Multi-view Display Capacitive Sensing for User Input Mapping
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Solution Overview
Problem
Existing multi-user display systems face inefficiencies in content relevance and user interaction due to the need for a single image to be broadcast to multiple users, leading to cluttered and complex interfaces, as they lack the ability to accurately map user inputs to specific content displayed on a multi-view display.
Innovation Solution
Implementing a multi-view display system with a touch-screen panel using capacitive sensing to detect user inputs and determine the direction of user interactions, allowing for the mapping of user inputs to specific content displayed on the multi-view display, enabling personalized interfaces for each user without cluttering the display with unnecessary interactive elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single image is broadcast to multiple users on a conventional display, then the display can show content to all users simultaneously, but the communication efficiency drops and content relevance decreases
Solution Approach 1:
The display is segmented into multiple viewable zones with different content for different users. The system divides the single display into multiple independent content areas, each tailored to specific users based on their location, thereby improving both communication efficiency and content relevance simultaneously
Solution Approach 2:
Different regions of the display provide different content quality and types based on user location. Each user experiences customized content in their specific viewing zone, making the display adaptive to local user needs while maintaining overall system productivity
2Adaptability or versatility
If a multi-user interface is created to serve multiple users, then all users can access the display, but the interface becomes cluttered and complex
Solution Approach 1:
The user interface is segmented into separate interactive zones corresponding to different users. Each user interacts with their own simplified interface elements in their designated area, avoiding the clutter that would result from combining all user interfaces into a single space
Solution Approach 2:
Interface elements are extracted and placed only in the zones where they are needed for specific users. This removes unnecessary elements from each user's view, simplifying the interface while maintaining multi-user capability
3Ease of operation
If capacitive sensing is used to detect user inputs, then user interactions can be detected through the touch-screen panel, but determining the direction of user inputs becomes challenging
Solution Approach 1:
The system adds angular/directional measurement as an additional dimension to the capacitive sensing data. By analyzing capacitive values across multiple electrodes arranged in specific patterns, the system determines both the position and direction of user inputs, achieving precise direction determination while maintaining ease of operation
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 solution enhances content relevance and user interaction by allowing multiple users to view and interact with different content simultaneously, optimizing the display space and reducing clutter, while ensuring that each user navigates their respective content without disturbing others.
Implementation Method 1
the touch-screen panel may use capacitive sensing to detect user inputs by measuring capacitive values through the touch-screen panel
Data Source
AI summary
In one embodiment, a method includes generating, at a multi-view display, a first content to be viewed at a first angle and a second content to be viewed at a second angle. The first content and the second content are displayed simultaneously. The method also includes receiving, at a touch-screen panel coupled to the multi-view display, a first plurality of capacitive signals. The method then generates, by the touch-screen panel, a first touch-screen panel heatmap based on the received first plurality of capacitive signals. The method afterwards determines, based on the first touch-screen panel heatmap, whether a first user input is received with respect to the first content or the second content. The method then assigns, based on determining the first user input corresponds to either the first content or the second content, the first user input to the first content or the second content.