Circuit for starting and operating fluorescent lamp in lighting system, has freely swinging push-pull converter fed with voltage synchronized with high frequency over throttle, where voltage is produced based on direct current of battery
DE102010028106A1
Sensor for lighting system, has detection area that is monitored depending on brightness of lighting system, where detection area is adjusted mechanically and electronically
DE102010028098A1
Bidirectional interface for operating device i.e. electronic ballast, of lighting unit e.g. gas discharge lamp, has transformer supplying energy to interface in transmission and receiving modes and operated in different frequencies
DE102010027980A1
Operating device with component on intermediate layer
DE102010027800A1
Method for operating gas-discharge lamp, involves supplying voltage drop over capacitance of serial resonant circuit, and contacting high frequency alternating voltage at serial resonant circuit
DE102010027807A1
Method for operating lighting unit, e.g. gas-discharge lamp or light emitting diode, involves operating lighting unit on basis of pulse-width modulation impulse
DE102010003910A1
Operating device for e.g. LED, of lighting system for lighting e.g. rooms, has power factor correction circuit comprising storage throttle that comprises secondary winding, where winding is switched in series with coupling capacitor
CN102450100A
Drive circuit for a LED
DE102010002226A1
Method and circuit for power factor correction
WO2010057241A1
Addressing method for a lamp, particularly light-emitting diodes
DE102009051738A1
Emergency lighting device with LED
WO2010048652A2
Method for actuating lamp operating devices
WO2010025488A1
Emergency lighting unit
DE102009034349A1
Method and circuit for power factor correction
DE102009034350A1
Method and circuit for power factor correction
DE102009034111A1
Illumination system controlling method for e.g. LED, involves detecting fire by smoke detector, sending alarm signal to bus line, receiving alarm signal by controller, and transmitting alarm instruction by controller
DE102009032028A1
Method for operating gas discharge lamps at low outside temperatures and equipment designed for this purpose
DE102009032026A1
Operating device for bulbs
DE102009030038A1
Operating device for illuminant i.e. ballast, of e.g. LED, has power factor correction unit symmetrically formed such that load choke is dividedly arranged on longitudinal branches, and diode poled opposite to another diode
DE102009021048A1
Heating coil heating circuit for use in power supply unit of fluorescent lamp, has transformer whose windings are wound in same direction, where magnetic flow of transformer is dissipated over demagnetizing unit during stopping phase
