Optical Writing Device Curved Image Carrier Exposure Control
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Solution Overview
Problem
Existing optical writing devices for image carriers, such as those used in multi-functional peripherals, face issues where the mode of imaging changes due to varying positions of light-emitting elements, leading to deterioration of the electrostatic latent image formed on the image carrier.
Innovation Solution
An optical writing device with a control circuit that adjusts the angle and distance of light from multiple light-emitting element groups relative to the image carrier, ensuring consistent imaging by compensating for positional differences and maintaining high resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple light-emitting elements with different positions are used to expose the curved surface of the image carrier, then the coverage area and imaging capability are improved, but the imaging mode changes with relative positions causing deterioration of the electrostatic latent image
Solution Approach 1:
The patent applies local quality by adjusting the emission characteristics of each light-emitting element according to its specific position relative to the image carrier. Each light-emitting element is configured with different emission angles or distances to compensate for its positional variation, ensuring that all elements produce consistent imaging modes on the curved surface regardless of their location.
2Adaptability or versatility
If light-emitting elements are positioned at different distances from the image carrier, then the imaging coverage is expanded, but the photosensitive mode of the image carrier changes leading to electrostatic latent image deterioration
Solution Approach 1:
The patent implements dynamics by making the light-emitting elements adjustable in terms of their emission angles or distances. The system can dynamically adapt the parameters of each light-emitting element based on its position, allowing the imaging mode to remain consistent across different coverage areas while maintaining precise control over the photosensitive mode of the image carrier.
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
Prevents deterioration of the electrostatic latent image by ensuring that the imaging mode is consistent and data-dependent, thereby improving image quality and resolution.
Implementation Method 1
an exposer that exposes a curved surface of the image carrier, and a control circuit that controls the exposer, wherein the exposer includes a plurality of light-emitting element groups
Data Source
AI summary
An optical writing device includes: an image carrier; an exposer that exposes a curved surface of the image carrier; and a control circuit that controls the exposer, wherein the exposer includes a plurality of light-emitting element groups having different positional relationships from one another with the image carrier, and has a configuration that is adjusted in accordance with at least one of an angle at which light reaching the curved surface of the image carrier from each light-emitting element group enters the image carrier, and a distance of each light-emitting element group from the image carrier.