Axel Bergmeier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: There is provided an earphone having at least one housing (10) and at least one electroacoustic transducer (20) having a first and a second surface (21, 22). The earphone further has a first volume (100) defined by the first surface (21) of the electroacoustic transducer (20) and by a first end (12) of the housing (10), and a second volume (200) defined by the second surface (22) of the electroacoustic transducer (20) and by a second end (11) of the housing (10). An opening (300) is provided between the first and second volumes (100, 200). A closing unit (30) serves to at least partially close the opening (300).
Type:
Grant
Filed:
January 5, 2009
Date of Patent:
January 29, 2013
Assignee:
Sennheiser electronic GmbH & Co. KG
Inventors:
Axel Grell, Markus Kuhr, Axel Bergmeier
Abstract: There is provided an earphone having at least one housing (10) and at least one electroacoustic transducer (20) having a first and a second surface (21, 22). The earphone further has a first volume (100) defined by the first surface (21) of the electroacoustic transducer (20) and by a first end (12) of the housing (10), and a second volume (200) defined by the second surface (22) of the electroacoustic transducer (20) and by a second end (11) of the housing (10). An opening (300) is provided between the first and second volumes (100, 200). A closing unit (30) serves to at least partially close the opening (300).
Type:
Application
Filed:
January 5, 2009
Publication date:
January 13, 2011
Applicant:
Sennheiser electronic GmbH & Co. KG
Inventors:
Axel Grell, Markus Kuhr, Axel Bergmeier
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