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. 14, 2010
Filed:
Aug. 25, 2006
Applicants:
Naotaka Tsunoda, Tokyo, JP;
Keitaro Fujiwara, Tokyo, JP;
Inventors:
Naotaka Tsunoda, Tokyo, JP;
Keitaro Fujiwara, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is a pair of headphones that includes a head band having a pair of support arms and a pair of housings angularly movably mounted on the support arms, respectively, by pivots in confronting relation to each other. Each of the housings has a presser disposed therein near the pivot and projecting substantially perpendicularly to an outer surface of the housing, the presser having a head held against one of the support arms under resiliency, the head having a step engageable with the support arm for limiting angular movement of the housing with respect to the support arm.