Jyoji Yamada

Title: Jyoji Yamada: Innovator in Acoustic Technology

Introduction

Jyoji Yamada is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of acoustic technology, holding a total of 2 patents. His work focuses on innovative devices that enhance sound measurement and failure detection in sound generating systems.

Latest Patents

Yamada's latest patents include an acoustic characteristic measurement device and method. This device features a speaker that outputs an acoustic signal embedded with a watermark signal. A microphone collects the sound at a predetermined listening position, while an acoustic characteristic measurement unit determines the acoustic characteristics of the space based on the watermark signal.

Another significant patent is for a failure detection device, system, and method. This device detects failures in sound generating devices by generating an electronic watermark signal that includes collation data. The speaker outputs this signal as sound, and the microphone collects it. A collation data detection unit then identifies the collation data from the sound, allowing the failure determination unit to assess the presence or absence of a failure.

Career Highlights

Jyoji Yamada is currently employed at Alpine Electronics, Inc., where he continues to innovate in the field of acoustic technology. His work has been instrumental in developing advanced sound measurement and detection systems.

Collaborations

Yamada collaborates with talented coworkers, including Taku Sugai and Nozomu Saito. Their combined expertise contributes to the success of their projects and advancements in acoustic technology.

Conclusion

Jyoji Yamada is a prominent inventor whose work in acoustic technology has led to significant advancements in sound measurement and failure detection. His contributions continue to impact the industry positively.