From: kai@kai.nada.kth.se (Kai-Mikael Jää-Aro) Subject: Re: TECH: How does a source-less tracker works ? Date: 21 Mar 1996 10:17:18 GMT Message-ID: <4irabe$meb@news.kth.se> Organization: Royal Institute of Technology, Stockholm, Sweden In article <4h72co$5f1@bignews.shef.ac.uk> Robin Hollands writes: >I've also heard of another >company developing a full 6DOF sourceless system, but they hadn't been >cleared to reveal the technology. I have read newspaper reports about the NHL using electronically tracked hockey pucks so that the position and path of the puck can be enhanced for TV viewers. It would obviously have to be source-less, but how on earth do they work (the only technical detail I've read is that they are battery-powered and the batteries run out every five minutes or so, so the pucks have to be continually replaced). Kai-Mikael Jää-Aro email: kai@nada.kth.se "Don't win, don't lose." IPLab voice: +46 8 790 62 79 -- Yoshigasaki-sensei NADA, KTH fax: +46 8 790 09 30 S-100 44 Stockholm telex: 812 6154 1156 SICS SWEDEN teletex:2401-812 6154 1156=SICS