Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasters
US6353930B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/38
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data transmission apparatus has a multiplexing unit that cyclically multiplexes presentation information and navigation information stored in a transmission data storage unit according to control by a multiplexing control unit and a transmission unit that transmits the multiplexed stream. The reception control unit of a data reception apparatus sets filter conditions in a filter condition storage unit of a TS decoder unit in accordance with user operation indications. The presentation information and navigation information separated by the TS decoder unit are outputted via a reproduction unit to a display unit and an audio output unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.