Display element with notched disk

Details Display element with notched disk Display element with notched disk

1992-05-19

1996-10-22

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345110, 40447, G09G 334

Patent

active

RE0353574

ABSTRACT:
A rotor presents bright and dark sides of a flat disk to a viewer. When the bright side is presented this side plus a stationary panel form a bright viewing area. When the dark side is presented the panel is occluded. The edges of the panel and of the disk in ON position define an aperture for light emission from an optic fibre end.

REFERENCES:
patent: 1577427 (1926-03-01), Browne
patent: 3975728 (1976-08-01), Winrow
patent: 4577427 (1986-03-01), Browne
patent: 4794391 (1988-12-01), Costa et al.
patent: 4833306 (1989-05-01), Gars
patent: 4860470 (1989-08-01), Browne
patent: 4974353 (1990-12-01), Norfolk et al.
patent: 5022171 (1991-06-01), Norfolk et al.

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