Company Filing History:
Years Active: 1981
Title: **Theodore M Ishihara: Innovator in Cathode Ray Technology**
Introduction
Theodore M Ishihara, based in Chicago, IL, is a notable inventor with a significant contribution to television technology. As an innovator at Zenith Radio Corporation, he holds a patent that has enhanced the performance and reliability of cathode ray tube (CRT) sockets, safeguarding television receivers from potential damage.
Latest Patents
Ishihara's sole patent is titled "Cathode ray tube socket with controlled spark gaps." This invention focuses on a cathode ray tube socket assembly that incorporates controlled spark gaps. These gaps couple the high voltage focus grid system to ground, effectively preventing television receiver damage caused by CRT arc-over. By utilizing a high voltage spark gap connected to the CRT's G.sub.4 focusing grid and a lower voltage spark gap associated with G.sub.3 focusing grids, his design optimizes the safety and performance of CRTs. A distinctive feature of his invention is the ridged sections defining an inter-electrode aperture, which allows for precise control of the spark gap's arc-over threshold voltage and breakdown voltage, ranging from initial arc-over to continuous corona discharge.
Career Highlights
Theodore M Ishihara's career at Zenith Radio Corporation stands out for his role in developing vital components that contribute to the advancement of television technology. His expertise in electrical engineering and his innovative approach have proven valuable in an industry that continually evolves and seeks improved safety standards and performance.
Collaborations
During his tenure at Zenith Radio Corporation, Ishihara collaborated with fellow inventor John F Kulkens. This partnership likely allowed for the exchange of ideas and technical insights, fostering a productive environment for innovative problem-solving within the realm of electronics.
Conclusion
Theodore M Ishihara is a remarkable figure in the field of television technology, with a specific focus on cathode ray tube innovations. His patent for a CRT socket with controlled spark gaps represents a significant step forward in protecting electronic devices from potential hazards, ensuring a better viewing experience for consumers. Through his work, Ishihara continues to influence the future of television technology and engineering excellence.