INDICATOR Russian patent published in 1998 - IPC

FIELD: information displaying equipment, in particular, computer equipment for visualization of output data, information board systems which display information on stadiums, airports, railway stations and so on. SUBSTANCE: information member of indicator is designed as prism which is made from non- magnetic material and is mounted complex-shape housing cell for free movement in cell and rotation about prism axis. In addition permanent magnet of electric drive is located inside information member. Electromagnet is designed mobile and is located before information member. EFFECT: simplified design, increased number of displayed colors, decreased size and manufacturing cost. 4 dwg