Endoscope Light Source Device Maintaining Color Balance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing light source devices for endoscopes face challenges in maintaining ideal color balance during illumination due to changes in light quantity, which affects the quality of observation in both normal and vascular enhancement modes.
Innovation Solution
A light source device comprising multiple light emitters, an optical system, a wavelength selective filter, and an optical sensor with an optical filter, which adjusts light quantity based on detected changes to maintain ideal color balance by using an optical sensor to monitor light emitted from one light emitter through an optical filter with a corresponding wavelength selection characteristic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If light quantity in light emitters is adjusted to achieve ideal color balance, then color balance is maintained, but device complexity increases due to additional light-receiving units and adjustment mechanisms
Solution Approach 1:
The light-receiving units are integrated into the light source device itself, allowing each light emitter to have its own feedback mechanism. The device monitors and adjusts its own light output automatically without external intervention, maintaining color balance through self-service operation.
Solution Approach 2:
Light-receiving units detect the actual light output from each light emitter and provide feedback signals. The control unit uses this feedback information to adjust the light quantity of individual emitters, creating a closed-loop feedback system that maintains ideal color balance dynamically.
2Measurement precision
If multiple light-receiving units are added to monitor each light emitter, then light quantity changes are detected accurately, but device complexity and cost increase
Solution Approach 1:
The monitoring function is segmented and distributed to individual light-receiving units, with each unit responsible for detecting light from a specific light emitter. This segmentation allows for precise localized measurement while maintaining modular architecture that simplifies overall system design.
Solution Approach 2:
The light-receiving units serve multiple functions: they detect light quantity changes, provide feedback for color balance adjustment, and enable the device to adapt to temperature variations. This multi-functionality reduces the need for separate dedicated components.
3Reliability
If light quantity changes due to temperature variations, then observation quality deteriorates due to color balance disturbance, but adding adjustment mechanisms increases device complexity
Solution Approach 1:
The control unit receives feedback from light-receiving units about temperature-induced light quantity changes and automatically adjusts the light emitter output to compensate. This feedback mechanism ensures reliable observation quality despite temperature variations without requiring complex manual intervention systems.
Solution Approach 2:
The system dynamically changes the light quantity parameter of individual emitters based on detected temperature variations. By adjusting emission parameters in response to environmental changes, the device maintains optimal observation quality under varying conditions.
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
This configuration ensures that the light source device can maintain ideal color balance even when light quantity changes, providing suitable illumination for both normal and vascular enhancement observations.
Implementation Method 1
a wavelength selective filter located on an optical path of the optical system
Implementation Method 2
an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter
Implementation Method 3
the optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter
Data Source
AI summary
A light source device includes a plurality of light emitters, an optical system configured to combine light from the light emitters, a wavelength selective filter located on an optical path of the optical system, and an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter. The optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter.