G - Physics – 09 – F
Patent
G - Physics
09
F
40/41
G09F 11/02 (2006.01) G09F 9/37 (2006.01)
Patent
CA 2000095
Display device comprising rotating display elements having a plurality of faces, and display panel composed of such devices ABSTRACT Display device comprising an array of rotating display elements (4) which have at least two faces of different colour and are arranged in rows and columns, means (8, 18) for actuating the said rotating elements in terms of rotation, intended to ensure the modification of the face of each rotating element appearing on the display, and means for controlling the actuating means (8, 18) so as to ensure the rotation of the said rotating elements in order to form an image to be displayed, characterized in that the rotating elements (4) of each row or column are arranged on a common shaft rotatably mounted in a frame of the device, each rotating element being connected to the shaft by a friction coupling, a device (8, 15) for driving in step-by-step rotation associated with each shaft and a retractable member (16) for blocking all the rotating elements (4) of each column or row in terms of rotation, one actuating device (18) being associated with each blocking member (16). Fig. 1
Rousseau Jacques
Swabey Ogilvy Renault
LandOfFree
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