Wideband slot-loading loudspeaker
US10499141B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2017 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Aug 9, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wideband slot-loading loudspeaker includes a speaker driver configured to reproduce sound; an enclosure in which the speaker driver is disposed; a reflective member spaced apart from a front surface of the speaker driver, wherein a slot is formed in a space between the speaker driver and the reflective member; an acoustic discharge port provided at one end of the slot, the acoustic discharge port configured to discharge the sound reproduced by the speaker driver; at least one opening provided in the reflective member; and a sound resistance member disposed at the at least one opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.