The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2014
Filed:
Sep. 15, 2009
Chee Keong Tan, Singapore, SG;
Yuen Shen Wong, Singapore, SG;
Chee Keong Tan, Singapore, SG;
Yuen Shen Wong, Singapore, SG;
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Abstract
There is provided an in-ear earphone having a housing () for receiving an electroacoustic transducer and an expansion adaptor unit () which is coupled to the housing () of the in-ear earphone. The expansion adaptor unit () has an expansion unit () with an upper portion () having a curvature for fitting into a crus inferius anthelicis, an anti-helix and/or a concha of an ear of a user. The expansion adaptor unit further has at least one coupling element for coupling the upper portion () to the housing () of the in-ear earphone, wherein the expansion unit () has at least two flexible legs () as coupling elements, wherein one leg () is coupled to a first end () of the upper portion () and a second leg () is coupled to a second end () of the upper portion ().