Cordless digital audio headphone
US7146199B2 · kind B2 · utility
2Cited by
15References
14Claims
0Family size
Inventor
Key dates
| Filing date | Dec 24, 2001 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Nov 14, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/103
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cordless digital audio headphone is disclosed. The headphone includes a pair of earphones connected to a headband. The earphones provide audible signals. The headphone also includes a memory unit positioned on the headband for containing digitally stored audio information. A processor is disposed on the headband, and is coupled to the memory unit for retrieving the digitally stored information from the memory unit. An analog to digital converter receives the digitally stored audio information, and provides the audible signal to the earphones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.