Carrier control method by using phase-pulse signals
Circuit for regulating a DC voltage on which a large AC voltage
Combinational power cord for multimedia use
Communication between network interface device and...
Control system employing a programmable multiple channel control
Coupling arrangement for power line carrier systems
Coupling communications signals to underground power lines
Current control for superconducting magnetic energy storage syst
Cycloconverter apparatus and method for working into an active l