the bezel or specific perimeter regions) rather than throughout the entire display structure. This localized ferromagnetic material provides sufficient magnetic coupling points for the camera while minimizing the overall weight increase of the display. The magnetic attachment functionality is achieved at specific locations without requiring ferromagnetic material in the entire display assembly.
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 provides a compact, high-quality camera system that extends battery life, manages thermal energy, and optimizes user appearance, addressing alignment and image quality issues while maintaining a lightweight and efficient design.
Implementation Method 1
A peripheral camera magnetically couples to a portable information handling system display panel with ferromagnetic material disposed in portions of the display
Implementation Method 2
ferromagnetic material disposed in portions of the display
Implementation Method 3
The peripheral camera includes a ring light or other illumination that selectively provides light against an end user face
Data Source
AI summary
An information handling system having a display magnetically couples a peripheral camera to the display with a ferromagnetic material disposed behind the display and a magnet included in the camera housing. A capacitive touch sensor disposed at an inner surface of the magnet detects touches made by an end user at an outer surface of the magnet. For instance, a single tap at the magnet commands capture of a still image by the camera, which is stored locally until the camera docks to receive external power and then communicated to an information handling system.