Adaptive Key Scanning for Accurate Blank Identification
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Solution Overview
Problem
Existing key replication methods lack efficiency in accurately identifying the type of key blank and determining the precise cutting instructions for replicating keys, due to variations in key shapes and sizes, leading to potential inaccuracies in key scanning and replication.
Innovation Solution
A key scanning apparatus comprising a platform, motor, camera, light source, and processor that adjusts positions to capture images of the key, identifies the key blank type, and determines cutting instructions based on image analysis, enabling precise replication by simulating the reconstruction of the key's edge and comparing it with stored key blank profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a camera captures images of the key at a fixed position, then the device structure is simple, but the accuracy of key feature detection deteriorates due to variations in key shapes and sizes
Solution Approach 1:
The platform is made adjustable in position to dynamically adapt to different key heights. The motor controls the platform to move vertically, allowing the key to be positioned at the optimal height for image capture. This dynamic adjustment resolves the contradiction by enabling accurate feature detection across various key types without requiring a complex multi-position fixed structure.
Solution Approach 2:
The system changes the positional parameter of the platform based on detected key height data. By retrieving height data and adjusting the platform position accordingly, the system adapts to different key dimensions, maintaining measurement precision while keeping the overall device structure relatively simple.
2Measurement precision
If the platform position is adjusted for each key, then the accuracy of image capture improves, but the time required for key scanning increases
Solution Approach 1:
The system performs preliminary detection of key height data before adjusting the platform position. By first capturing height information and then using this data to pre-position the platform, the system minimizes the time required for actual image capture while maintaining accuracy. This preliminary measurement approach reduces unnecessary time loss.
Solution Approach 2:
The system uses feedback from detected key height data to automatically adjust the platform position. The processor retrieves height data, calculates the appropriate platform position, and controls the motor to move the platform to that position. This closed-loop feedback mechanism streamlines the adjustment process, reducing time loss while ensuring accurate image capture.
3Adaptability or versatility
If multiple components (platform, camera, light source) are adjusted independently, then the adaptability to different key types improves, but the device complexity increases
Solution Approach 1:
The adjustable platform serves multiple functions: it supports the key during detection, positions the key at the optimal height for image capture, and maintains the key in a stable position during scanning. This multi-functionality reduces the need for separate components, thereby reducing device complexity while maintaining adaptability to different key types.
Solution Approach 2:
The system combines the platform adjustment mechanism with the key support function into a single integrated component. By merging these functions, the system reduces the number of independent components and control systems needed, simplifying the overall device structure while maintaining the ability to adapt to various key types through platform position adjustment.
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 apparatus ensures accurate identification of key blanks and precise cutting instructions, enhancing the efficiency and accuracy of key replication by capturing detailed images and analyzing key features to match with stored profiles, thereby improving the replication process.
Implementation Method 1
at least one light source arranged to emit a beam of light towards the key located on the platform
Implementation Method 2
a camera arranged to capture at least one image of the key located on the platform
Data Source
AI summary
A key scanning apparatus is provided. The key scanning apparatus comprises: a support arranged to support a key; a camera arranged to capture at least one image of the key supported by the support; at least one light source arranged to emit a beam of light towards the key supported by the support; and at least one processor configured to cause, based on data associated with the key, adjustment of at least one of: a position of the support, the camera, or a position of the light source. The support may be a platform. The light source may be a laser.