Since the logo is not explained (properly). It is a pun on the the "Kabelfernsehen" (cable tv) logo of the time. It looked like this: http://www.bilder-hochlade

Since the logo is not explained (properly). It is a pun on the the "Kabelfernsehen" (cable tv) logo of the time. It looked like this: http://www.bilder-hochladen.net/files/bbmo-2n.gif http://www.bilder-hochladen.net/files/bbmo-2n.gif This is not the original. I could not find a better picture. As I remember it the cables were running down straight on the right side. Instead of having the knot.