Louis V Ruffino

Title: Louis V Ruffino: Innovator in Stylus Detection Technology

Introduction

Louis V Ruffino is a notable inventor based in Potomac, MD (US). He has made significant contributions to the field of display technology, particularly in stylus detection systems. His innovative approach has led to the development of a unique patent that enhances user interaction with graphic input devices.

Latest Patents

Ruffino holds a patent for a "Minimum parallax stylus detection subsystem for a display device." This invention introduces a three-phase operation for stylus detection. In the first phase, the stylus is positioned at a distance from the display, resulting in no cursor representation. The second phase activates when the stylus is within a threshold distance, generating a cursor image that accurately reflects the stylus's position. Finally, in the third phase, when the stylus is in close proximity, the cursor image is removed, allowing the operator to see the actual trace of the stylus path on the graphic input grid overlay. This innovative design minimizes parallax error, enhancing the accuracy of user input.

Career Highlights

Ruffino is associated with the International Business Machines Corporation (IBM), where he has contributed to various projects and innovations. His work has been instrumental in advancing the capabilities of display devices and user interfaces.

Collaborations

Throughout his career, Ruffino has collaborated with notable colleagues, including Evon C Greanias and Karl F Schroeder. These partnerships have fostered a creative environment that has led to significant advancements in technology.

Conclusion

Louis V Ruffino's contributions to stylus detection technology exemplify the impact of innovative thinking in the tech industry. His patent not only enhances user experience but also sets a precedent for future developments in display technology.