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Ralf Schafer

Philips

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Publication

Featured researches published by Ralf Schafer.

Archive | 1986

Circuit arrangement for operating high-pressure gas discharge lamps

Manfred Albach; Ralf Schafer; Hans-Peter Stormberg; Armin Wegener

Archive | 1990

Circuit arrangement for supplying a load

Ralf Schafer; Armin Wegener

Archive | 1996

Lamp envelope with a metal clamping member and a fixation member

Hans J. Kohl; Ralf Schafer; Manfred Westemeyer; Cornelis Johannes Janson

Archive | 1982

Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method

Hans-Günter Ganser; Reinhard Kersten; Ralf Schafer; Hans-Peter Stormberg

Archive | 1983

Circuit arrangement for starting and operating a high-pressure gas discharge lamp

Hans G. Ganser; Ralf Schafer; Hans P. Stormberg

Archive | 1985

Circuit arrangement for igniting and operating gas discharge lamps

Horst Dannert; Hans-Günther Ganser; Ralf Schafer; Hans-Peter Stormberg

Archive | 1986

Circuit arrangement for the operation of high pressure gas discharge lamps

Manfred Dr. Albach; Ralf Schafer; Hans-Peter Stormberg; Armin Wegener

Archive | 1982

Method and circuit for operating a high pressure metal vapour discharge lamp

Hans-Günter Ganser; Reinhard Kersten; Ralf Schafer; Hans-Peter Stormberg

Archive | 1988

Circuit for operating gas discharge lamps with a periodically alternating lamp current

Hans-Günther Ganser; Ralf Schafer; Hans-Peter Stormberg

Archive | 1986

Circuit arrangement for starting and operating gas discharge lamps

Hans-Günther Ganser; Ralf Schafer; Hans-Peter Stormberg

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Collaboration

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Hans-Peter Stormberg

Philips

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Hans-Günther Ganser

Philips

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Armin Wegener

Philips

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Hans-Günter Ganser

Philips

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Reinhard Kersten

Philips

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Hans G. Ganser

Philips

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Hilbert Palmers

Philips

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Horst Dannert

Philips

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Lodewijk H.M. Meessen

Philips

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Steven Kemmink

Philips

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