Miniaturized headset for two-way voice communication
US4720857A · kind A · utility
107Cited by
22References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1985 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Dec 6, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/107
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A miniaturized headset for two-way voice communication is supported and positioned by the notch in the concha portion of a wearer's ear. The headset is reversible and may be worn on either the left or right ear. The earpiece includes sound output ports located therein to provide for alignment of a port with the auditory canal of either of the headset wearer's ears. The earpiece is disposed within the concha of the wearer's ear and outside the auditory canal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.