John H Coult

Title: The Innovations of John H. Coult

Introduction

John H. Coult is a notable inventor based in Chicago, IL, recognized for his contributions to the field of cathode ray tube technology. With a total of 2 patents, Coult has made significant advancements that enhance the functionality and efficiency of color cathode ray tubes.

Latest Patents

Coult's latest patents include a "Method of manufacturing a tied slit mask CRT" and a "Tied slit mask for color cathode ray tubes." Both patents describe a slit-type foil tension mask and associated front assembly for color cathode ray tubes. The design comprises a series of parallel strips separated by slits, which are loosely coupled by widely spaced ties. This innovative approach promotes handleability during fabrication and facilitates damping of strip vibration when mounted in a tube. Importantly, the design ensures that the mask does not experience unacceptable Poisson contraction or thermal expansion, maintaining its integrity during operation.

Career Highlights

John H. Coult has had a distinguished career at Zenith Electronics Corporation, where he has applied his expertise in developing advanced technologies for electronic displays. His work has contributed to the evolution of cathode ray tube design, making it more efficient and reliable.

Collaborations

Throughout his career, Coult has collaborated with notable colleagues, including Robert J. Adler and Paul Strauss. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the field.

Conclusion

John H. Coult's contributions to the field of cathode ray tube technology through his patents and work at Zenith Electronics Corporation highlight his role as a significant inventor. His innovative designs continue to influence the industry and pave the way for future advancements.