Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1993-09-10
1996-08-27
Hjerpe, Richard
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
34081562, 40449, G09G 334, G09F 900
Patent
active
055505589
ABSTRACT:
A back illuminated array of display elements each of which comprises a vane rotatable between two positions by interaction between an electromagnet and a permanent magnet attached to the vane. The electromagnet includes a monolithic member of soft magnetic material having a U-shaped portion and a flange portion end is configured in such a way as to reduce the reluctance of the magnetic circuit comprised by the electromagnet and permanent magnet. The monolithic member can be arranged to provide a bearing for the rotatable vane.
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patent: 4779082 (1988-10-01), Salam
patent: 4825205 (1989-04-01), Lee
patent: 4887059 (1989-12-01), Asano et al.
patent: 5148156 (1992-09-01), Huber et al.
Farnandez Stoll Kara
Hjerpe Richard
Unisplay S.A.
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