High voltage shutdown circuit responsive to excessive beam curre
High voltage transformer for high frequency medical X-ray genera
High voltage transformer with secondary coil windings on opposin
High voltage triangular waveform generator
High voltage, low power transformer for efficiently firing a gas
High-frequency electrodeless discharge device energized by compa
High-frequency operating circuit for a low-pressure discharge la
High-frequency power supply device
High-intensity discharge lamp and high-intensity discharge...
High-power electronic ballast for fluorescent lamp
High-power factor circuit for energizing gas discharge lamps
High-power radiator
High-pressure discharge lamp having a pulse starting device,...
High-pressure discharge lamp with reduced bad influence by acous
High-pressure sodium discharge lamp
High-pressure sodium vapor lamp
High-speed driver for an LED communication system or the like
High-voltage discharge lamp, high-voltage discharge lamp...
Hybrid regulator-ballast circuit for high intensity discharge la
Igniting pulse booster circuit