A high frequency power source of the invention comprises power supplying means for amplifying a high frequency signal and for supplying high frequency power; and output regulation means for monitoring the high frequency power and regulating the power supplying means according to the high frequency p...http://www.google.com.tw/patents/US5543689?utm_source=gb-gplus-share專利 US5543689 - High frequency power source having corrected power output
