UNITAP in mobile phone

A next step became designing a mobile phone a text symbol input space of which is divided into triangles. A principle which is used here is the same: substituting symbol input through pushing a button with input through a simultaneous push of several adjoining buttons. Exactly this technology has already been used in the process of creating a demo-device and note-book, nevertheless, a “quadrangular” structure of input is changed by a triangular one. By this the structure is revealed and underlined through designing buttons in the respective shape.