Optical Marker Turntable Alignment for 3D Body Scanners
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Solution Overview
Problem
Current 3D body scanners require complex and space-consuming mechanical setups or templates to accurately position the turntable and depth sensors for generating a 3D body model, making them cumbersome and time-consuming to set up.
Innovation Solution
A 3D body scanner design that uses a separate turntable and scanning part, where a light emitter projects optical markers on the floor to indicate the correct distance, angle, and orientation of the turntable relative to the scanning part, allowing for easy and fast adjustment without the need for auxiliary tools like measuring tapes or large templates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If complex mechanical setups or templates are used to accurately position the turntable and depth sensors, then positioning precision is improved, but device complexity and space requirements increase
Solution Approach 1:
The patent replaces complex mechanical positioning systems and physical templates with an optical alignment system. A light emitter projects optical markers (laser lines or patterns) that serve as visual guides for positioning the turntable and depth sensors, eliminating the need for cumbersome mechanical fixtures and measurement tools.
Solution Approach 2:
The patent creates a visual copy of the desired position through projected optical markers. The light emitter projects laser lines or patterns that represent the target alignment positions, allowing users to visually replicate the correct geometric relationship between components without physical templates.
2Manufacturing precision
If complex mechanical setups or templates are used to accurately position the turntable and depth sensors, then positioning precision is improved, but setup time increases
Solution Approach 1:
The optical projection system replaces time-consuming manual measurement and mechanical adjustment processes. Users simply align components with the projected light markers, dramatically reducing setup time compared to using measuring tapes, protractors, or large physical templates.
Solution Approach 2:
The alignment markers are projected in advance to show the target positions before the user makes adjustments. This preliminary visual guidance allows users to quickly understand the required positioning and make accurate adjustments without iterative trial and error.
3Manufacturing precision
If mechanical templates are used to position components, then positioning accuracy is improved, but area of stationary object increases
Solution Approach 1:
The patent replaces large physical templates with a compact light emitter that projects alignment markers. This eliminates the need for large stationary template structures, reducing the space required for setup while maintaining positioning accuracy through optical guidance.
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
Enables convenient and accurate positioning of the turntable and scanning parts, reducing setup time and space requirements, while providing optical or acoustic feedback for precise alignment.
Implementation Method 1
The second part comprises at least one light emitter (3) for projecting an optical marker (8) on a floor
Data Source
AI summary
A 3D body scanner for generating a 3-D body model includes a turntable configured and disposed for carrying a body that is to be scanned. The 3D body scanner includes a light emitter that is configured and disposed for projecting an optical marker indicating where the turntable should be situated in relation to the 3D body scanner. The 3D body scanner includes a diffuser, a feedback device and a wireless interface.