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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Priority to ES0073552UpriorityCriticalpatent/ES73552U/en
Publication of ES73552UpublicationCriticalpatent/ES73552U/en
Devices Affording Protection Of Roads Or Walls For Sound Insulation
(AREA)
Abstract
Resonance box for stereophonic sound that is characterized by comprising a set of reflective doors of sound and, in combination, an amplification line; high and medium frequencies of the channel (I), high and medium frequencies of the channel (D) and a loudspeaker located between the bottom of the channel (I) and the channel (D). (Machine-translation by Google Translate, not legally binding)
ES0073552U1959-05-091959-05-09Soundboard for stereophonic sound (Machine-translation by Google Translate, not legally binding)
PendingES73552U
(en)
Removable furniture designed to facilitate a pseudo-stereophonic sound through sound devices installed inside (Machine-translation by Google Translate, not legally binding)