Multi-Host Touchscreen Zoning for Concurrent Device Control
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Solution Overview
Problem
Conventional touchscreen devices are limited to displaying input from a single source at a time, preventing concurrent viewing and interaction with multiple sources.
Innovation Solution
A touchscreen device configured to use a single display as a user interface for controlling multiple computing devices by dividing the display into zones and scaling data from each device for simultaneous presentation, allowing touch inputs to be directly interpreted and sent to the appropriate source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple touch screens are mounted in a stacked configuration to enable multi-host functionality, then the system can support multiple computing devices, but the z-height of the display assembly increases
Solution Approach 1:
The patent implements nesting by placing the first touch screen assembly and second touch screen assembly in a stacked configuration where one assembly is positioned within the z-space of the other. The support structure integrates both assemblies vertically, with the first assembly mounted to the front surface and the second assembly mounted to the rear surface, effectively nesting multiple functional layers within a compact volume.
Solution Approach 2:
The patent transitions from a planar single-host configuration to a three-dimensional stacked configuration by utilizing the z-dimension (depth axis). This dimensional change allows multiple touch screens to be arranged vertically rather than horizontally, enabling multi-host functionality while controlling the overall footprint and z-height through strategic mounting surface selection.
2Length of moving object
If touch screens are stacked to reduce z-height, then the display becomes more compact, but access to rear-mounted components becomes difficult
Solution Approach 1:
The patent segments the display assembly into distinct functional zones: the first touch screen assembly mounted to the front surface for primary interaction, and the second touch screen assembly mounted to the rear surface for secondary functions. This segmentation allows each assembly to be independently accessed and serviced from its respective side, maintaining ease of operation despite the compact stacked configuration.
Solution Approach 2:
The support structure acts as an intermediary element that facilitates access to rear-mounted components. By providing a structured mounting framework on the rear surface, it enables technicians to access and service the second touch screen assembly and associated components without disassembling the entire display unit, thus maintaining serviceability in the compact design.
3Productivity
If multiple assemblies are integrated into a single support structure, then manufacturing efficiency improves, but the structural design becomes more complex
Solution Approach 1:
The support structure is designed as a universal platform that performs multiple functions: it provides mechanical support for both the first and second touch screen assemblies, enables mounting to either front or rear surfaces, and facilitates integrated manufacturing. This multi-functionality allows a single structural design to accommodate various assembly configurations, improving manufacturing efficiency without proportionally increasing design complexity.
Data Source
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AI summary
An example multi-zone touchscreen device is configured to receive multiple feeds of touchscreen display data from different respective data sources. The touchscreen device scales the respective feeds of touchscreen display data for concurrent display in predefined regions of a touch-sensitive display. The touchscreen device receives a touch input in one of the predefined regions of the touch-sensitive display and applies a reverse scaling to the selected touchscreen display data to determine a location of the selection in the original data feed. The touchscreen device then communicates the location of the selection to the source of the original data feed.