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Franz Ritz
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Ubersee, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for diagnosing a frequency converter
Patent number
9,431,936
Issue date
Aug 30, 2016
Dr. Johannes Heidenhain GmbH
Franz Ritz
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Charging circuit for a frequency converter
Patent number
7,215,041
Issue date
May 8, 2007
Dr. Johannes Heidenhain GmbH
Norbert Huber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for monitoring the ground potential of a rectifier drive
Patent number
6,747,458
Issue date
Jun 8, 2004
Johannes Heidenhain GmbH
Norbert Huber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and circuit for adjusting a switching threshold of a touch p...
Patent number
6,487,785
Issue date
Dec 3, 2002
Dr. Johammes Heidenvain GmbH
Franz Ritz
G01 - MEASURING TESTING
Information
Patent Grant
Method and circuit arrangement for adapting the intermediate circui...
Patent number
6,219,259
Issue date
Apr 17, 2001
Dr. Johannes Heidenhain GmbH
Norbert Huber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for inductive signal transfer in sensing heads
Patent number
5,109,223
Issue date
Apr 28, 1992
Dr. Johannes Heidenhain GmbH
Walter Schmitt
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for digitally subdividing analog periodic signals
Patent number
4,594,579
Issue date
Jun 10, 1986
Dr. Johannes Heidenhain GmbH
Walter Schmitt
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR DIAGNOSING A FREQUENCY CONVERTER
Publication number
20150214873
Publication date
Jul 30, 2015
Dr. Johannes Heidenhain Gmbh
Franz Ritz
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Pulse width modulation method
Publication number
20070153890
Publication date
Jul 5, 2007
Norbert Huber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Charging circuit for a frequency converter
Publication number
20040105199
Publication date
Jun 3, 2004
Norbert Huber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method for monitoring the ground potential of a rectifier drive
Publication number
20030067303
Publication date
Apr 10, 2003
Norbert Huber
G01 - MEASURING TESTING