David M Zacher

Title: The Innovative Contributions of David M Zacher

Introduction

David M Zacher is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of electrostatographic reproduction technology. His innovative work has led to the development of a unique patent that enhances the efficiency of charging dielectric members in reproduction apparatuses.

Latest Patents

David M Zacher holds a patent for an "AC corona charger for an electrostatographic reproduction apparatus." This invention features a particularly configured aperiodic grid designed for a grid-controlled AC corona charger. The charger is capable of uniformly charging a dielectric member that moves along a travel path in relation to the corona charger. The design includes an insulating housing and an electrically biased grid, which has varying transparency levels. The invention utilizes a trapezoidal AC waveform with a DC offset for corona excitation, demonstrating effectiveness over a wide range of process speeds.

Career Highlights

Throughout his career, David has focused on advancing technologies related to electrostatographic reproduction. His innovative approach has led to improvements in the efficiency and effectiveness of charging mechanisms in various applications. His work is recognized for its practical implications in the industry.

Collaborations

David has collaborated with notable colleagues, including John W May and Dean R Smith. These partnerships have contributed to the development and refinement of his inventions.

Conclusion

David M Zacher's contributions to the field of electrostatographic reproduction technology exemplify the impact of innovative thinking in engineering. His patent for the AC corona charger showcases his commitment to enhancing technological processes.