Projector-Based Marker Projection for Cutting Plotter Position Accuracy
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Solution Overview
Problem
Cutting plotters face difficulties in accurately changing cutting or printing conditions due to reduced pattern size on the display, leading to complex operations and potential misinterpretation of changed cutting positions, requiring a more intuitive method for users to set and check processing conditions.
Innovation Solution
An apparatus comprising an information obtaining device, a projector, a processing device, and a control device that allows users to specify designated positions on an object, adjust pattern size based on these positions, project markers onto the object to indicate new positions, and control the processing device for precise cutting or printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the pattern is displayed in a reduced size on the display, then the display can show the pattern within its limited size, but the user cannot correctly understand the changed cutting position
Solution Approach 1:
The patent introduces a projector as an intermediary device that projects the pattern onto the object itself. This allows the pattern to be displayed at its actual size on the object surface, enabling users to accurately understand cutting positions while the display only needs to show reduced-size control interfaces. The projector acts as a mediator between the control system and the physical object, resolving the contradiction between display size limitations and position accuracy requirements.
Solution Approach 2:
The patent transitions the pattern display from a two-dimensional display screen to a three-dimensional projection on the object surface. By moving the pattern representation to another dimension (the object surface), the system can show the pattern at full scale with accurate spatial relationships, while the display maintains its reduced-size interface for control operations.
2Adaptability or versatility
If multiple operation switches are provided on the cutting plotter, then various processing conditions can be controlled, but the operation becomes complicated
Solution Approach 1:
The patent uses a touch panel that displays visual representations of processing conditions and patterns, allowing users to select and modify parameters through graphical interaction rather than multiple physical switches. The touch panel creates a visual copy of the control interface that is more intuitive and easier to operate, maintaining full control capabilities while reducing operational complexity.
Solution Approach 2:
The patent replaces the mechanical switch-based control system with an electronic touch panel interface. This substitution eliminates the need for multiple physical switches while maintaining all processing condition control capabilities, significantly improving ease of operation through graphical user interaction.
Data Source
AI summary
An apparatus includes an information obtaining device configured to obtain information representing an optionally designated position on an object, a projector, a processing device, a pattern specifying device and a control device. The control device is configured to cause the apparatus to specify two designated positions on an object based on information obtained by the information obtaining device, to change a size of a specified pattern according to a distance between the specified designated positions, to cause the projector to project a marker onto the object in a size matched with the changed size of the pattern, based on the specified designated positions on the object, to determine a cutting or printing position of the pattern based on the specified designated positions on the object and to control the processing device to perform cutting or printing of the pattern in the changed size at the determined cutting or printing positions.