4. Electric power conversion systems
  5. Current conversion
  6. Including an a.c.-d.c.-a.c. converter

Hwan Je Yeo

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Apparatus and method for controlling operation of elevator...

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Reexamination Certificate

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Current/voltage control apparatus for elevator system

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent

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Profile ID: LFUS-PAI-P-1986448

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