Ulrich Seyfried

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Hemmingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Frequency switch for multiband power amplifier applications and mul...
- Patent number 7,593,703
- Issue date Sep 22, 2009
- Alcatel Lucent
- Dirk Wiegner
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
POWER AMPLIFIER BIAS PROTECTION FOR DEPLETION MODE TRANSISTOR
- Publication number 20070182483
- Publication date Aug 9, 2007
- ALCATEL LUCENT
- Ulrich Seyfried
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Frequency switch for multiband power amplifier applications and mul...
- Publication number 20070155345
- Publication date Jul 5, 2007
- ALCATEL
- Dirk Wiegner
- H03 - BASIC ELECTRONIC CIRCUITRY