Earlier projectors had analog video interfaces (composite, component and S-video). See DLP and 3LCD. In the 1980s, the first data projectors weighed more than 40 pounds, using a single cathode ray ...

Then why can't DLP projectors render color gradients from a 24-bit image accurately? Normally this is not a problem with other competing technologies such as 3LCD and 3LCOS! Please bear with my ...