Mercotac Aug 28,2003
Mercotac - makers of rotating connectors (slip rings)...
Pinouts for many common data cables May 4,2004
Network Technologies, Inc. has this nice page that shows the pinouts of many common connectors: RS-232 serial, USB, VGA, and many more.... Thanks to Mark Argo for the link.
Technotron slip rings Sep 17,2004
Slip rings are connectors that can rotate 360 degrees an infinite number of times and still maintain multiple connections.... Jin Yo Mok, who has some experience with them, offered the following link: Jin-Yo found a very small and light slip ring with 12 circuits from Technotron.