E Dawson Ward

Title: E Dawson Ward: Innovator in Scanning and Imaging Technologies

Introduction

E Dawson Ward is a notable inventor based in Richmond, KY (US), recognized for his contributions to the field of scanning and imaging technologies. With a total of 2 patents, he has made significant advancements that enhance the efficiency and quality of printing systems.

Latest Patents

Ward's latest patents include innovative technologies such as "Galvonometric scanning and imaging with multiple beams reflected from an oscillator." This invention utilizes multiple light beams reflected by a resonant oscillator through an optical system onto light-sensitive drums of a printing system. Information is encoded onto the beams, allowing for the printing of images based on this encoded information. The design preferably employs four beams and four drums to produce four colors. The oscillator features an oscillating plate mounted on torsion springs for resonant oscillation, with a magnet that creates an oscillating magnetic field. Sensors are integrated to detect the position of at least one light beam, ensuring synchronization among the encoder, drums, and oscillator.

Another significant patent is "Scanning with multiple oscillating scanners." This invention provides a method and device for managing a scanning system that incorporates multiple oscillating scanners. The preferred embodiment involves determining a resonant frequency for each scanner and generating a drive signal based on these frequencies. An amplitude adjustment circuit is employed to equalize the scan amplitude of each scanner, ensuring they operate in tandem.

Career Highlights

E Dawson Ward is currently associated with Lexmark International, Inc., where he applies his expertise in developing cutting-edge imaging technologies. His work has contributed to the advancement of printing systems, making them more efficient and versatile.

Collaborations

Throughout his career, Ward has collaborated with notable colleagues, including Roger Steven Cannon and Craig Palmer Bush. These partnerships have fostered innovation and the development of new technologies in the field.

Conclusion

E Dawson Ward's contributions to scanning and imaging technologies have significantly impacted the printing industry. His innovative patents reflect a commitment to enhancing the efficiency and quality of imaging systems.