Paper-Sheet Recognition Apparatus with Dynamic Wavelength Emission Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional paper-sheet recognition apparatuses lack flexibility in acquiring images of varying resolutions and wavelengths, leading to decreased accuracy in high-resolution recognition and inability to freely control light wavelengths and timings, limiting their applicability.
Innovation Solution
A paper-sheet recognition apparatus with light emitting units emitting different wavelengths, an emission controller to adjust the number of light emissions per cycle based on desired information, and a processor for recognizing the paper sheet using optical signals, allowing for flexible image acquisition tailored to specific purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple light emitting units with different wavelengths illuminate alternately to read images, then images of different wavelengths can be acquired, but the resolution is limited and cannot be freely adjusted based on recognition requirements
Solution Approach 1:
The patent applies dynamics by making the emission cycle configurable and adjustable based on recognition requirements. The emission cycle is no longer fixed but can be dynamically changed to accommodate different recognition scenarios, allowing the system to adapt between high-resolution and low-resolution modes as needed.
Solution Approach 2:
The patent changes the parameter of emission cycle configuration to resolve the contradiction. By allowing the emission cycle to be set differently for each light emitting unit, the system can optimize resolution for specific wavelengths while maintaining flexibility for different recognition purposes, directly addressing both the adaptability and precision requirements.
2Measurement precision
If the emission cycle is fixed for all light emitting units, then the system is simple to control, but the resolution and image quality cannot be optimized for specific recognition needs
Solution Approach 1:
The control mechanism transitions from static (fixed emission cycle for all units) to dynamic (configurable emission cycles per unit). This allows the system to optimize image resolution for specific recognition needs while maintaining a relatively simple control structure through program-based configuration rather than complex hardware control.
Solution Approach 2:
The patent changes the emission cycle parameter individually for each light emitting unit based on recognition requirements. This parameter change approach allows optimization of image quality without requiring complex control mechanisms, as the changes are implemented through configurable emission patterns rather than hardware complexity.
3Measurement precision
If all light emitting units emit the same number of times per cycle, then the control is uniform and simple, but high-resolution images cannot be selectively acquired for specific recognition purposes
Solution Approach 1:
The patent applies parameter changes by allowing different emission cycle configurations for different light emitting units. This enables the system to acquire high-resolution images when needed for specific recognition purposes while maintaining ease of operation through program-based control that can be adjusted without complex manual intervention.
Solution Approach 2:
The emission control becomes dynamic and adaptable to different recognition scenarios. The system can selectively increase the number of emissions for specific wavelengths when high resolution is required, while maintaining simpler emission patterns for other wavelengths, thus balancing recognition accuracy with operational simplicity.
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 acquisition of images with increased resolution and flexibility, enhancing the accuracy of paper-sheet recognition and processing capabilities according to the specific requirements of the paper sheets being recognized.
Implementation Method 1
luminous bodies such as light emitting diodes (LEDs) of a plurality of types that emit lights of different wavelengths
Implementation Method 2
a light receiving unit that receives a component of light, which has been emitted from the light emitting unit and then reflected from and/or transmitted through the paper sheet
Data Source
AI summary
A paper-sheet recognition apparatus that acquires information from a paper sheet and recognizes the paper sheet based on the information. The apparatus includes one or more light emitting units that output first to n-th lights (n≧2) of different wavelengths; an emission controller that performs emission control of the light emitting units; a light receiving unit that receive a component of a light, which has been emitted from the light emitting unit and then reflected from and/or transmitted through the paper sheet; and a paper-sheet recognition processor that recognizes the paper sheet by using an optical signal received by the light receiving unit. The emission controller performs the emission control of the light emitting units such that the number of light emissions per one emission cycle with respect each of to the first to n-th lights differs depending on information desired to be used in recognizing the paper sheet.