A touch pad and a method of operating the touch pad

With irradiative shell is device touch panel or touch screen, surface is the device is provided with a receiving type or a light wherein the contacts transmitted light contact pins are provided, along the surface transmission light, and measuring the light receiving surface position. Touch panel can be made of hard material. A flexible element on the surface; the light transmission to the flexible element is. Pressure and element the direction of the surface detection. Keyboard on the flexible element surface. Providing lens or instrument for touch panel/the touch screen is light, by determining and an whiteboard, desktop or unit and a on touch panel and position of working surface.