Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1990-12-21
1991-12-03
Kostak, Victor R.
Facsimile and static presentation processing
Static presentation processing
Attribute control
84464R, 34081511, H04N 146
Patent
active
050703994
ABSTRACT:
A color and intensity modulation system has an output to be connected to a color light projector and an input to receive a hue control signal and an intensity control signal including at least one modulation frequency component F. The system comprises a color scaling device, receiving in use the hue signal, the color scaling device producing a plurality of color component signals, the plurality of color component signals being supplied as the output to the color light projector, and an intensity control device, receiving in use the intensity control signal, the intensity control device comprising a low frequency oscillator whose output is an intensity modulation signal for varying an intensity of the plurality of color component signals between a preset minimum and a preset maximum value, the oscillator having a frequency responsive to the at least one modulation frequency component F of the intensity control signal, the plurality of color component signals to control in use the projector. The projected light can have a relaxing visual effect.
REFERENCES:
patent: 3639691 (1972-02-01), Beninghof, Jr.
patent: 3804503 (1974-04-01), Sissom
patent: 4128846 (1978-12-01), Robinson, Jr.
patent: 4185276 (1980-01-01), Benson
patent: 4378466 (1983-03-01), Esser
patent: 4614942 (1986-09-01), Molinaro
patent: 5019898 (1991-05-01), Chao et al.
Kostak Victor R.
Murrell Jeffrey J.
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