Sign with flippable pixels, pixels flipped by current flowing in flat spiral coil

In a sign made up of flippable pixels, each pixel is flippable to display a bright or dark side. The pixels are flipped by a magnetised core which extends through a bore 30 in the board 35. Conductors 41a, 41b form a flat spiral around the cores, so that current flowing in the conductors magnetises...

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Bibliographische Detailangaben
Hauptverfasser:	DENNIS, MATTHEW D, LE, VAN H, WONG, COEMAN L S, TIJANIC, VESO S
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LABELS OR NAME-PLATES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PHYSICS PRINTED CIRCUITS SEALS SIGNS
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Beschreibung
Zusammenfassung:	In a sign made up of flippable pixels, each pixel is flippable to display a bright or dark side. The pixels are flipped by a magnetised core which extends through a bore 30 in the board 35. Conductors 41a, 41b form a flat spiral around the cores, so that current flowing in the conductors magnetises the cores. Two or more of the boards 35 may be stacked, with the flat spiral coils appropriately interconnected to increase the magnetisation of the cores.