No, they seem to upgrade them as well, but its all in Japanese, can someone read / translate this please?
http://www.takatsuki-denki.co.jp/pdf/TA-300B_TA-274B_pressrelease120308.pdf
THX
http://www.takatsuki-denki.co.jp/pdf/TA-300B_TA-274B_pressrelease120308.pdf
THX