Company Filing History:
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Years Active: 1976-1993
Title: Wilhelm Tschol: An Innovator in AM Radio Technology
Introduction
Wilhelm Tschol, hailing from Fislisbach, Switzerland, is a distinguished inventor known for his significant contributions to the field of radio technology. With an impressive portfolio of four patents, Tschol has made noteworthy advancements in amplitude modulation, particularly in AM radio transmitters.
Latest Patents
Among Tschol's latest innovations is the "AM radio transmitter with a final stage tetrode." This patent focuses on a high-power AM radio transmitter that utilizes a low voltage tetrode with a direct current plate voltage of less than 10 kV. The design achieves an impressive plate efficiency exceeding 80%, facilitating a compact transmitter design while maintaining overall efficiency.
Another standout patent is his "Amplitude modulated broadcast transmitter." This invention incorporates a switching amplifier as the main modulator, along with an additional modulator in the radio frequency circuit. This innovative approach allows for 100% steady modulation at modulation minima, ensuring the carrier signal is effectively modulated. A delay circuit and correction circuit are integral to the LF signal needed for controlling this additional modulator.
Career Highlights
Tschol's career boasts collaborations with notable companies including Patelhold Patentverwertungs & Elektro-Holding AG and BBC Brown Boveri AG. His work in these organizations has contributed significantly to the development of advanced radio technology.
Collaborations
Throughout his career, Wilhelm Tschol has collaborated with skilled professionals such as Bohumil Kyrian and Johann Ferdinand Milavec. These partnerships have enriched his inventive pursuits and have led to the successful development of groundbreaking radio technologies.
Conclusion
In conclusion, Wilhelm Tschol is a prominent figure in the realm of radio technology, recognized for his innovative patents in AM radio transmitters. His dedication to advancing the field and collaboration with esteemed companies and colleagues have solidified his reputation as a leading inventor in the industry.