Receiver and receiving method
US7590241B2 · kind B2 · utility
1Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2005 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Apr 22, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/43853
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When a channel which is not scrambled is selected, an error occurs in a digital stream processed in a CA processing module, which causes noises to occur in video and audio signals to be viewed. If a FAT channel to be received is a channel that is not CA-scrambled, a digital stream is directly supplied from a FAT demodulator to a demultiplexer without passing the digital stream through an external processing module. As a result, no noise occurs in video and audio signals to be viewed because the video and audio signals are not influenced by an error of the digital stream that occurs in the processing module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.