They were useful for various technical reasons including calibrating the analog signals. Some test patterns were simply camera feeds of physical cards, but if you wanted the most accurate and ...

The Scanimate is essentially an analog synthesizer for video signals, and they made it possible to move words and pictures around on a screen much ... with Lissajous patterns on an oscilloscope ...

And, like the Bold Motion, the watch can issue more discreet notifications through different haptic vibration patterns ... rectangular OLED screen into an already-finished analog watch.

While automated pattern matching is widely used in the digital IC physical verification process, adoption in the analog space has been much slower. In fact, the very nature of customized analog ...