H. Yoshida

High-frequency drive-power and frequency control for ultrasonic transducer operating at 3 MHz

T. Suzuki, J. Ishikawa, Y. Mizutani, 1997, IAS '97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting.

Impedance characteristic of ultrasonic transducer operated as load of MOSFET DC-to-RF power inverter

Y. Mizutani, H. Yoshida, T. Suzuki, 1996, Proceedings of the 1996 IEEE IECON. 22nd International Conference on Industrial Electronics, Control, and Instrumentation.

MOS-FET RF inverter with auto-tuning function for driving ultrasonic transducer at 1.8 MHz

T. Suzuki, F. Ikeda, Y. Mizutani, 1996, Proceedings of IEEE International Symposium on Industrial Electronics.

Automatic frequency control for maximizing RF power fed to ultrasonic transducer operating at 1 MHz

T. Suzuki, Y. Mizutani, H. Ikeda, 1996, IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting.