A Systematic Overview and Study of Touchless Touch Screen Technology

Abstract

Touch screens were responsible for creating a great future to the technology at an emerging rate. The Touch screen enables the user to interact directly with what is displayed on the gadget, rather than using any other intermediate device. Also, by frequent touching a Touch screen display with a pointing device such as a finger or touching device can result in gradual dullness or desensitization of Touch screen to input & the result can ultimately lead to failure of the Touch screen. To avoid these problems, a simple user interface for Touchless control of electrically operated equipment and devices is being developed for Touchless technology. Elliptic Labs innovative technology lets you control your apparatuses, device or gadgets like Computers, Mobile tab, Mobile phones or any interaction device without touching them. Unlike the other system which most probably depends on the distance from the sensor or sensor selection, this system depends on the hand, finger motion or movement, a hand wave in a certain direction, or a flick of the hand in one area, and holding the hand in one area towards which we are pointing with one finger i.e. according to user’s gesture. The device is based on optical pattern recognition using a solid state optical sensor with a lens to detect hand motion with the help of lens. This sensor is then connected to a digital image processor (DIP), then DIP interprets the patterns of motion and outputs the results as signals to control fixtures, appliances, machinery, or any devices which are controllable through electrical signals.