| 摘要 |
PROBLEM TO BE SOLVED: To provide a power control method by which a medical treatment can be continuously performed at a stable level by suppressing the heating of a probe head without reducing the medical treatment effect, and which can deal with almost all ultrasonic medical treatment apparatuses or ultrasonic cosmetological apparatuses manufactured by conventional technologies, and can be realized at a low cost. SOLUTION: By this power control method, an amplitude-modulated high-frequency output signal which is used for ultrasonic utilizing apparatus is more precisely and intermittently controlled.
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