Detection Device Dynamic Luminance Adjustment
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Solution Overview
Problem
Existing detection devices require cumbersome manual adjustments to ensure the range of brightness and darkness of light passing through an object is within their dynamic range for accurate detection.
Innovation Solution
A detection device featuring a sensor panel with two-dimensionally arranged sensors and a light source with controllable point light sources, where the luminance of the light sources is adjusted based on initial detection outputs to optimize the dynamic range in subsequent detection processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual adjustment of light intensity is performed to optimize dynamic range, then detection accuracy is improved, but operation complexity increases
Solution Approach 1:
The detection device automatically adjusts light source intensity based on feedback from sensor outputs without requiring manual intervention. The control unit receives sensor data and autonomously modifies the light intensity to optimize the dynamic range, enabling the system to self-regulate and eliminate the need for operator adjustments.
Solution Approach 2:
The system implements a feedback mechanism where sensor outputs from initial detection are used to determine subsequent light source luminance settings. The control unit continuously monitors detection results and adjusts light intensity accordingly, creating a closed-loop control system that optimizes detection accuracy dynamically.
2Ease of operation
If automated light intensity adjustment is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it manages light source activation, receives and processes sensor data, determines optimal luminance settings, and controls light intensity adjustments. By consolidating these diverse functions into a single control unit, the system achieves automation without proportionally increasing overall device complexity.
Solution Approach 2:
The patent combines the light source control functionality with the detection processing unit into an integrated system. The control unit that manages light intensity is merged with the unit that processes sensor data and determines detection parameters, reducing the number of separate components and simplifying the overall device architecture.
3Measurement precision
If multiple detection processes with adjusted luminance are performed, then measurement precision is improved, but detection time increases
Solution Approach 1:
The system dynamically adapts light intensity based on real-time sensor feedback from initial detection. Rather than performing multiple static detection passes with fixed luminance settings, the system adjusts the light intensity dynamically between detections based on the detected brightness levels, optimizing the second detection process to focus on previously under-detected regions.
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
Automates the adjustment of light intensity to ensure that the range of brightness and darkness of light passing through an object is within the detection device's dynamic range, enhancing detection accuracy and ease of use.
Implementation Method 1
a sensor panel having a detection region provided with a plurality of sensors that are arranged two-dimensionally and each of which is configured to detect light and generates an output corresponding to a degree of detected light
Implementation Method 2
a light source having a plurality of point light sources that are arranged in a light emitting region provided corresponding to the detection region
Data Source
AI summary
According to an aspect, a detection device includes: a sensor panel having a detection region provided with sensors that are arranged two-dimensionally and each of which is configured to detect light and generates an output corresponding to a degree of detected light; and a light source having point light sources that are arranged in a light emitting region provided corresponding to the detection region. Each point light source is turned on and the outputs from the sensors are received in first detection processing. Each point light source is turned on at a luminance different from the luminance in the first detection processing and the outputs from the sensors are received in second detection processing. The luminance of the point light source in the second detection processing is based on a relation between the luminance of the point light source and the outputs from the sensors in the first detection processing.