Music – Instruments
Patent
1975-02-21
1976-10-26
Weldon, Ulysses
Music
Instruments
84 101, 84 1, 84DIG21, G10H 300
Patent
active
RE0290106
ABSTRACT:
In a method and apparatus for controlling musical sounds there is provided a housing with an inner cavity and a mouthpiece forming an air channel and a loudspeaker cone for vibrating the air in the inner cavity for introducing sound energy into the oral cavity of a player via the mouthpiece. The sound energy is acoustically monitored by a microphone which produces an output control signal that is used to control the pitch of an electric sound generator in relation to the size of the oral cavity. Means forming an air channel is connected between the output of [a] the loudspeaker and the input of [a] the microphone. The output of the microphone is amplified by means of an amplifier, the output of the amplifier being fed to the speaker, an acoustical feedback path thus being formed between the speaker and the microphone. A mouthpiece is connected in this acoustical path such that an operator can determine the frequency of the feedback signal by adjusting the size of this oral cavity, thus forming musical tones.
REFERENCES:
patent: 2355287 (1944-08-01), Firestone
patent: 2374090 (1945-04-01), French
patent: 2868876 (1959-01-01), Ticchioni
patent: 3009991 (1961-11-01), Bekey
patent: 3549775 (1970-12-01), Kaminsky
patent: 3571480 (1971-03-01), Tichenor et al.
Lewis, Jr. Ancel W.
Weldon Ulysses
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