|
CA2030060A1
|
|
Circuit breaker or fuse failure alarm circuits for dc telecom and ac distribution circuits
|
|
US5132872A
|
|
Low profile mounting assembly and cabinet enclosures for rack relay mounted rectifiers
|
|
US5329220A
|
|
Shunt control
|
|
CA2024568A1
|
|
Low profile mounting assembly and cabinet enclosures for rack relay mounted rectifiers
|
|
CA1256489A
|
|
Shunt control
|
|
CA1267717A
|
|
High speed load transfer system
|
|
CA1253566A
|
|
Precision constant current control with automatic compensation
|
|
CA1209205A
|
|
Auto-start and magnetic shut down battery charging and surveillance circuits
|
|
US4471423A
|
|
Multi-voltage DC output with single reactor voltage control
|
|
CA1175901A
|
|
Multi-voltage dc output with single reactor voltage control
|
|
CA1175479A
|
|
Multi-voltage transformer input circuits with primary reactor voltage control
|
|
CA1159110A
|
|
Two level constant voltage float charge rectifier and battery surveillance apparatus
|
|
CA1111104A
|
|
Battery charger and surveillance system
|
|
CA1128990A
|
|
Inverter circuits
|
|
CA1095601A
|
|
Regulating transformer with magnetic shunt
|
|
CA1073975A
|
|
Ferroresonant voltage regulating circuit
|
|
US4104539A
|
|
Parallel redundant and load sharing regulated AC system
|
|
CA1058703A
|
|
Parallel redundant and load sharing regulated ac system
|
|
CA1038033A
|
|
Ferroresonant voltage regulating circuit
|
|
US3971957A
|
|
Electrical load transfer control system
|
