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Priority claimed from DE1961217Aexternal-prioritypatent/DE1961217C3/de
Priority claimed from DE2119911Aexternal-prioritypatent/DE2119911B2/de
Application filedfiledCritical
Publication of NL7205358ApublicationCriticalpatent/NL7205358A/xx
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R7/00—Diaphragms for electromechanical transducers; Cones
H04R7/16—Mounting or tensioning of diaphragms or cones
H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R1/00—Details of transducers, loudspeakers or microphones
H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
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Engineering & Computer Science
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Physics & Mathematics
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Acoustics & Sound
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Signal Processing
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Health & Medical Sciences
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Otolaryngology
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Multimedia
(AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers
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