CATV
http://plusd.itmedia.co.jp/lifestyle/articles/0806/20/news019.html
http://www.watch.impress.co.jp/av/docs/20060614/catv.htm
http://plusd.itmedia.co.jp/lifestyle/articles/0806/20/news019.html
http://www.watch.impress.co.jp/av/docs/20060614/catv.htm