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. 14, 2012
Filed:
Dec. 19, 2007
Philip John Kawasaki-hedges, Tokyo, JP;
Shinpei Kondo, Tokyo, JP;
Hiroyuki Yoshida, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A speaker apparatus arranged in a predetermined casing includes a speaker unit disposed at a predetermined position in the casing, a speaker grill section whereto sound output holes are provided, and the speaker grill section being disposed on the front of a sound output surface locating at the position of the speaker unit in the casing, while a predetermined distance is kept from the speaker unit, a first front air chamber which is disposed between the speaker unit and the speaker grill section in the casing, and separated from other sections in the casing, and a second front air chamber extending from the first front air chamber on the front of the speaker unit.