Integrated DVD/CD controller
US6466736B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1998 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Jan 2, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A controller architecture optimized for processing audio and video information in playback systems used for reproducing information stored on optical discs such as CDs and DVDs. The controller uses a unique parallel interface to facilitate the transfer of CD data and DVD data from the controller to a MPEG decoder. The controller also performs servo control operations, data processing and error detection and correction operations for CD data and DVD data, and provides shared memory resources for internal operations of the controller. DVD/CD playback systems incorporating the present invention occupy less real estate, have smaller pin counts, are less complex, and are cheaper to manufacture than conventional playback systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.