Speaker apparatus and display apparatus with speaker
US8116505B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2007 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2205/022
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.