Alfred Ketting

Title: **The Innovations of Alfred Ketting: A Pioneer in Display Technology**

Introduction

Alfred Ketting, an accomplished inventor based in Eindhoven, Netherlands, has made significant contributions to the field of display technology. With two patents to his name, Ketting's work reflects a deep understanding of electron optics and modulation techniques in visual display systems.

Latest Patents

Ketting's latest patents showcase his innovative approach to improving display devices. The first patent, titled "CRT display device comprising a filter in the cathode modulator," introduces a novel method where a phosphor screen is scanned by separate electron beams. This technology generates images of varying frequency content, all in one color, displayed in a specific area of the phosphor screen. The innovation allows the perception of composite images through the modulation of individual electron beams based on different components of an electronic image signal, with careful timing to prevent phosphor overload.

The second patent, "Picture display device provided with an electron gun, and electron gun," describes a sophisticated picture display device featuring an evacuated envelope equipped with an electroluminescent display screen. This device includes a specialized electron gun that generates and deflects electron beams to effectively produce high-quality images. The innovative electron gun utilizes a main lens system with multiple electrodes and a dynamic potential for enhanced focusing, contributing to the advancement of electron-optical technologies.

Career Highlights

Throughout his career, Alfred Ketting has been associated with the U.S. Philips Corporation, where he has collaborated on various cutting-edge projects aimed at revolutionizing display technology. His patents reflect a synthesis of knowledge and creativity that has furthered the capabilities of CRT and electroluminescent display systems, establishing him as a noteworthy figure in the industry.

Collaborations

Ketting has collaborated closely with esteemed colleagues Edwin A. Montie and Ronald Van Der Wilk. Together, they have contributed to developments in display technology, leveraging their collective expertise to push the boundaries of what is possible in visual representation.

Conclusion

Alfred Ketting's innovations in display technology have made a lasting impact on the field. His patents reveal not only his inventive spirit but also a dedication to advancing the way we experience images and video on screens. With continued research and development, Ketting's contributions will undoubtedly influence future technological advancements in display systems.