Interactive Simulated-Globe Display System with Optical Pointer
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Solution Overview
Problem
Current simulated-globe display systems are complex and costly, making them unsuitable for use with simple equipment, and lack interaction and control features, resulting in static three-dimensional images with blind spots.
Innovation Solution
An interactive simulated-globe display system utilizing a hemispheric surface, image-projecting units, a data processing unit, an optical pointer, and image-capturing units that project and detect images to create an interactive, immersive experience without blind spots, allowing users to control and interact with the three-dimensional image using wireless instructions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple projectors and complex projection systems are used to create three-dimensional globe images, then the imaging quality and three-dimensional effect are improved, but the device complexity and cost increase significantly
Solution Approach 1:
The patent uses a single projector to project images onto a transparent spherical shell, creating a three-dimensional globe effect through optical copying rather than requiring multiple physical projectors. The transparent shell acts as a medium that copies and distributes the projected image across the spherical surface, achieving three-dimensional visualization with simplified equipment.
Solution Approach 2:
The patent employs a transparent spherical shell as the projection medium, which allows light to pass through and creates the three-dimensional globe image when viewed from the outside. This thin film approach replaces complex multi-projector systems with a simple transparent enclosure that achieves the desired optical effect.
2Manufacturing precision
If traditional projection systems are used to display three-dimensional globe images, then the imaging effect is achieved, but the system lacks interaction and control capabilities
Solution Approach 1:
The patent incorporates sensors that detect the position of pointers or indicators on the spherical shell and provide feedback to the control system. This allows the system to respond to user interactions, enabling users to control and query information about specific regions of the globe by pointing at them, thereby adding interactivity to the visualization system.
Solution Approach 2:
The patent introduces a control system as an intermediary between the projection system and the user interactions. The control system processes sensor data from pointer positions and coordinates with the projection system to display relevant information, mediating between the physical interaction and the digital content display.
3Loss of information
If complex multi-projector systems are deployed to achieve complete globe coverage, then the imaging completeness is improved, but the cost and ease of manufacture deteriorate
Solution Approach 1:
The transparent spherical shell provides a complete geometric enclosure that, when combined with a single projector, achieves full 360-degree viewing capability. The spherical geometry naturally distributes the projected image across all surfaces, eliminating the need for multiple projectors to cover different regions while maintaining manufacturing simplicity.
Solution Approach 2:
The patent uses a spherical projection surface instead of flat screens or segmented surfaces. The curved spherical geometry allows a single projector to cast images that wrap around the entire globe, providing complete coverage without requiring multiple projection units positioned at different locations.
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 system enables low-cost, interactive, and immersive three-dimensional globe simulations using simple equipment, allowing users to engage with the image without blind spots, enhancing educational experiences in settings like classrooms.
Implementation Method 1
The optical pointer functions in projecting an indicated spot onto the external hemispheric surface of the imaging body
Implementation Method 2
projecting N images onto the external hemispheric surface of the imaging body through the N image-projecting units where the N images constitute a hemi-globe image
Data Source
AI summary
The invention discloses an interactive simulated-globe display system including an imaging body, N image-projecting units, a data processing unit, an optical pointer, and M image-capturing units where N and M are respectively a natural number. The N image-projecting units project N images onto an external hemispheric surface of the imaging body. The N images constitute a hemi-globe image of a whole globe image. The data processing unit detects an indicated spot projected on the external hemispheric surface by the M image-capturing units, judges if a track relative to the indicated spot meets one of a plurality of position input rules, and if YES, executes an instruction corresponding to said one position input rule.