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:
Jun. 17, 2014
Filed:
Nov. 20, 2013
Bose Corporation, Framingham, MA (US);
Michael Monahan, Southborough, MA (US);
Kevin P. Annunziato, Medway, MA (US);
Ian M. Collier, Los Angeles, CA (US);
Jason Harlow, Watertown, MA (US);
Roman Sapiejewski, Boston, MA (US);
Bose Corporation, Framingham, MA (US);
Abstract
An earphone includes a first acoustic chamber having a reactive element and a resistive element in a parallel configuration, a second acoustic chamber separated from the first acoustic chamber by an acoustic transducer and including a unitary port to provide both pressure equalization of the second chamber and equalization of the earphone to a predetermined frequency response, and a housing to support the apparatus from the concha of a wearer's ear and to extend the second acoustic chamber into the ear canal of the wearer's ear.