Personal audio player with a removable multi-function module
US6606281B2 · kind B2 · utility
77Cited by
16References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2001 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Jun 14, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2207/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A digital audio player has a removable and interchangeable multi-function module that has at least one operating member. The multi-function interchangeable module interoperates with the body of the digital audio player to provide a plurality of features, which include, but are not limited to, additional memory storage, radio tuner, display, Infrared transceiver and wireless transceiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.