Patent ID: 6330027
Filing Date: 2001-12-11
Classification: H04N

Abstract:
An image input apparatus having separated camera unit and image processing unit connected with each other by a communication path, comprising:data transmission/reception means for transferring data between the camera unit and image processing unit;first frame configuration means for configuring a command data frame for controlling the camera unit;second frame configuration means for configuring a video sync data frame to be transferred between the camera unit and image processing unit synchronously with a video sync signal for the optimization of an output video signal;frame discriminating means for discriminating between the command data frame and the video sync data frame;error detecting means for detecting an error of a received data frame;error notifying means for notifying a transmission side of an error detection when an error is detected in the received data frame; andframe retransmission means for retransmitting data corresponding to said command data frame when an error notice regarding the command data is received from a reception side and for not retransmitting data corresponding to said video sync data frame when an error notice regarding the video sync data is received from the reception side.