Voltage regulated electronic ballast for mutliple discharge lamps
Номер патента: EP1338180A2
Опубликовано: 27-08-2003
Автор(ы): Chin Chang, Theodoor H. Stommen
Принадлежит: KONINKLIJKE PHILIPS ELECTRONICS NV
Опубликовано: 27-08-2003
Автор(ы): Chin Chang, Theodoor H. Stommen
Принадлежит: KONINKLIJKE PHILIPS ELECTRONICS NV
Реферат: A method and apparatus for regulating the lamp output voltage in a multiple (parallel) discharge lamp fixture irrespective of the number of operating lamps and based upon monitoring of the lamp filament current. A modification thereof provides constant and equal currents in the discharge lamps irrespective of the number of operating lamps.
Ballast for at least one gas discharge lamp and method for operating such a ballast
Номер патента: WO2000070921A1. Автор: Franz Raiser. Владелец: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH. Дата публикации: 2000-11-23.