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Robert A. Erhardt

Philips

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Publication

Featured researches published by Robert A. Erhardt.

Archive | 2014

Light emitting diode driver

Bernd Clauberg; Robert A. Erhardt

Archive | 1991

Fluorescent lamp controllers

Mark W. Fellows; John M. Wong; Edmond Toy; Robert A. Erhardt; James A. Thomsen

Archive | 1995

Electronic ballast for operating lamps in parallel

Charles B. Mattas; Robert A. Erhardt

Archive | 2004

Digital addressable lighting interface translation method

Robert A. Erhardt

Archive | 2002

High frequency electronic ballast

Robert A. Erhardt; Oscar J. Deurloo; Jerzy Janczak; Hendrik Anton Van Esveld; Winston Donald Couwenberg; Ronald Hans Van Der Voort

Archive | 1990

Signal generating circuit for ballast control of discharge lamps

Robert A. Erhardt

Archive | 2006

Led Assembly and Module

Robert A. Erhardt

Archive | 2001

Bi-level output electronic high intensity discharge (HID) ballast system

Robert A. Erhardt

Archive | 2000

Reducing stress on ignitor circuitry for gaseous discharge lamps

Robert A. Erhardt; Oscar J. Deurloo

Archive | 2008

Dual Mode Lighting Device

Robert A. Erhardt

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Collaboration

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Oscar J. Deurloo

Philips

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Jerzy Janczak

Philips

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Bernd Clauberg

Philips

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Ernesto Mendoza

Philips

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Esveld Hendrik A. Van

Philips

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Raymond Kulka

Philips

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Winston Donald Couwenberg

Philips

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Allan E. Brown

Philips

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Charles B. Mattas

Philips

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Der Voort Ronald H. Van

Philips

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