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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ESPEL ESPANOLA S A
Original Assignee
ESPEL ESPANOLA S A
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Filing date
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Application filed by ESPEL ESPANOLA S AfiledCriticalESPEL ESPANOLA S A
Priority to ES0073552UpriorityCriticalpatent/ES73552U/es
Publication of ES73552UpublicationCriticalpatent/ES73552U/es
Devices Affording Protection Of Roads Or Walls For Sound Insulation
(AREA)
Details Of Audible-Bandwidth Transducers
(AREA)
Abstract
Caja de resonancia para sonido estereofónico que se caracteriza por comprender un juego de puertas reflectoras del sonido y, en combinación, una línea de amplificación; frecuencias altas y medias del canal (I), frecuencias altas y medias del canal (D) y un altavoz situado entre los bajos del canal (I) y del canal (D).
ES0073552U1959-05-091959-05-09Caja de resonancia para sonido estereofónico
PendingES73552U
(es)