Card – picture – or sign exhibiting – Display with special effects – Selective or intermittent illumination
Patent
1985-09-13
1987-05-26
Mancene, Gene
Card, picture, or sign exhibiting
Display with special effects
Selective or intermittent illumination
434126, G09F 1300
Patent
active
046674276
ABSTRACT:
An assembly of a display panel and a mounting base for a plurality of light-emitting elements. The mounting base is adjacent to one side of the display panel, and the display panel has a plurality of light-transmitting apertures, holes or openings representing at least two different fluid flow paths and specific fluid devices, such as valves and fluid containing cylinders. A microprocessor is used to control the operation of voltage sources coupled to the light-emitting elements so that, by selectively actuating a first set of light-emitting elements, a visual representation of a first fluid flow path can be provided to indicate the flow of a first gas from one location to another. Alternately, the assembly can be operated such that a second fluid flow path can be visually represented while the light elements of the first path are deactuated. Thus, by a glance at the display panel, an operator can visually determine which one of several fluids is flowing in a fluid flow system while also determining the state of operation of one or more fluid devices in the flow path.
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patent: 4613952 (1986-09-01), McClanahan
Mancene Gene
Process and Cryogenic Services, Inc.
Stone Cary E.
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