Intelligent power controller
Intelligent power switch and switching apparatus
Interphase unbalance detector for AC load circuit
Interrupter circuit with MCTS and pulse resonant commutation for
Inverse time-overcurrent relay using successive linear approxima
Lamp output protective circuit in electronic controller
Lighting circuit for vehicular discharge lamp
Load drive apparatus including power transistor protection circu
Load driving circuit capable of raised accuracy detection of...
Load driving device with diagnosing unit for overcurrent...
Local power failure detection and clock disabling circuit
Low loss reverse battery protection
Low-voltage test signal path protection circuit with extended ba
Memory circuit in a relay protection device
Metering and protection system for an A.C. power system
Method and apparatus for compensation of phasor estimations
Method and apparatus for detecting fault currents in electrical
Method and apparatus for detecting faults in a resolver
Method and apparatus for energizing an electrical load
Method and apparatus for fault and/or fault direction detection