20130076206 | TOUCH PAD CONTROLLER - A system for controlling electrical appliances comprises a) a touch plate having an inner surface and an outer surface, which is accessible to a user; b) a piezoelectric module coupled with said inner surface of said touch plate and suitable to generate electric signals when deformed by pressure; c) a microcontroller connected to said piezoelectric module, said microcontroller being configured to analyze electrical signals generated by said piezoelectric module, to determine; d) circuitry coupled with said microcontroller, for receiving said control signals and for transmitting output signals to said electrical appliance; and e) a feedback module connected to said microcontroller, suitable to provide to a user feedback related to signals generated by said piezoelectric module. | 03-28-2013 |