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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Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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Filing date
Publication date
Application filed by Pioneer Electronic CorpfiledCriticalPioneer Electronic Corp
Priority to JP13509579ApriorityCriticalpatent/JPS5660192A/ja
Publication of JPS5660192ApublicationCriticalpatent/JPS5660192A/ja
Publication of JPS6133430B2publicationCriticalpatent/JPS6133430B2/ja
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
G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers
(AREA)
Procede de preparation de structures composites a base de matieres d'isolement cellulaires, combinees notamment a une matiere en feuille thermoplastique, et nouveaux produits ainsi obtenus
Procede de preparation de structures composites a base de matieres d'isolement cellulaires, combinees notamment a une matiere en feuille thermoplastique, et nouveaux produits ainsi obtenus