Patent · US Active

Diaphragm and sound output apparatus

US8126179B2 · kind B2 · utility

0Cited by

12References

7Claims

0Family size

Assignee

SONY GROUP CORPORATION · JP

Inventors

Tetsujiro Kondo · Tokyo, JP
Junichi Shima · Tokyo, JP
Akihiko Arimitsu · Yokohama, JP
Takuro Ema · Tokyo, JP

Key dates

Filing date	May 23, 2008
Grant date	Feb 28, 2012
Priority date	—
Expiry date	Dec 29, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/15
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A diaphragm for outputting sound by vibrating has a hole of a predetermined shape that allows another member to extend therethrough. A sound output apparatus includes a first member, the diaphragm, and a second member. The first member extends through the hole of the diaphragm, and the first member is screwed into the second member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.