Helmut Rettenmaier

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Grossaitingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Start-up for a switched-mode power supply
- Patent number 5,200,886
- Issue date Apr 6, 1993
- Siemens Nixdorf Informationssysteme Aktiengesellschaft
- Karl Schwarz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and circuit arrangement for generating a sinusoidal line AC...
- Patent number 5,151,851
- Issue date Sep 29, 1992
- Siemens Nixdorf Informationssystem AG
- Peter Busch
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current-fed push-pull converter
- Patent number 5,128,852
- Issue date Jul 7, 1992
- Siemens Nixdorf Informationssysteme AG
- Helmut Rettenmaier
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER