4. Binary-to-Gray converter. Similar checkerboard patterns are also seen in the case of a Gray-to-Binary converter (Fig 5). Once again, the checkerboard patterns of 0s and 1s in the Karnaugh Maps ...

What does Gray code actually mean? ... Used in telegraphy in the late 1800s, and also known as "reflected binary code," Gray code was patented by Bell Labs researcher Frank Gray in 1947.