Company Filing History:
Years Active: 1976-1988
Title: Leonard Dietch: Innovator in Cathode Ray Tube Technology
Introduction
Leonard Dietch is a notable inventor based in Skokie, Illinois, recognized for his contributions to the field of cathode ray tube technology. With a total of nine patents to his name, Dietch has made significant advancements that have influenced the design and functionality of color cathode ray tubes.
Latest Patents
One of Dietch's latest patents is for a front assembly for an ultra-high resolution color cathode ray tube. This invention features a shadow mask with circular apertures at the center and increasingly elongated apertures at the periphery. This design effectively reduces distortion caused by diffraction effects during photoscreening, allowing for phosphor deposits that are compatible in size and shape with the electron beamlets. The invention can be applied to various tube types, including conventional curved-screen tubes and flat faceplate tubes. Another significant patent involves a support means for a tensioned foil shadow mask, which includes a ceramic support structure that maintains the mask at a predetermined distance from the phosphor screen.
Career Highlights
Throughout his career, Leonard Dietch has worked with prominent companies such as Zenith Electronics Corporation and Zenith Radio Corporation. His work in these organizations has contributed to the development of innovative technologies in the electronics industry.
Collaborations
Dietch has collaborated with notable individuals in his field, including James R. Fendley and Paul Strauss. These partnerships have likely fostered an environment of creativity and innovation, leading to the successful development of his patents.
Conclusion
Leonard Dietch's contributions to cathode ray tube technology have left a lasting impact on the industry. His innovative patents demonstrate his expertise and commitment to advancing electronic display technology.