Illumination – Signs
Patent
1998-02-12
2000-04-18
O'Shea, Sandra
Illumination
Signs
362217, 362221, 362225, 362236, 362238, G09F 1326
Patent
active
060507160
ABSTRACT:
A lighting indicator assembly is provided that includes a main unit, a light plate and an outside frame. Inside the main unit a voltage transformer, circuits and other components are accommodated. The light plate includes a plate body, on which grooves are formed. The grooves outline alphanumeric characters. A plurality of light tubes are disposed in the grooves to form illuminated representations of the alphanumeric characters. At least two light tubes form each character. The light tubes are connected to each other by connecting wires and connectors. The light plate is accommodated at the front side of the main unit. The outside frame is fitted to the front of the main unit. The outside frame and main unit are joined as one unit by means of projections on the outside frame engaging openings formed in the main unit. The outside frame presses and fixes the plate body of the light plate to the main unit.
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patent: 5150964 (1992-09-01), Tsui
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patent: 5247756 (1993-09-01), Johnstone
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patent: 5421556 (1995-06-01), Dodge et al.
patent: 5533286 (1996-07-01), Fallon et al.
Negron Ismael
O'shea Sandra
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