Illumination – Sound equipment illuminator
Patent
1980-07-30
1982-10-19
Lechert, Jr., Stephen J.
Illumination
Sound equipment illuminator
362231, 362234, 362240, 362252, 362253, 362276, 362367, 362800, 362806, 362811, H04M 122
Patent
active
043553486
ABSTRACT:
Apparatus for providing an optical display as a function of frequency and amplitude of an audio music signal comprising a plurality of frequency selection circuits and a corresponding plurality of linear optical displays for providing a composite bar display comprising a plurality of linear bar segments each having a length which varies as a function of amplitude of a corresponding frequency component of the input music signal. The display is preferably in the form of a row and column array of individual optical display elements such as LED's. The apparatus also includes bar/dot display drivers and an operator-responsive switch for alternately selecting either a bar or a dot display at the LED array.
REFERENCES:
patent: 3062085 (1962-11-01), Smith
patent: 4305117 (1981-12-01), Evans
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