Ignition circuit for a high pressure discharge lamp
WO0018197A1
Circuit for operating gas discharge lamps
CH686595A5
Bimetallic thermo switch with thick-film resistance heating element
EP0677982A1
Process for operating a discharge lamp ballast
EP0677981A1
Ballast for discharge lamps with lamp change detecting means
EP0637118A1
Circuit for limiting inrush current and overvoltage of an electronic ballast
EP0580131A2
Methof for making a choke or a transformer with E-shaped core laminations formed of two U-shaped laminations
EP0562495A2
Transformer or inductor with shaped pieces of insulating material at the coil end turns
CH684664A5
Bimetallic thermostatic switch having a thick-film resistor heating element
EP0552687A1
Electronic starter for fluorescent lamps
EP0594880A1
Process and circuit for starting fluorescent lamps at a given temperature of the preheating electrodes
EP0589081A1
Circuit for operating a fluorescent lamp with a current measuring circuit
CH683478A5
Automatically switching light on and off in room - using evaluating unit responding to output signals of passive IR movement sensor and ambient light sensor
CH683383A5
A method and circuit arrangement for turning on and off the artificial light sources in a room, depending on the prevailing in the room lighting levels.
CH683214A5
Counter contact isolated small power transformer.
EP0471228A1
Starter for fluorescent lamps
EP0470453A1
Electronic starting switch with repetition circuit
