before they could make the TV logos that we see today, this is what we did

That's awesome

This 1980s HBO intro was made entirely on a set. the way I think they did it was they built a wall with a fake living room set on the inside of it. Outside, there's a table and a camera on some sort of stick that they just extend forward, and according to reddit the "lens flare" is just fiber optics
https://youtu.be/i1NKoMNy5bY