Solution was proposed in which PVDFpiezoelectricfilm was used to detect the percussion force of powder grainstoprojectile base in launchingenvironment, and thefeasibility was discussed.
It transmits the "percussion speed, " "force" and "suction" of a user's kiss placed on the KissPhone's artificial mouth to another KissPhone via a cellular network, says the phone's French inventor, Georges Koussouros.