Patent ID: 7857228
Filing Date: 2010-12-28
Classification: H04N

Abstract:
1. A TV card with power-switching function comprising: a TV card chip module; a power-switching module connected to the TV card chip module for transferring or blocking a power to the TV card chip module; and a connecting interface comprising a plurality of pins, wherein the connecting interface is connected to the power-switching module and a host; the host provides the power to the power-switching module through the connecting interface; the connecting interface further comprises a reserved pin for receiving and transferring 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, wherein the power is blocked during a standby mode when the TV card chip module is not in use, and the TV card chip module will not have additional power dissipation when the power is blocked.