The present invention comprises a toothbrush supporting brushing behavior reinforcement means. A simple motion sensing means is electrically connected to a brushing logic means, which determines generalized brushing action of a user preferably a child. After the logic requirements of motion sensing are...http://www.google.es/patents/US6754928?utm_source=gb-gplus-sharePatente US6754928 - Brushing behavior reinforcement toothbrush and enclosed electronic game switch with grid
Brushing behavior reinforcement toothbrush and enclosed electronic game ...
