The Test-Card pattern has many sections where one line is repeated several times over, so the following arrangement was designed, where the same data in the EPROM could be used for several lines ...

Fasciano later developed some variations on the original test pattern theme—one of these is a 16:9 aspect ratio version—and Pharis makes a complete package available via his web site. He has also sold ...

Some test patterns were simply camera feeds of physical cards, but if you wanted the most accurate and reliable test patterns you’d need a Philips pattern generator which created the pattern ...