In October 1969, Willard Boyle and George Smith discovered Charged Coupled Device (CCD) which is known to be heart of every digital camera. By 1970, Boyle and Smith built CCD into earliest solid state video camera. And soon after, in year 1975, both of them showcased first CCD camera with sharp image quality for the broadcast TV.Not until 1981, Sony Corporation launched prototype digicam, Mavica electronic still camera. This camera recorded pictures as the magnetic impulses on small 2 inch video floppy. Capturing of these images was done through 2 CCD chips.