Location History:
- Rochester, NY (US) (1992)
- Fairport, NY (US) (1994)
Company Filing History:
Years Active: 1992-1994
Title: John L Zanghi: Innovator in Raster Technology
Introduction
John L Zanghi is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of raster technology, holding 2 patents that showcase his innovative approach to solving complex problems in imaging systems.
Latest Patents
Zanghi's latest patents include a "Method and apparatus for the automatic calibration of an analog raster." This invention provides a method for automatically monitoring the output intensity of an analog raster output scanning (ROS) system. It includes the capability to recognize when the output intensity is outside a predetermined tolerance range, allowing the system to recalibrate automatically to achieve the desired linear transformation from the input image greyscale intensity to the ROS exposure intensity. Another significant patent is the "Method and apparatus for reducing pixel clock jitter in a laser scanner." This invention involves an apparatus and method for reducing pixel clock jitter in a raster scanner. It utilizes an oscillator to generate a pixel clock signal and a start of scan sensor to produce a start of scan signal. The method includes generating an inverted pixel clock signal and an inverted start of scan signal, selecting the appropriate signal based on proximity to the start of scan signal.
Career Highlights
Zanghi has had a distinguished career at Xerox Corporation, where he has applied his expertise in imaging technology. His work has contributed to advancements in the efficiency and accuracy of raster scanning systems.
Collaborations
Throughout his career, Zanghi has collaborated with talented individuals such as Timothy M Hunter and Joseph Chiang. These collaborations have further enhanced the innovative solutions he has developed.
Conclusion
John L Zanghi's contributions to raster technology through his patents and work at Xerox Corporation highlight his role as a significant innovator in the field. His inventions continue to influence advancements in imaging systems.