Development History
1973

HOME - 1973-1978-82-1983-1984-1987-1988-1989-1991-1992-1993-1994-1996-1997-1998-1999-2000 -2001-2002 -2003-2004-2005

Start research and develop biofeedback systems in Sapporo, Japan.

TPT

Feedback with analog sound modulation, analog meter, LED light and number.