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...What is a virtual keyboard projection that projected and touched on any surface consists of laser projects an image onto flat which can then be typed as if it were actually there the watches your fingers movements translates action into keystrokes in device pondicherry engineering college puducherry attaches to handhelds full size desk where handheld placed allowing user input text without physical features for first time mobile users type normally enabling them work quickly effectively taking pain frustration out existing minuscule keyboards handwriting recognition software provide multilingual mechanism about fountain pen no appearance takes up less space than conventional components this system three modules sensor module ir light source pattern projector serves eyes perception technology operates by locating s d tracking intended infra red invisible beam above finger makes keystroke breaks infrared reflected back...