Frank Hagemeyer

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Wedemark, DE

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Patents Grantslast 30 patents

Information Patent Grant
DC to DC converter
- Patent number 8,129,963
- Issue date Mar 6, 2012
- Sennheiser electronic GmbH & Co. KG
- Frank Hagemeyer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless receiver
- Patent number 8,049,091
- Issue date Nov 1, 2011
- Sennheiser electronic GmbH & Co. KG
- Frank Hagemeyer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
FM demodulator
- Patent number 8,026,758
- Issue date Sep 27, 2011
- Sennheiser electronic GmbH & Co. KG
- Frank Hagemeyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-noise oscillator circuit having negative feedback
- Patent number 5,900,788
- Issue date May 4, 1999
- Sennheiser electronic GmbH & Co. KG
- Frank Hagemeyer
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DC to DC Converter
- Publication number 20110050195
- Publication date Mar 3, 2011
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Frank Hagemeyer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WIRELESS RECEIVER
- Publication number 20100218661
- Publication date Sep 2, 2010
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Frank Hagemeyer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
FM DEMODULATOR
- Publication number 20100085116
- Publication date Apr 8, 2010
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Frank Hagemeyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
WIRELESS POCKET TRANSMITTER
- Publication number 20100056060
- Publication date Mar 4, 2010
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Frank Hagemeyer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Filter circuit
- Publication number 20010038309
- Publication date Nov 8, 2001
- Sennheiser Electronic GmbH & Co. KG
- Frank Hagemeyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE