LED Array Image Writing Apparatus for Serrated Line Correction

The patent applies dynamics by alternating the transfer sequence between even and odd pixel data dynamically during the scanning process. Instead of a fixed sequential transfer, the system switches between transferring even pixel data and odd pixel data in alternating cycles, allowing the data transfer process to adapt and balance the lighting timing for different pixel positions, thereby reducing serration in inclined line images.

The patent implements periodic action by repeating the alternating transfer process of even and odd pixel data across multiple cycles. Each cycle transfers even pixel data followed by odd pixel data, and this pattern repeats periodically throughout the scanning process. This periodic alternation ensures consistent balancing of lighting intervals for all pixel pairs, improving aspect ratio fidelity through systematic repeated action.

The patent applies local quality by differentiating the lighting control for even and odd pixel data. Instead of uniformly extending lighting time for all pixels, the system specifically adjusts the lighting intervals for even pixel data and odd pixel data separately. This localized adjustment allows each pixel type to receive optimized lighting duration tailored to its transfer timing, improving aspect ratio without uniformly increasing overall image density.

The patent implements parameter changes by modifying the lighting interval parameter dynamically based on the pixel data type being transferred. The system changes the timing parameters for LED activation, extending lighting time selectively for even and odd pixel data during their respective transfer windows. This parameter adjustment optimizes the effective lighting duration for aspect ratio improvement while controlling overall exposure to prevent excessive density increase.