Alternating current voltage regulator using a feedback loop with step filtering

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United States of America Patent

PATENT NO 4786854
SERIAL NO

07100487

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Abstract

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An AC voltage regulator includes an output voltage sensing and regulating device having a suitable filter characteristic to attenuate AC components therein occurring in the frequency ranges corresponding to the almost periodic oscillations or abnormal oscillations, or high frequency components of distorted waves which appear in the AC output voltage and are causes for such abnormal oscillations. The AC voltage regulator does not need to use a dummy load to suppress almost periodic oscillations even when the load is extremely small. The output voltage of the AC voltage regulator is free from abnormal oscillation components such as almost periodic oscillations and low frequency oscillations.

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Patent Owner(s)

  • NISHIMU ELECTRONICS INDUSTRIES CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Cheng-Jen Fukuoka, JP 2 13
Harada, Kosuke Fukuoka, JP 15 447
Nakamizo, Takazi Fukuoka, JP 5 312

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