COLOR TELEVISION CAMERA DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a color television camera device that applies digital signal processing to an image pickup output by a solid-state image sensor, having a discrete pixel structure such as a CCD and simplifies the hardware of a low- pass filter applying band limit processing to a color difference signal Q of a standard television system. SOLUTION: The low-pass filter 39 applies band limit processing to a digital color difference signal DQ with a clock rate of fs/2 resulting from employing a down-sample circuit 49 to down-samples a digital color difference signal DQ* of the NTSC system with a clock rate of 2fs generated by a matrix circuit 47.