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COUPLEUX FRERES SOC
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COUPLEUX FRERES SOC
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G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
G10H3/00—Instruments in which the tones are generated by electromechanical means
G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
G10H3/24—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument incorporating feedback means, e.g. acoustic
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FR26331D1922-05-081922-05-08Amplification et transmission d'ondes sonores pour microphones
ExpiredFR26331E
(fr)
Appareil pour la transmission et la reproduction d'ondes acoustiques, pour la phonocinématographie, le photogramophone et des applications analogues