Visual display system with triangular cells

Details Visual display system with triangular cells Visual display system with triangular cells

1986-09-29

1988-12-13

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340701, 84464R, 362252, G02B 2700, A63J 1700

Patent

active

047906294

ABSTRACT:
Improvements to visual display units for producing aesthetically pleasing abstract lighting effects which employ light baffles to produce compartments which contain at least three light sources of different colors are disclosed. The benefits of a baffle arrangement defining compartments forming isosceles triangles with adjacent hypotenuses is described. Color range and fidelity are improved by employing four light sources with a combination of relatively broadband pigmented filters of red, yellow, and green and a relatively narrowband interference-type filter of blue. Improvements to the control system for visual display units of this type are also disclosed. A memory means is provided to record desired color values for each compartment in each of a number of patterns. A single arbitrary color number and a separate intensity value are recorded and at least one conversion table is employed to convert the color number and intensity to average power levels for the sources in the display. A keyboard is also provided, together with a memory means in which the lighting effects desired may be specified during a programming phase, whereby during operation the closure of each key will cause the automatic execution of a subroutine causing a preselected lighting effect to be produced.

REFERENCES:
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patent: 4056805 (1977-11-01), Brady
patent: 4339787 (1982-07-01), Burnbaum
patent: 4622881 (1986-11-01), Rand
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