Tomoyuki Ura is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of performance control technology, particularly in the realm of automatic player pianos. With a total of 13 patents to his name, Ura's innovations have enhanced the functionality and reliability of musical instruments.

Latest Patents

One of Ura's latest patents is a performance operator control apparatus designed for player pianos. This apparatus includes a motion control unit and a key drive unit that utilizes multiple key I/O control integrated circuits (ICs) connected to the keyboard. These ICs drive the keys using solenoids to enable automatic performance. The system is equipped with features that detect electrification and temperature abnormalities, activating LEDs to indicate any issues. The key I/O control ICs also receive velocity signals from the solenoids, allowing for feedback control during automatic performances. Additionally, unoccupied channels of the ICs are utilized for monitoring and inspection signals, ensuring the system's reliability through pre- and post-inspection data comparisons.

Another innovative patent by Ura involves an optical transducer system that monitors keys in an automatic player piano. This system comprises sensor heads positioned along the key trajectories, with LEDs and light detecting devices (LDDs) connected through optical fibers. A luminescence controller optimizes the emitted light, while bias controllers adjust the electric signal levels. This design minimizes the impact of component variability and deterioration, enhancing the overall performance of the optical transducer system.

Career Highlights

Tomoyuki Ura is currently employed at Yamaha Corporation, a leading company in the musical instrument industry. His work at Yamaha has allowed him to develop cutting-edge technologies that improve the performance and reliability of automatic player pianos. Ura's dedication to innovation has positioned him as a key figure in the advancement of performance control technology.

Collaborations

Ura has collaborated with talented individuals such as Tsutomu Sasaki and Yuji Fujiwara. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the field of music.

Conclusion

Tomoyuki Ura's contributions to performance control technology have significantly impacted the world of automatic player pianos. His innovative patents and collaborations reflect his commitment to enhancing musical experiences through technology.

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