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Priority to DE2400974ApriorityCriticalpatent/DE2400974B1/de
Publication of DE2400974A1publicationCriticalpatent/DE2400974A1/de
Publication of DE2400974B1publicationCriticalpatent/DE2400974B1/de
Application grantedgrantedCritical
Publication of DE2400974C2publicationCriticalpatent/DE2400974C2/de
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
G—PHYSICS
G10—MUSICAL INSTRUMENTS; ACOUSTICS
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
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Multimedia
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Electromagnetism
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Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
DE2400974A1974-01-101974-01-10Mfr. of electroacoustic driver unit - has coil welded by current pulse united by injection moulding to coil body and diaphragm
GrantedDE2400974B1
(en)