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:
Nov. 15, 2022
Filed:
Jun. 26, 2019
Sony Corporation, Tokyo, JP;
Eiji Kuwahara, Tokyo, JP;
Takahiro Suzuki, Tokyo, JP;
Daizen Kobayashi, Tokyo, JP;
Mizuki Shimamura, Kanagawa, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
Sound quality is improved. A plurality of speaker units including a first speaker unit of a dynamic type, an arrangement case having an inner space formed as an arrangement space in which the plurality of speaker units is arranged, and a sound conduit protruding from the arrangement case and provided as a path for sound output from the plurality of speaker units are provided, the first speaker unit has a highest sound output band among the plurality of speaker units, the axial direction of the sound conduit and the axial direction of the first speaker unit are oriented in the same direction, the speaker units except the first speaker unit are arranged around the first speaker unit or on the opposite side to the sound conduit with the first speaker unit therebetween, and a central axis of the first speaker unit is positioned further on the inner side than the inner peripheral surface of the sound conduit.