Eugene L Yang

Title: Innovations of Eugene L Yang

Introduction

Eugene L Yang is a notable inventor based in Fairport, NY (US). He has made significant contributions to the field of digital color printing, holding a total of 3 patents. His work focuses on enhancing print quality and correcting image distortions in printing systems.

Latest Patents

One of his latest patents is a method and apparatus for adjusting machine parameters in a printing system. This innovation involves a digital color printing system equipped with an input device, such as a joystick, which allows for real-time print quality control during a print run. The joystick is strategically placed near the output tray, enabling operators to perceive adjustments to print quality instantly. It modifies nominal electrostatic control points stored in non-volatile memory (NVM) of the printing system. While long-term process controls remain unchanged, short-term xerographic process controls can be overridden by joystick commands. In another embodiment, joystick controls are utilized to adjust electrostatic controls, including developer bias and transfer current, as well as image processing parameters like TRC curves.

Another significant patent by Yang addresses dual mode correction of image distortion in a xerographic printing system. This invention corrects image distortion caused by vibrational or speed distortions between a moving photoreceptor and an imaging device. It employs an encoder to sense the speed of the photoreceptor and the relative vibrational motion, providing electrical signals that are separated into lower and higher frequency signals. A servo motor compensates for speed variations, while an optical system pivots the projected raster lines to correct higher frequency image distortions.

Career Highlights

Eugene L Yang has built a successful career at Xerox Corporation, where he has been instrumental in developing advanced printing technologies. His innovative approaches have significantly improved the efficiency and quality of printing processes.

Collaborations

Throughout his career, Yang has collaborated with talented individuals such as Randolph Parks and Vance J Carpenter. These partnerships have fostered a creative environment that has led to groundbreaking advancements in printing technology.

Conclusion

Eugene L Yang's contributions to the field of digital printing are noteworthy, with his patents reflecting a commitment to innovation and quality. His work continues to influence the industry, showcasing the importance of advancements in printing technology.