Company Filing History:
Years Active: 2015-2017
Title: Innovations of Nam Sik Ryu
Introduction
Nam Sik Ryu is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics and telecommunications. With a total of 2 patents, his work focuses on enhancing power amplifier technologies.
Latest Patents
One of his latest patents is titled "Apparatus and method for adjusting envelope signal delay in envelope-tracking power amplifier." This invention provides an apparatus designed to adjust the envelope signal delay in an envelope-tracking power amplifier. The apparatus includes an envelope signal providing unit, a variable negative group delay unit, an envelope modulator, a group delay difference detecting unit, and a control signal generating unit. Each component plays a crucial role in ensuring the accurate modulation of the envelope signal.
Another significant patent is "Power amplifier and amplification method thereof." This invention encompasses a power amplifier that includes a main amplifying unit, an auxiliary amplifying unit connected in parallel, and a Balun transformer. The design allows for the application of different bias voltages to the main and auxiliary amplifying units, enhancing the overall performance of the amplifier.
Career Highlights
Nam Sik Ryu is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of power amplifiers, which are essential in various electronic applications.
Collaborations
He has collaborated with notable coworkers such as Yun Ho Choi and Seung Hyun Jang, contributing to a dynamic research environment that fosters innovation.
Conclusion
Nam Sik Ryu's contributions to the field of electronics and telecommunications are noteworthy. His patents reflect a commitment to improving power amplifier technologies, showcasing his expertise and innovative spirit.