Ear warmer with a speaker system
US8325961B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Mar 14, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A frame has an interior side and an exterior side. The frame is configured to extend around the back of a user's head. A first membrane is coupled to at least a portion of the interior side of the frame. In one embodiment, a second membrane is coupled to the first membrane. The first membrane and the second membrane define a receptacle and an opening that communicates with the receptacle. In one embodiment, a speaker is disposed in the receptacle. A first electrical wire has a first end electrically coupled to the speaker and a second end including a connector. The connector can be disposed proximate to the opening of the receptacle. The connector is configured to be electrically coupled to a second electrical wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.