Bernhard Stopper, Klavierbaumeister
2017 Unisono Sweet Spot Indicator iPad, Iphone
2017 Tunic OnlyPure for iPhone, iPad
2014: Tunic OnlyPure für Android Smartphones
2008: Introduction TUNIC OnlyPure Tuning Software für PocketPC
2008: Tunic iOS App for Gitarre, Cello, Violin
2006: Introduction OnlyPure Tuning Software for Windows
2004: Description of Beat Symmetries in Stopper Temperament
2004: Introduction Mensurix 5 with dynamic simulation of hammer/string interaction
2003: Introduction MiniMens with dynamic simulation of hammer/string interaction
1990: Master degree in Ludwigsburg
1989: Introduction of Mensurix scaling software
1988 Patent pending “Vorrichtung zur Musiktonerzeugung” auf der Basis der Stopperstimmung™.
1988: Euro Piano 3/1988 The 12-twelfths-19-octave-circle as the harmonic-series symmetric 12-tone circle and “Stopperstimmung™, equal temperament based on pure duodecimes
Since 1988: Piano Tuner and Technician in Rottenburg an Tübingen
1985 -1987 Piano Technician (Magne, Paris)
1980 - 1983 Apprentice Piano Maker (Klavier-Vögele)
1976 - 1980 Piano Lessons with Else Herold
1969: Erster Klavierunterricht