Location History:
- Carlton on Otmoor, GB (1988)
- Charlton on Otmoor, GB (1989)
Company Filing History:
2 out of 138 
2 out of 125 Years Active: 1988-1989
Title: The Innovations of Edmund K Tunstall
Introduction
Edmund K Tunstall is a notable inventor from Carlton on Otmoor, GB. He has made significant contributions to the field of electronics, particularly in the development of amplifying arrangements using klystrons. With a total of 2 patents to his name, Tunstall's work has had a lasting impact on technology.
Latest Patents
Tunstall's latest patents include innovative amplifying arrangements. One of his patents describes an amplifying arrangement that incorporates a klystron, where an electron beam interacts with a high-frequency signal to produce a modulated amplified signal. This arrangement maintains the high-frequency signal at a substantially constant amplitude, while modulation of the amplified signal is achieved by controlling the electron beam current. Another patent focuses on klystrons, which are inherently non-linear and have an amplification characteristic that is frequency-dependent on both signal amplitude and beam current. Tunstall's invention compensates for this by applying suitable correcting signals to a beam-controlling electrode of the klystron, thereby adjusting its electron beam current over the entire range of a modulating signal. This klystron arrangement is particularly suitable for use in television transmitters, significantly improving the operating efficiency of the klystron.
Career Highlights
Throughout his career, Tunstall has worked with prominent companies such as the British Broadcasting Corporation and English Electric Valve Company Limited. His expertise in electronics and amplifying technologies has made him a valuable asset in these organizations.
Collaborations
Tunstall has collaborated with notable individuals in his field, including Roy Heppinstall and George I Tupper. Their combined efforts have contributed to advancements in electronic technologies.
Conclusion
Edmund K Tunstall's contributions to the field of electronics, particularly through his innovative patents, have played a crucial role in advancing technology. His work continues to influence the industry today.