Communications: electrical – Visual indication – Movable
Patent
1986-05-09
1988-09-13
Curtis, Marshall M.
Communications: electrical
Visual indication
Movable
340754, G09G 300
Patent
active
047712805
ABSTRACT:
An acoustical visual sound device used for the visual interpretation of a received acoustical or electrical sound signal having a filter for passing the intelligence contained within a band of frequencies contained within the frequency spectrum of a received sound signal, a multistage amplifier which can be of the automatic gain control type, for amplifying the passed intelligence to a sufficient power level to operate an electro visual means connected at the output thereof throughout its operable visual variable range. The device can be used for pleasure when observing, in visual form, music, voice or other sounds. Or, it can be used as a means for identifying the source of a sound. It is operable in the audio range as well as in the range above and below the audio range. It can contain any number of channels, in which one of the channels can be used as a search or beat channel. And, it responds in visual amplitude variations to both the positive and negative parts of the passed power ampliied intelligence signal.
REFERENCES:
patent: 3720939 (1973-03-01), Polanek
patent: 3806919 (1974-04-01), Comey
patent: 3924231 (1975-12-01), McClure
patent: 4614942 (1986-09-01), Molinaro
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