Abstract: A tablet interface learning device includes school books, narrative books, comics and written material on the device selectively are loaded and there is a scanner with automatic document feeder for acquiring document. There is a user interface (UI) screen, the interface screen having big icons, each of the icons occupying about 15 and 30% of the interface screen. A text to speech functionality includes an ebook that can be read aloud by the device itself, and includes an icon of the ebook toolbar to activate the text to speech starting from the first word of the shown page. An education or studying method and system includes a mapping tool representing the main concepts of a topic to study.

Abstract: The invention relates to a method and a device for displaying, in color, digital text elements and/or picture elements on a digital color display, the text elements and/or picture elements having no color information of their own, a color generator allotting, in each case, a color from a color palette to each of the text elements and/or picture elements.

Abstract: The invention relates to a method and a device for displaying, in color, digital text elements and/or picture elements on a digital color display, the text elements and/or picture elements having no color information of their own, a color generator allotting, in each case, a color from a color palette to each of the text elements and/or picture elements.

Abstract: The invention relates to a mobile telecommunication network device, in particular according to the GSM- or UMTS-standards, with a central computer- and switching unit, wherein the computer- and switching unit switches in particular speech-, text-, picture- or binary data between two communication parters to the mobile telecommunication network device by means of the mobile telecommunication network. Therefore, the mobile telecommunication network device is provided with suitable receiver and transmitter units. The mobile telecommunication network device furthermore consists of mobile stations, wherein the mobile stations comprise means for generating and/or transmitting text data and/or picture data. These text data are converted in such a way, that they can be processed by any further mobile station. Furthermore the invention relates to a corresponding conversion method in a mobile telecommunication network device.