Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1987-06-01
1989-03-07
Brigance, Gerald L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340764, 3408151, 34081526, 40449, G09G 316
Patent
active
048110086
ABSTRACT:
Graphics information display panels made up of basic picture elements running to hundreds, or more, are useful for being viewed for advertising, transportation information, traffic control, news, weather, financial data and other information normally generated by computers. The system has capability in alphanumeric and also for color graphics designs in four colors through use of a basic display element with a transparent cylinder having four different color pigment enclosing compartments (or cavities) rotatable about a center rod mounting thereof. A six cavity transparent cylinder provides for design displays in six colors. Color pigments, either liquid or powder, are used to fill pixel cylinder cavities as fade resistant color medias where exposure to sunlight or ultraviolet radiation otherwise tends to cause deterioration of color pigment. A selective percentage mix of glass beads with pigment powder or liquid aids in mix stirring the pigment with movement of the pixel and a degree of backlight transparency to the pigment mix. The four-color drum uses a two coil and circular pixel magnet drive for controlled positioning with the electromagnetic coils at right angles, and with the six-color drum three electromagnetic coils positioned sixty degrees apart. Color field of view expanding devices overlie space between pixels. A spherical six color cavity pixel structure is also presented that is positioned by three electromagnetic coils working with two permanent bar magnets at right angles to each other in each spherical pixel.
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Brigance Gerald L.
Fatahi-Yar Mahmoud
Kintzinger Warren H.
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