Yamaha Corporation

Hiroyuki Shibakusa

Kazunori Tanaka

Katsumasa Kosuge

Yumi Shimada

A speaker grill includes a diffusion plate, a base, and a support portion. The diffusion plate forms an opening facing in a sound-emitting direction of a speaker and that is arranged on an outer side of the opening. The base supports the diffusion plate at an outer circumference thereof. The support portion is provided at a front surface of the diffusion plate in the sound-emitting direction, having a support surface that covers at least a portion of the front surface of the diffusion plate, and having a plurality of partition walls forming slits in the sound-emitting direction. The support surface forms a virtual surface covers an outer surface of the base.

Speaker grill and speaker device

A speaker grill includes a diffusion plate, a base, and a support portion. The diffusion plate forms an opening facing a speaker and is arranged on an outer side of the opening so as to form a concave shape in a sound-emitting direction of the speaker. The base supports the diffusion plate at an outer circumference thereof. The support portion is provided at a front surface of the diffusion plate in the sound-emitting direction, having a support surface that covers at least a portion of the front surface of the diffusion plate, and having a plurality of partition walls forming slits in the sound-emitting direction. The support surface forms a virtual surface that covers an outer surface of the base.

A speaker structure includes a first enclosure, a second enclosure, a partition plate and a bass reflex port. The partition plate has a communication hole that is provided between the first enclosure and the second enclosure and allows the first enclosure and the second enclosure to communicate with each other. The bass reflex port is disposed at least on either the first enclosure or the second enclosure.

Growing community of inventors

Hamamatsu, Japan

Hiroyuki Shibakusa