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:
Dec. 10, 2013
Filed:
Dec. 12, 2008
Applicant:
Kevin R. Semcken, Evergreen, CO (US);
Inventor:
Kevin R. Semcken, Evergreen, CO (US);
Assignee:
Able Planet Incorporated, Wheat Ridge, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A single chamber headphone apparatus and earcup design is provided which enhances wearer comfort, reduces headphone weight, facilitates ease of use, maintenance and operation by providing an improved internal chamber and battery cap configuration. Sound quality is improved by eliminating acoustic problems associated with two-chamber headset designs. A volume balance control is also provided.