Harri Närhi

Title: Harri Närhi: Innovator in Radio Technology

Introduction

Harri Närhi is a notable inventor based in Kempele, Finland. He has made significant contributions to the field of radio technology, particularly in the development of amplifier units for two-way radio systems. With a total of 4 patents, his work showcases innovative solutions that enhance communication systems.

Latest Patents

One of Närhi's latest patents is the Masthead Amplifier Unit. This amplifier unit is designed to be placed in an antenna mast and is integral to a two-way radio system. It features two front stages that implement diversity, with each front stage comprising a receiving branch and a transmitting branch. The design allows for efficient coupling of signals between the receiving and transmitting branches, improving overall performance.

Another significant patent is the Input Arrangement for a Low-Noise Amplifier Pair. This arrangement processes the antenna signal of a radio receiver and directs it to low-noise amplifiers in parallel amplifier branches. By combining functionally different elements into physically united elements, the design reduces the number of lossy parts and enhances the accuracy of input impedance matching for the low-noise amplifiers.

Career Highlights

Throughout his career, Harri Närhi has worked with several companies, including Filtronic Comtek Oy and Powerwave Technologies, Inc. His experience in these organizations has contributed to his expertise in radio technology and innovation.

Collaborations

He has collaborated with notable coworkers such as Erkki O Niiranen and Jukka Puoskari. Their joint efforts have likely fostered advancements in the projects they have undertaken together.

Conclusion

Harri Närhi's contributions to radio technology through his patents and collaborations highlight his role as an innovator in the field. His work continues to influence the development of efficient communication systems.