Patent ID: 7221410
Filing Date: 2007-05-22
Classification: H04N

Abstract:
1. A TV receiving system comprising: a TV receiving module for selecting and receiving a TV signal of a desired broadcast from among TV signals inputted from a TV broadcast receiving antenna or cable and providing the received TV signal, including: detachable connector means including a first connector installed in said TV receiving module for receiving external power and an external control signal and providing the TV signal received by said TV receiving module externally, and a second connector detachably coupled with said first connector; a memory for storing a control firmware and data necessary for control and operation; a microprocessor for receiving said external power through said detachable connector means, said microprocessor being operated according to said control firmware stored in said memory to receive said external control signal through said detachable connector means, provide a TV broadcast selection signal in response to the received control signal, perform a desired signal processing with respect to an input TV signal and provide the resulting TV signal to said display apparatus via said detachable connector means; tuner means for receiving said external power through said detachable connector means, selecting a TV signal of a desired broadcast from among the TV signals inputted from said TV broadcast receiving antenna or cable in response to said TV broadcast selection signal from said microprocessor and providing the selected TV signal as said input TV signal to said microprocessor; and an audio processor for processing an audio signal of said TV signal from said microprocessor; a display apparatus connected to said TV receiving module via said second connector of said detachable connector means for providing said external power and external control signal to said TV receiving module, receiving said TV signal from said TV receiving module and outputting video and audio signals of the received TV signal, including: a power supply for supplying internal power to said display apparatus and said external power having a plurality of different voltages to said TV receiving module, respectively; a key input unit including a plurality of keys necessary for a TV receiving operation, said keys including a TV channel selection key and a volume adjustment key; a controller for generating a control signal corresponding to a key signal inputted through said key input unit, providing the generated control signal to said TV receiving module through said second connector to control said TV receiving operation in response to the key signal, and receiving said TV signal from said TV receiving module through said second connector; a signal processor for processing a video signal of said TV signal from said detachable connector means to be displayable on a screen and adjusting a level of an audio signal of said TV signal; a display unit for outputting a video signal from said signal processor to said screen; and a speaker for outputting an audio signal from said signal processor;