Acoustic device
US11234071B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Mar 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An acoustic device with an open audio device structure that is configured to be carried on the head or upper torso of a user, and an electro-acoustic transducer carried by the open audio device structure and comprising a flat rectangular diaphragm comprising a front face and a rear face, the diaphragm configured to radiate front acoustic radiation from its front face and into a front acoustic volume that has a first sound-emitting outlet proximate a first corner of the transducer and further configured to radiate rear acoustic radiation from its rear face and into a rear acoustic volume that has a second sound-emitting outlet proximate a second corner of the transducer that is diagonally opposite the first corner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.