TV card with power-switching function
US7857228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2008 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Jan 9, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/436
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A TV card with power-switching function is provided. The TV card comprises a TV card chip module, a power-switching module and a connecting interface. The power switching module is connected to the TV card chip module to transfer or block a power to the TV card chip module; the connecting interface is connected to the power-switching module and a host, wherein the host provides the power to the power-switching module through the connecting interface; the connecting interface further comprises a reserved pin to receive and transfer a switching signal to the power-switching module through the connecting interface to enable the power-switching module to transfer or block the power to the TV card chip module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.