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Rolf Meyer
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Wedemark, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless headphones and data transmission method
Patent number
8,897,841
Issue date
Nov 25, 2014
Sennheiser electronic GmbH & Co. KG
Axel Haupt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter and receiver for a wireless audio transmission system
Patent number
8,223,881
Issue date
Jul 17, 2012
Sennheiser electronic GmbH & Co. KG
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wire-free headset, portable media player
Patent number
8,103,015
Issue date
Jan 24, 2012
Sennheiser electronic GmbH & Co. KG
Rolf Meyer
G11 - INFORMATION STORAGE
Information
Patent Grant
Detection device
Patent number
7,574,011
Issue date
Aug 11, 2009
Sennheiser electronic GmbH & Co. KG
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information system
Patent number
7,180,427
Issue date
Feb 20, 2007
Sennheiser electronics GmbH Co. KG
Rolf Meyer
G08 - SIGNALLING
Information
Patent Grant
Process and electronic data-processing system for communication wit...
Patent number
6,631,396
Issue date
Oct 7, 2003
Sennheiser electronic GmbH & Co. KG
Rolf Meyer
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Transmitter and receiver for a wireless audio transmission system
Publication number
20090046803
Publication date
Feb 19, 2009
Sennheiser Electronic GmbH & Co. KG
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wire-Free Headset, Portable Media Player
Publication number
20090022334
Publication date
Jan 22, 2009
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Headphones and Data Transmission Method
Publication number
20080194209
Publication date
Aug 14, 2008
Axel Haupt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Conference Voice Station And Conference System
Publication number
20080123563
Publication date
May 29, 2008
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR TRANSFER OF DATA
Publication number
20080040446
Publication date
Feb 14, 2008
Sennheiser Electronic GmbH & Co. KG
ROLF MEYER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System for location-sensitive reproduction of audio signals
Publication number
20070041598
Publication date
Feb 22, 2007
Guenther Pfeifer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Detection device
Publication number
20060215856
Publication date
Sep 28, 2006
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information system
Publication number
20050245190
Publication date
Nov 3, 2005
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device for picking up/reproducing audio signals
Publication number
20050008167
Publication date
Jan 13, 2005
Achim Gleissner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Microphone system
Publication number
20040230433
Publication date
Nov 18, 2004
Wolfgang Niehoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Product presentation equipment
Publication number
20040138963
Publication date
Jul 15, 2004
Frank Kirschner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PROCESS AND ELECTRONIC DATA-PROCESSING SYSTEM FOR COMMUNICATION WIT...
Publication number
20020165904
Publication date
Nov 7, 2002
ROLF MEYER
G06 - COMPUTING CALCULATING COUNTING