I had CMD-10 as a kid. It was fun when it worked, but it wasn't pairing well with most TV sets and video players. Though it's possible I just didn't know how to set it up properly.
I wouldn't be surprised if he lurks on here, if so, hi!
edit: it's the "TV-B-Gone" by Mitch Altman, who was at the forefront of creating hackerspaces - TIL they weren't as much of a thing in the US until 2008.