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CEMEA
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CEMEA
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Application filed by CEMEAfiledCriticalCEMEA
Priority to FR7400929ApriorityCriticalpatent/FR2258070A1/fr
Publication of FR2258070A1publicationCriticalpatent/FR2258070A1/fr
Application grantedgrantedCritical
Publication of FR2258070B1publicationCriticalpatent/FR2258070B1/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
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Signal Processing
(AREA)
Amplifiers
(AREA)
FR7400929A1974-01-111974-01-11Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary
GrantedFR2258070A1
(en)