Scalable filtering table
US7647619B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Aug 22, 2001 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4432
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A broadcast receiver includes an input unit, a receiving unit, a control unit, a main memory, a demultiplexer unit, and a decoding unit. A transport stream of digital packetized data includes various data types identified by various parameters within the packet header. A filtering table lists select identifying parameters representing the various data types which are to be stored and processed. Data packets which do not have a select parameter found within the filtering table are ignored by the broadcast receiver. The filtering table is scalable by a control unit to an optimum size, which is the minimum size necessary to store all necessary parameters. A control unit determines the number of parameters required in the filtering table, and scales the filtering table to accommodate that number of parameters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.