Music – Accessories – Producing color or light effects
Patent
1984-12-06
1986-11-18
Wintercorn, Richard A.
Music
Accessories
Producing color or light effects
40457, 340701, 362 86, 362235, 364900, A63J 1700, H04M 122
Patent
active
046228810
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 isoceles 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 if 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.
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