This is because Gray codes are named after Frank Gray, who patented their use for shaft encoders in 1953. You can find a really Interesting Paper on this at www.faqs.org. One way to avoid this problem ...

The box converts from binary to gray code internally. No need to memorize the sequence or have a cheat sheet. Report comment. Reply. pabr says: October 9, 2012 at 2:09 pm ...