Rotary control for quick playlist navigation in a vehicular multimedia player
US6820238B1 · kind B1 · utility
22Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Jul 5, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/022
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multimedia player having a limited user interface achieves quick and easy navigation within a large playlist of stored digital audio files by employing the rotary volume control knob in a separate mode to advance or rollback sequentially through the playlist. Thus, an MP3 player can be implemented for an automotive or vehicular multimedia player without increasing the number of user control elements, such as buttons, knobs, or other switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.