Ryujiro Muramatsu

Title: Ryujiro Muramatsu: Innovator in Telephone Communication Technology

Introduction

Ryujiro Muramatsu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of telephone communication technology. With a total of 3 patents to his name, Muramatsu has developed innovative solutions that enhance user experience in communication.

Latest Patents

One of his latest patents is a "Telephone communication terminal and communication method." This invention features a telephone communication terminal that responds to voice commands for originating calls. It includes various components such as an antenna, diplexer, radio unit, base band unit, controller, loudspeaker, microphone, key input and display unit, sound level measuring instrument, threshold generators, comparators, an analyzer, and destination number storage. The sound level measuring instrument continuously measures the sound level of input signals, such as voice inputs from the microphone. It processes the signal power at fixed intervals and compares the output with preset threshold values to facilitate effective communication.

Another significant patent is the "Telephone exchange network using telephone exchanges with speech." This invention allows subscribers to utilize voice dialing more easily with existing telephone systems. It eliminates the need for special input operations or preregistration of called parties. Subscribers can make calls effortlessly without performing multiple operations. The telephone exchange is designed to discriminate between dial pulse information, push-button tone information, and spoken information, enabling callers to connect to their desired parties seamlessly.

Career Highlights

Ryujiro Muramatsu is currently employed at Hitachi, Ltd., where he continues to innovate in the field of communication technology. His work has significantly impacted the way users interact with telephone systems, making communication more accessible and efficient.

Collaborations

Muramatsu has collaborated with notable coworkers, including Toshiro Suzuki and Takanori Miyamoto. Their combined expertise has contributed to the development of advanced communication technologies.

Conclusion

Ryujiro Muramatsu is a distinguished inventor whose work in telephone communication technology has paved the way for more intuitive and user-friendly systems. His innovative patents reflect his commitment to enhancing communication methods, making him a valuable contributor to the field.