Biological Information Acquiring Device with Opposite-Direction Sensor and Display
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Solution Overview
Problem
Existing biological information acquiring devices face challenges in specifying a target location for image capturing due to the mismatch between the image capturing range and the displayed image, making it difficult to accurately position the device for effective data acquisition.
Innovation Solution
A biological information acquiring device is designed with an image capturing unit and a display unit arranged in opposite directions, ensuring the range of image capturing and the display region are at approximately the same position in a plan view, allowing for real-time video display of biological images at the same magnification, with minimal offset and synchronized frame rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the detection unit is provided physically separate from the display unit, then the device structure is simplified, but it becomes difficult to know the relationship between image capturing position and captured image
Solution Approach 1:
The patent merges the detection unit and display unit into a single integrated device. The detection unit includes both the image capturing unit and the display unit, allowing the user to view captured images directly on the display while knowing the corresponding image capturing position. This integration resolves the contradiction by maintaining simplified structure while enabling accurate position-specification operation.
Solution Approach 2:
The patent creates a visual copy relationship between the detection unit and display unit. The display unit displays captured images at the same magnification as the image capturing range, creating a direct visual correspondence that allows users to easily specify target locations without complex positioning procedures.
2Quantity of substance
If the range of image capturing is not the same as the size of displayed image, then the display can show more information, but it becomes difficult to perform work of changing image capturing position while viewing captured images
Solution Approach 1:
The patent changes the parameter of image magnification to match the display region size with the image capturing range. By setting the display magnification equal to the image capturing range, the system allows users to easily adjust and specify image capturing positions while viewing captured images, resolving the contradiction between information quantity and operational ease.
3Area of stationary object
If the display region is made larger to show more context, then the user can see more of the subject, but the offset between image capturing point and display point increases
Solution Approach 1:
The patent resolves the position alignment issue by arranging the image capturing unit and display unit in opposite directions (layered configuration). This dimensional arrangement allows the image capturing point and display point to be positioned at approximately the same location in plan view, maintaining position alignment accuracy even when the display region is made larger to show more context.
Data Source
AI summary
In a biological information acquiring device 10, a sensor module 50 captures a biological image of a subject 2. A touch panel 16 has a display region A11 formed with approximately the same size as a measurement region A13 that matches the range of image capturing of the subject 2 by the sensor module 50, and in the display region A11 a biological image is displayed at approximately the same magnification as the range of image capturing. The image capturing direction of the sensor module 50 and the display direction of the touch panel 16 are in opposite directions, and the measurement region A13 and the display region A11 are arranged in layers at about the same position in a plan view. Accordingly, a target location suitable for acquiring the biological information can be easily specified.