Motorola (NYSE: MOT) said its venture arm has invested in Sensitive Object, a six-year-old company working on multi-touch platforms and user interface designs. Release.

Terms of the investment were not disclosed. Sensitive Object previously spun-off from the French Science National Research Centre (CNRS), and previously received funding to speed up its development from Sofinnova Partners. The company’s technology supposedly allows any product with a user interface to become a touch-sensitive device by leveraging acoustics “to analyze sound waves departing from the point of a touch.”