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:
Oct. 14, 2014
Filed:
Jul. 03, 2008
Makoto Ouryouji, Yokohama, JP;
Makoto Ouryouji, Yokohama, JP;
Victor Company of Japan, Ltd., Kanagawa-Ku, Yokohama-Shi, Kanagawa-Ken, JP;
Abstract
A headphone set has at least one speaker section. The speaker section includes a baffle having at least one sound emitting hole, a surrounding wall formed on the baffle so that the surrounding wall protrudes from the baffle and surrounds the sound emitting hole, a speaker unit installed within the surrounding wall and having a first surface to face the sound emitting hole and an opposite second surface, a unit case provided as touching the surrounding wall and covering the second surface of the speaker unit, a first cavity existing as enclosed by the unit case and the second surface of the speaker unit, and a housing provided as touching the baffle and covering the unit case, a second cavity existing as enclosed by the housing, the unit case, and the baffle.