Cordless digital audio headphone
US6466677B1 · kind B1 · utility
14Cited by
8References
14Claims
0Family size
Inventor
Key dates
| Filing date | May 24, 1994 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | May 24, 2014 |
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 slot positioned on the headband for receiving a memory card containing digitally stored audio information. A processor is disposed on the headband, and is coupled to the memory slot for retrieving the digitally stored audio information from the memory card. 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.