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RAMALHO SEBASTIAN
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RAMALHO SEBASTIAN
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Devices For Indicating Variable Information By Combining Individual Elements
(AREA)
Abstract
Dispositivo antideslumbrante, caracterizado por comprender una pantalla situada entre el observador y el foco luminoso, formada por una pluralidad de listas dispuestas radialmente a partir de un núcleo central, dos de las cuales, opuestas, son paralelas a la línea que pasa por las pupilas del observador, y de las restantes dos son perpendiculares a aquellas y otras, de menores dimensiones, ocupan los dos cuadrantes superiores sin prolongar se por los opuestos, estando dicha pantalla provista de medios que permiten graduar y fijar a voluntad su posición con respecto al observador.