Company Filing History:
Years Active: 2011-2013
Title: Martti Ojanen: Innovator in Power Supply Technology
Introduction
Martti Ojanen is a notable inventor based in Turku, Finland. He has made significant contributions to the field of power supply technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of power converters.
Latest Patents
Ojanen's latest patents include a control circuit and method for a soft-start scheme of a switch mode power supply for a power amplifier. This innovative control circuit samples the output voltage of a power converter at an appropriate time by opening a control loop. It features a soft-start circuit that enables the internal soft-start reference voltage to begin from the sampled output voltage, controlling it to reach a predetermined target value. This process allows for pre-charging the output voltage close to the input voltage level or continuing to charge it to a specific output voltage value. Another significant patent is a configurable feed-forward circuit for a power supply. This invention involves a switched mode power supply unit realized by an integrated circuit, which includes a control circuit that manages the operation of the power supply unit. The control circuit is designed to provide various circuit configurations tailored for different operating environments, defined by a control signal it receives.
Career Highlights
Throughout his career, Martti Ojanen has worked with prominent companies, including Nokia Corporation. His experience in these organizations has contributed to his expertise in power supply technologies and circuit design.
Collaborations
Ojanen has collaborated with notable professionals in his field, including Hannu Virta and Janne Tiisanoja. These collaborations have likely enriched his work and led to further innovations in power supply technology.
Conclusion
Martti Ojanen's contributions to power supply technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape advancements in power converter efficiency and functionality.