Patent ID: 7376188

Claim:
A serial data conversion apparatus comprising: a video signal packet conversion unit configured to convert a characteristic signal of a video signal into a video signal characteristic packet and to simultaneously convert a video signal into a video signal packet by the characteristic signal of a video signal, horizontal/vertical synchronization signals, and a video clock signal; an audio signal packet conversion unit configured to convert a characteristic signal of an audio signal into an audio signal characteristic packet and to simultaneously convert an audio signal into an audio signal packet by the characteristic signal of an audio signal, left/right control signals, and an audio clock signal; and a control signal packet conversion unit configured to convert a control signal into a control signal packet by an informing signal which informs a generation of a control signal, wherein the video signal packet conversion unit comprises: a video signal characteristic recognizing unit configured to recognize video signal characteristics from an input characteristic signal of a video signal and to generate a video signal characteristic packet; a video signal control unit configured to directly receive the video signal characteristics from the video signal characteristic recognizing unit and to generate a header and a tail of a video signal based on the received video signal characteristics, input horizontal/vertical synchronization signals and a video clock signal and to simultaneously output a video signal; a video signal memory unit configured to directly receive the video signal output by the video signal control unit and to store video signal; and a multiplexer directly connected to the video signal control unit and the video signal memory unit and configured to select a header and a tail output by the video signal control unit and a video signal output by the video signal memory unit to thus generating a video signal packet.