Apparatus and method for achieving optical data protection and intimacy for users of computer terminals

Claim 1

Apparatus for achieving optical data protection and intimacy for users of computer terminals wherein hand movements produced by a user are observed, coordinated and positioned specifically for data input, said apparatus comprising a screen having an acoustic device and an optical system positioned in front of it, a touchscreen surface and a video camera, wherein positioned in front of the optical system there is a searcher screen configured such that the searcher screen communicates in a monocular or binocular manner with the opto-visual sense channels of the user, the searcher screen being further configured such that it is matchable and adjustable to each potential user, wherein the optical system comprises one or a plurality of convex lenses with an installation positioned in front of it having a concavely curved contrast filter sheet with the function of an optical grid or raster, wherein a microphone as well as a loudspeaker are associated with the optical system and take into account the position of mouth and ears of the human head and provide an additional interaction via the acoustic sense channel for interaction via the opto-visual sense channel; wherein a tactile contact surface with associated sensor grid or raster is arranged under the searcher screen and is adjusted or is adjustable to a height suitable for the specific potential user, and wherein a video camera is arranged over the tactile contact surface.