Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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Filing date
Publication date
Application filed by Klangfilm GmbHfiledCriticalKlangfilm GmbH
Application grantedgrantedCritical
Publication of FR752240ApublicationCriticalpatent/FR752240A/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
H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
H04R2201/403—Linear arrays of transducers
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Health & Medical Sciences
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General Health & Medical Sciences
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Otolaryngology
(AREA)
Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
Signal Processing
(AREA)
FR752240D1932-03-101933-03-10Dispositif pour l'enregistrement de films sonores au moyen de nombreux microphones
ExpiredFR752240A
(fr)