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:
Feb. 07, 2012
Filed:
Jul. 10, 2008
Applicant:
Osman Kemal Isvan, Aptos, CA (US);
Inventor:
Osman Kemal Isvan, Aptos, CA (US);
Assignee:
Plantronics, Inc, Santa Cruz, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a dual-mode earphone is provided, comprising a first earbud including a speaker with a diaphragm and at least one acoustic port in front of the diaphragm, and a cap in front of the speaker. The speaker or the cap is configured to move relative to the other for opening and closing the acoustic port in one embodiment and a movable seal is provided in another embodiment. The earphone further includes a second earbud housing operably coupled to the first earbud opposite the speaker. A method for providing acoustic equalization in a dual-mode earphone is also disclosed.