Paul H Francois

Title: Paul H. Francois: Innovator in Optical and Magneto-Resistive Technologies

Introduction

Paul H. Francois is a notable inventor based in Tucson, AZ (US), recognized for his contributions to optical and magneto-resistive technologies. He holds a total of 3 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Francois's latest patents include significant advancements in optical disk drive technology. One of his patents focuses on "Common mode rejection control in an optical disk drive," which describes an internal routine for optimizing the common mode rejection ratio of the magneto-optic data output signal. This innovation utilizes a microprocessor to control a module that supplies calibration signals, modifying parameters based on measurements indicative of the common mode rejection ratio. This optimization corrects mismatches in optical elements and electronic data circuits.

Another notable patent is the "Method and apparatus for biasing a magneto-resistive head." This invention provides a method for biasing a non-center tapped magneto-resistive head at a constant voltage through two separate biasing stages. Each stage allows independent control over the voltage at the head's terminals, ensuring precise voltage maintenance through interconnected control devices and reference voltage sources.

Career Highlights

Paul H. Francois is currently employed at International Business Machines Corporation (IBM), where he continues to develop innovative technologies. His work has significantly impacted the fields of optical data storage and magneto-resistive applications.

Collaborations

Francois has collaborated with notable coworkers, including James A. Bailey and Anthony G. Dewey, contributing to various projects and innovations within the company.

Conclusion

Paul H. Francois exemplifies the spirit of innovation through his patents and contributions to technology. His work at IBM and his advancements in optical and magneto-resistive technologies highlight his importance in the field of invention.