Electrical audio signal processing systems and devices – Having non-electrical feature – Having microphone
Patent
1981-06-26
1984-03-13
Pellinen, A. D.
Electrical audio signal processing systems and devices
Having non-electrical feature
Having microphone
381118, 381122, H04R 102
Patent
active
044371896
ABSTRACT:
Apparatus for connecting an electrical musical instrument to a public address system that includes a speaker having a cone-shaped diaphram, a mounting bar positioned across the mouth of the speaker and a microphone supported in the bar that passes into the cone to pick up the audio passing through the speaker and transmit the audio to a public address system.
REFERENCES:
patent: 2038995 (1936-04-01), Hammond, Jr.
patent: 3730046 (1973-05-01), Spence
patent: 4126827 (1978-11-01), Negrini
patent: 4232205 (1980-11-01), Ribeyre
Brady W. J.
Pellinen A. D.
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