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CELEBRITONE Ltd
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CELEBRITONE Ltd
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Application filed by CELEBRITONE LtdfiledCriticalCELEBRITONE Ltd
Application grantedgrantedCritical
Publication of FR666582ApublicationCriticalpatent/FR666582A/fr
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R3/00—Circuits for transducers, loudspeakers or microphones
H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
Signal Processing
(AREA)
FR666582D1928-12-311928-12-31Perfectionnements aux appareils amplificateurs de sons, hauts-parleurs et circuits de filtrage associés
ExpiredFR666582A
(fr)