Optical Measuring Machine Integrated Image Capture
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Solution Overview
Problem
Existing optical measuring machines require a separate photographic device for storing images, leading to variations in image quality and complicating operations, and cannot simultaneously conduct photography and measurement due to the need for a dedicated photographing unit behind the screen.
Innovation Solution
An optical measuring machine with a screen, movable stage, illuminator, detector, first and second image-forming units, and storage that outputs optical images as digital data, allowing for simultaneous measurement and storage without a separate photographic device, using a liquid crystal panel for high-fidelity image projection and a computer for accurate positional calculations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate photographic device is used to store optical images, then image storage capability is improved, but device complexity and operation complexity increase
Solution Approach 1:
The patent combines the photographic device with the optical measuring machine by integrating the image pickup device into the projection head. This merging eliminates the need for separate photographic devices and dedicated photographing units, thereby reducing device complexity while maintaining reliable image storage capability through the integrated digital image data capture system.
Solution Approach 2:
The projection head is designed to serve multiple functions: it can project optical images for measurement purposes and simultaneously capture images for storage using the integrated image pickup device. This multi-functionality eliminates the need for separate dedicated photographing units, reducing overall device complexity while ensuring reliable image storage.
2Reliability
If a dedicated photographing unit is provided behind the screen, then image storage is enabled, but the entirety of the optical image cannot be visually observed
Solution Approach 1:
The patent uses digital image data as an intermediary between the optical image and the storage system. The image pickup device captures the optical image and converts it to digital data for storage, while the original optical image remains fully visible on the screen. This intermediary approach enables both complete visual observation and reliable image storage without mutual interference.
3Reliability
If photographic images are taken with separate devices, then image storage is achieved, but image quality varies depending on photographing conditions and photographers
Solution Approach 1:
By merging the image pickup device with the projection head, the system ensures that the same optical path and imaging conditions are used for both measurement and image capture. This integration eliminates variations introduced by separate photographic devices and different photographers, ensuring consistent image quality that accurately reflects the measured object.
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 the storage of optical images without a separate photographic device, reducing image quality variations and allowing for simultaneous measurement and observation of the entire image, while maintaining high accuracy and simplicity in operation.
Implementation Method 1
an image pickup that picks up the optical image
Implementation Method 2
using a liquid crystal panel for high-fidelity image projection
Data Source
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AI summary
An optical measuring machine (1) includes a screen (11) having a reference line, a movable stage (12), a detector (121) for detecting a displacement of the stage (12), the first and second image-forming units (13, 14) for forming optical image(s) of a target object mounted on the stage (12) on the screen, and a storage (171) for storing the optical image(s). The first image-forming unit (13) includes an image pickup for picking up the optical image(s), an output unit for outputting the picked up optical image(s) in digital image data, and a projecting unit for projecting the optical image(s) on the screen (11) in accordance with the image data output by the output unit. The storage (171) stores the image data output by the output unit.