James E Clark

Title: The Innovative Contributions of James E. Clark in Ink Jet Printing Technology

Introduction

James E. Clark, an accomplished inventor based in Naperville, Illinois, has made significant strides in the field of ink jet printing technology. With a total of five patents to his name, Clark has developed methods and apparatuses that enhance the functionality and precision of ink jet printers. His inventive spirit and commitment to innovation have been instrumental in advancing printing solutions.

Latest Patents

Among Clark's latest innovations are two notable patents. The first is titled “Method and Apparatus for Automatic Setting of Nozzle Drive Voltage.” This inventive method accurately determines and sets the optimal nozzle drive voltage for ink jet printers. By monitoring the current carried by charged test drops with a sensing electrode and ammeter, the nozzle drive voltage is adjusted to find the ideal printing window under various operating conditions. This technology is essential in calibrating new nozzles and inks, ensuring optimal performance.

The second patent, “Method and Apparatus for Continuous Ink Jet Printing,” describes a unique system for producing a stable stream of ink drops in a continuous ink jet printer. By utilizing a hot-melt ink pressurized for continuous flow, Clark's invention creates primary drops accompanied by satellite drops through a specially generated waveform. This advancement allows for improved image formation by controlling the number of satellite drops produced, enhancing the overall quality of printed images.

Career Highlights

Clark is currently associated with Videojet Systems International, Inc., a leading company in printing technology. His work there showcases his dedication to pushing the boundaries of what is possible in the field of ink jet printing. Over the years, he has garnered respect as a thought leader and innovator, contributing to the enhancement of printing methodologies that benefit various industries.

Collaborations

Throughout his career, James E. Clark has collaborated with notable professionals in his field, including coworkers Robert I. Keur and James R. Pickell. These collaborations have enriched Clark's projects, as they combine diverse expertise and insights to refine and improve printing technologies.

Conclusion

James E. Clark's unwavering dedication to innovation and his remarkable contributions to ink jet printing technology have positioned him as a significant figure in the industry. With five patents to his name and ongoing work at Videojet Systems International, Inc., his influence is poised to shape the future of printing solutions, ensuring they remain efficient and effective for years to come.