3D Scanner Integral Frame for Stable Marker Alignment

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Solution Overview

Problem

Conventional scanners face issues with cumbersome assembly and structural instability due to loose or shifted carbon fiber and metal components, affecting the stability and reliability of marker arrangements.

Innovation Solution

A scanner with an integral frame structure and embedded marker modules, where the frame is formed integrally through molding, ensuring stable and consistent marker distribution and improved structural strength.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the frame is assembled from multiple carbon fiber plates and metal pieces, then the scanner can be constructed with available components, but the assembly process becomes cumbersome and structural stability deteriorates due to loose or shifted components

Engineering Contradiction:
Improveframe assemblyVSAvoidframe structural stability
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The patent merges multiple separate components (carbon fiber plates and metal pieces) into a single integrated frame structure. The frame is designed as one unified piece that combines the functions of multiple components, eliminating the need for assembly and preventing loosening or shifting during operation. This directly resolves the contradiction by improving structural stability while maintaining ease of manufacture through integral forming.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If markers are disposed on the outer periphery of an assembled frame, then the scanner can be constructed with modular components, but the fixation of adjacent components may loosen or shift during installation, compromising marker stability

Engineering Contradiction:
Improvemodular component assemblyVSAvoidmarker fixation reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent combines the frame structure and marker mounting positions into a single integral component. The markers are fixed to the frame at predetermined locations during the frame manufacturing process itself, eliminating subsequent assembly steps. This ensures that markers maintain their precise spatial arrangement and fixation reliability, while the frame can still be manufactured using available molding techniques.

Inventive Principle:
Principle #5Merging (Combining)

3Strength

If the frame is formed as an integral structure, then structural strength and marker stability are improved, but manufacturing complexity increases

Engineering Contradiction:
Improveframe structural strengthVSAvoidframe manufacturing complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The patent changes the manufacturing parameters and process characteristics to enable integral frame formation. By selecting appropriate molding parameters, material properties, and manufacturing processes, the frame can be produced as a single complex structure without excessive manufacturing complexity. The design optimizes the balance between structural integrity and manufacturability through parameter optimization.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12518402B2Scanner and tracking three-dimensional scanner
Publication Date: 2026.01.06 SCANTECH (HANGZHOU) CO LTD
  • US12518402B2 patent drawing
  • US12518402B2 patent drawing
  • US12518402B2 patent drawing

AI summary

A scanner for a tracking three-dimensional scanning system is provided. The scanner includes a frame configured as an integral structure and defining an inner cavity and an outer periphery; and a plurality of marker modules disposed at the outer periphery of the frame and configured to be detected by a tracker in the tracking three-dimensional scanning system to obtain three-dimensional spatial coordinates of the scanner.