Headphone
US6744901B2 · kind B2 · utility
31Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2002 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Oct 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a neckband type headphone device there is provided a band onto which speaker units are connected at both ends thereof. These speaker units are worn on the left and right ears. The band has a shape wherein the area close to the connecting part between both speaker units forms a curve and passes on one of a position above and below the ears of the listener when it is wound in a circular shape and extended. The band is formed from an elastic material into a shape that presses down at the approximate center on the rear of the head of the listener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.