Digital TV with operating system and method of driving same
US7227590B2 · kind B2 · utility
2Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2003 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Dec 3, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4435
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital TV and a driving method thereof enable a user to view the digital TV without interruption even if the present operating system is in an abnormal state. The digital TV includes a digital TV receiving part for receiving and decoding a broadcasting stream from an outside, a host CPU for controlling the digital TV receiving part, a local CPU for controlling the digital TV receiving part if the host CPU operates in an abnormal state, and a programmable logic device for switching the control of the digital TV receiving part from the host CPU to the local CPU if the host CPU operates in the abnormal state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.