| 摘要 |
FIELD: information displaying equipment, in particular, computer engineering equipment for visualization of output data, information boards for stadiums, airports, railroad terminals, and so on. SUBSTANCE: device has housing with display window, mobile hollow corner-shaped profile which serves as information carrier, stationary electromagnet and permanent magnet which is split into two equal members and is mounted on magnetic circuit which is mounted on information carrier. Device operations involve interaction of electromagnet to permanent magnet. EFFECT: increased reliability, simplified design, decreased cost of display. 4 dwgn
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