Mika J Gronroos

Title: Innovations by Mika J Gronroos

Introduction

Mika J Gronroos is a notable inventor based in Piispanristi, Finland. He has made significant contributions to the field of telecommunications, particularly in mobile phone technology. With a total of 2 patents, his work has had a considerable impact on improving communication systems.

Latest Patents

Mika's latest patents include a "Deviation Limiting Transmission Circuit" and a "CMOS-Compander." The Deviation Limiting Transmission Circuit features a soft clipper that performs measurements at two nodes. This innovation limits both its own output signal and that of a low-pass/band-stop filter to selected maximum values, effectively preventing prolonged deviation overshoots. The CMOS-Compander relates to a compressor and an expander designed for use in a compander realized in CMOS technology. This invention aims to enhance speech quality in mobile phone systems such as AMPS, NMT, and TACS. The compander integrates various functions of the mobile phone, utilizing SC-amplifiers controlled by a control logic and a double comparator XOR-block for amplifier control.

Career Highlights

Mika J Gronroos has been associated with Nokia Mobile Phones Limited, where he has played a crucial role in developing advanced mobile communication technologies. His expertise in circuit design and signal processing has been instrumental in the evolution of mobile phone functionalities.

Collaborations

Mika has collaborated with talented individuals such as Jouni Polonen and Kim Kaltiokallio, contributing to innovative projects within the company.

Conclusion

Mika J Gronroos is a distinguished inventor whose work in telecommunications has led to significant advancements in mobile technology. His patents reflect a commitment to enhancing communication quality and efficiency.