Location History:
- Oulunsalo, FI (1996)
- Oulunsal, FI (1998)
- Oulu, FI (1995 - 2000)
Company Filing History:
Years Active: 1995-2000
Title: Seppo Yrjola: Innovator in Radio Frequency Filter Technology
Introduction
Seppo Yrjola is a notable inventor based in Oulu, Finland, recognized for his contributions to radio frequency filter technology. With a total of four patents to his name, he has made significant advancements in the field, particularly in the design and functionality of harmonic filters.
Latest Patents
Yrjola's latest patents include an innovative integrated filter construction that enhances the performance of radio frequency filters. This invention incorporates a harmonic filter alongside transmission line resonators to effectively filter harmonic multiples of the filter's operating frequency. The coupling to the harmonic filter is achieved through matching couplings and transmission lines, ensuring optimal performance. Another significant patent is the transmission line resonator filter with variable slot coupling and link. This invention utilizes both slot and link couplings to adjust the coupling intensity, allowing for precise control over the resonator elements.
Career Highlights
Seppo Yrjola has built a successful career at Lk Products Oy, where he continues to develop cutting-edge technologies in the field of radio frequency filters. His work has not only advanced the technical capabilities of filters but has also contributed to the broader field of telecommunications.
Collaborations
Throughout his career, Yrjola has collaborated with talented individuals such as Kimmo Koskiniemi and Panu Hagstrom. These partnerships have fostered innovation and have played a crucial role in the development of his patented technologies.
Conclusion
Seppo Yrjola's contributions to radio frequency filter technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to advancing the field and improving the functionality of communication systems.