Sound deflector for headset ear phones
US4457396A · kind A · utility
Inventor
Key dates
| Filing date | Sep 24, 1982 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Sep 24, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sound deflector for attachment to a user's headset earphones is disclosed comprising means situated intermediate the headset earphone and a user's ear canal, said means comprising a hollow cylinder adapted to be operably connected to the headset earphone speaker case and thereby confine the sound from the speaker interiorly to the cylinder, and a cone spatially located proximate the opening of the hollow cylinder and aligned between the earphone speaker and the user's ear canal, a plurality of openings interposed the hollow cylinder wall and the sides of the spatially located cone, said cone adapted to reflect sound waves from the earphone speaker directed towards the user's ear canal and the openings pass sound waves directed away from the user's ear canal and into the folds of skin of the outer ear to be reflected then into the ear canal for hearing by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.