This inventor holds 6 USPTO granted patents. Top assignee: Xerox Corporation. Active years: 1993-2000.
Location History:
- Dayton, OH (US) (1993)
- Downingtown, PA (US) (1993 - 1994)
- Santa Clara, CA (US) (1998)
- Morgan Hill, CA (US) (2000)
Company Filing History:
Years Active: 1993-2000
Title: The Innovative Contributions of Robert M. Simms
Introduction
Robert M. Simms is a notable inventor based in Morgan Hill, California. He has made significant contributions to the field of electrostatographic systems, particularly in the area of toner concentration control. With a total of 6 patents to his name, Simms has demonstrated a commitment to advancing technology in printing systems.
Latest Patents
One of Simms' latest patents is focused on systems and methods for controlling toner concentration by sensing. This innovative technique utilizes electrostatic sensing to detect the toner solids concentration of a liquid toner, avoiding the common issues associated with optical transmission paths that can lead to undertoning or overtoning. By measuring the residual electric potential of a developed area on an image-bearing member, Simms has found a reliable correlation with toner solids concentration.
Another significant patent involves an electrical biasing scheme for preventing overplating in a multicolor electrostatographic system. This method and apparatus aim to eliminate undesirable background charge potentials by controlling the developer bias at a given development station. By ensuring that the voltage differential between toner particles and background areas is minimized, the electrostatic forces acting on the toner particles are insufficient to attract them to residual images.
Career Highlights
Simms has spent a considerable part of his career at Xerox Corporation, where he has been able to apply his innovative ideas and technical expertise. His work has contributed to the development of advanced printing technologies that enhance the quality and efficiency of electrostatographic systems.
Collaborations
Throughout his career, Simms has collaborated with talented individuals such as Tab Alan Tress and Dana Smith. These partnerships have allowed for the exchange of ideas and the development of groundbreaking technologies in the field.
Conclusion
Robert M. Simms is a distinguished inventor whose work has significantly impacted the printing industry. His innovative patents and contributions to electrostatographic systems continue to influence advancements in technology.