Kenichi Ohwada

Title: Kenichi Ohwada: Innovator in PCM Technology

Introduction

Kenichi Ohwada is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of telecommunications, particularly in the development of PCM (Pulse Code Modulation) technology. With a total of 2 patents to his name, Ohwada's work has had a lasting impact on communication systems.

Latest Patents

Ohwada's latest patents include a PCM coder and decoder circuit featuring a digital balancing network. This innovative circuit is designed for use in subscriber line interface circuits within telephone communication systems. The digital balancing network effectively removes echo signals by utilizing a first balancing circuit with fixed characteristics and a second balancing circuit that adapts to the variable characteristics of external circuits. This design simplifies the circuit configuration while accurately replicating echo signals. Another significant patent is the PCM coder-decoder, which employs a digital filter on a time division basis. This allows for various functionalities, including communication exchange between three parties and gain control, in addition to the inherent coding and decoding functions.

Career Highlights

Throughout his career, Kenichi Ohwada has worked with prominent companies such as Hitachi, Ltd. and Hitachi Microcomputer Engineering Ltd. His experience in these organizations has contributed to his expertise in PCM technology and telecommunications.

Collaborations

Ohwada has collaborated with notable colleagues, including Kazuo Yamakido and Shigeo Nishita. Their combined efforts have further advanced the field of PCM technology and enhanced communication systems.

Conclusion

Kenichi Ohwada's contributions to PCM technology and telecommunications have established him as a significant figure in the industry. His innovative patents and collaborations reflect his dedication to improving communication systems.