Juergen Lein is a notable inventor based in West Henrietta, NY (US), recognized for his contributions to scanning technology. With a total of three patents to his name, Lein has made significant advancements in the field, particularly in the design and functionality of color scanners.

Latest Patents

One of Juergen Lein's latest patents is a low-cost color scanner. This innovative device features a commonly mounted and driven original scanning table along with an LED dot generator exposure source. The scanning process is achieved by illuminating a strip of original artwork with high-intensity fluorescent light. The illuminated strip is then detected through a linear scanning aperture, lens, and color filter wheel using a charge-coupled device (CCD) linear detector. The original artwork is held in place by vacuum against a flat receiving surface, while photosensitive material is automatically loaded and held by vacuum onto a rotating exposure drum. This drum is mounted parallel to the direction of travel of the LED dot generator exposure source. The exposed halftone film is automatically removed from the drum surface and loaded into a transfer cartridge. A key advantage of this invention is the ability to average multiple linear scans to reduce color fringe effects. Additionally, the photosensitive material can be loaded and unloaded from the exposure drum during daylight operation.

Another significant patent by Lein is an automatic vacuum feed and hold-down assembly for a camera system. This system includes a transport belt with vacuum grippers, a peripheral vacuum channel surrounding the platen, and a lead edge blow apparatus. The transport belt is made of polyester fabric selectively coated with plastisol sealant, defining a window area that is smaller than the platen. In operation, a lifting apparatus raises the belt away from the exposed photosensitive sheet on the platen. The natural curl of the sheet, combined with the lead edge blow, facilitates the release of the sheet from the platen. The lifting apparatus then lowers the belt, reapplying suction to the grippers, allowing the belt and sheet to be raised and advanced for processing.

Career Highlights

Throughout his career, Juergen Lein has worked with several companies, including Itek Graphix Corp. and Itek Graphic Corp. His experience in these organizations has contributed to his expertise in developing innovative scanning technologies.

Collaborations

Juergen Lein has collaborated with notable individuals in the industry, including Michael A Brookmire

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