David J Forrest

Title: The Innovations of David J Forrest

Introduction

David J Forrest is an accomplished inventor based in Brighton, MA (US). He has made significant contributions to the field of electrophotography through his innovative patent. His work focuses on enhancing the efficiency and effectiveness of photoconductive drums used in various applications.

Latest Patents

David J Forrest holds a patent for an "Automated stationary/portable test system for photoconductive drums." This automated test system is designed to evaluate the characteristics of photoreceptors utilized in the electrophotographic process. The system includes a retainer for holding the photoreceptor, typically in the form of a cylinder or drum, high voltage power supplies, a charging device, light sources, and non-contact electrostatic surface potential probes. The entire test system is enclosed in a light-proof cabinet. A control unit, responsive to user-defined parameters, automatically performs tests for drum substrate surface cleanliness, photoreceptor layer thickness, physical defects, and electrophotographic properties. The system features linear and circular scanning, as well as fixed adaptable systems.

Career Highlights

David J Forrest is associated with Quality Engineering Associates, Inc., where he applies his expertise in developing innovative testing solutions. His work has contributed to advancements in the field, particularly in the evaluation of photoconductive materials.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Ming-Kai Tse and Michael H Wollowitz. These collaborations have further enriched his work and contributed to the development of innovative solutions in the industry.

Conclusion

David J Forrest's contributions to the field of electrophotography through his innovative patent demonstrate his commitment to advancing technology. His work continues to influence the industry and improve the efficiency of photoconductive drum testing systems.