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Martin Grabner
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Munich, DE
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last 30 patents
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Patent Grant
Operating circuit for a discharge lamp with early EOL detection
Patent number
6,803,731
Issue date
Oct 12, 2004
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
Martin Grabner
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
EOL detection with integrated filament interrogation
Patent number
6,646,390
Issue date
Nov 11, 2003
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
Martin Grabner
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit arrangement for operating at least one discharge lamp
Patent number
6,291,947
Issue date
Sep 18, 2001
Patent-Treuhand-Gelsellschaft fuer elektrische Gluehlampen mbH
Richard Koeppl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Inductance element
Patent number
6,191,677
Issue date
Feb 20, 2001
Patent-Treuhand-Gesellschaft fuer elktrische Gluehlampen mbH
Bernhard Orben
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Operating circuit for a discharge lamp with early EOL detection
Publication number
20030168994
Publication date
Sep 11, 2003
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLAMPEN MBH
Martin Grabner
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
EOL DETECTION WITH INTEGRATED FILAMENT INTERROGATION
Publication number
20030168995
Publication date
Sep 11, 2003
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLAMPEN MBH
Martin Grabner
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR