Company Filing History:
Years Active: 1982-1988
Title: The Innovations of James H. Wharton
Introduction
James H. Wharton is a notable inventor based in Indianapolis, IN, with a remarkable portfolio of 13 patents. His contributions to the field of video technology have significantly advanced the capabilities of video apparatuses, particularly in the realm of frequency adaptability.
Latest Patents
Among his latest patents, Wharton developed a "CRT filament supply for multiple frequency video apparatus." This invention allows a video apparatus to operate at different line deflection frequencies by incorporating a CRT electron gun assembly heater supply voltage circuit. This circuit maintains a constant rms voltage level, independent of the line deflection frequency. The heater supply includes a transformer winding located on the line deflection driver transformer, ensuring that the AC voltage applied to the heater circuit remains stable.
Another significant patent is the "Linearity correction for multiple frequency video apparatus." This invention features a deflection circuit that operates at multiple line rate deflection frequencies. It includes an S-shaping correction circuit that ensures proper S-shaping of the line deflection current at any operating frequency. The design incorporates a first S-shaping capacitor in series with the deflection winding and a transformer primary winding, enhancing the performance of the video apparatus.
Career Highlights
Wharton has had a distinguished career, working with prominent companies such as RCA Inc. and RCA Licensing Corporation. His work has been instrumental in developing technologies that have shaped the video industry.
Collaborations
Throughout his career, Wharton has collaborated with notable individuals, including Jack E. James and Lawrence E. Smith. These partnerships have contributed to the innovative advancements in video technology.
Conclusion
James H. Wharton is a pioneering inventor whose work has left a lasting impact on the video technology landscape. His patents reflect a deep understanding of electronic systems and their applications in modern video apparatuses.