Matti Liikamaa

Title: Matti Liikamaa: Inventor of Radio-Frequency Filter Innovations

Introduction

Matti Liikamaa is an inventor associated with Bromma, Sweden, and Telefonaktiebolaget LM Ericsson. His work includes inventions related to LC filters and cavity filters, with 2 patents listed in the provided information.

Latest Patents

“Apparatus for Improving Communication Systems” describes a single-piece center conductor for an LC filter, designed to connect directly with a connector. The invention aims to improve the connection’s performance by reducing intermodulation interference, increasing contact area, enabling accurate fastening, and simplifying assembly, manufacturing, storage, and logistics.

“Cavity Filter” concerns a filter with multiple center conductors mounted on an elevation extending across several cavities. The elevation can be formed on the cavity body’s bottom surface in a single working step, supporting a flat surface and precise alignment between the bottom and cavity side walls.

Career Highlights

Liikamaa’s listed patent work focuses on practical design and manufacturing improvements in radio-frequency filtering components. The inventions address both electrical connection performance and the precision and efficiency of cavity-filter production.

Collaborations

The provided information identifies Uno Henningsson and Bo Uno Egon Henningsson as Liikamaa’s coworkers. It does not specify their roles in the listed inventions.

Conclusion

Matti Liikamaa’s two listed patents reflect a focus on improving LC-filter connections and cavity-filter manufacturing through thoughtful component design and production methods.