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LANGENHAGEN, 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
Digital microphone
Patent number
8,332,058
Issue date
Dec 11, 2012
Sennheiser electronic GmbH & Co. KG
Gerrit Buhe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for the digitization of and for the data compr...
Patent number
7,979,273
Issue date
Jul 12, 2011
Sennheiser electronic GmbH & Co. KG
Axel Haupt
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Device for bi-directional transmission of audio and/or video signals
Patent number
6,763,253
Issue date
Jul 13, 2004
Sennheiser Electronics GmbH & Co. KG
Wolfgang Niehoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Information
Patent Grant
Device for wireless transmission of digital data, in particular of...
Patent number
5,596,603
Issue date
Jan 21, 1997
Sennheiser Electronic KG
Axel Haupt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Microphone and Method for Transmitting the Microphone Audio Data
Publication number
20100119099
Publication date
May 13, 2010
Axel Haupt
G06 - COMPUTING CALCULATING COUNTING
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 And Apparatus For The Digitization Of And For The Data Compr...
Publication number
20070211804
Publication date
Sep 13, 2007
Axel Haupt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Digital microphone
Publication number
20070168819
Publication date
Jul 19, 2007
Sennheiser Electronic GmbH & Co. KG
Gerrit Buhe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Installation for controlling aids for public functions
Publication number
20060165245
Publication date
Jul 27, 2006
Sennheiser Electronic GMBH & Co.
Wolfgang Niehoff
A63 - SPORTS GAMES AMUSEMENTS
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
Information
Patent Application
System for controlling mobile transmitting and/or receiving devices...
Publication number
20020042282
Publication date
Apr 11, 2002
Axel Haupt
H04 - ELECTRIC COMMUNICATION TECHNIQUE