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C Gregory Chen, Ping S Lee, Peter J Theisen, Slobodan Krstic: Hybrid D.C. power controller. Eaton Corporation, C H Grace, W A Autio, December 13, 1983: US04420784 (57 worldwide citation)

A hybrid D.C. power controller of the relay/circuit breaker type that uses a hybrid arrangement of hard contacts (4) and power FET's (18, 20) in cooperative functional combination as the arc quenching means for 270 volt D.C. power systems in low atmospheric pressure environments such as at 80,000 fe ...


2
Dayin Xu, David D Brandt, David Lee Jensen, Wayne H Wielebski, Goulin Zhang, Ping S Lee: Plug and play motor control system. Rockwell Automation Technologies, Fletcher Yoder P C, July 4, 2017: US09696704

A motor control system is provided that includes a communication gateway that facilitates connection of components, such as a motor starter, an operator interface, and a terminal block, through a digital communication link. The communication gateway includes control logic designed to discover interf ...