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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vinters Armstrongs Ltd
Original Assignee
Vickers Armstrongs Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vickers Armstrongs LtdfiledCriticalVickers Armstrongs Ltd
Priority to ES0210962ApriorityCriticalpatent/ES210962A2/es
Publication of ES210962A2publicationCriticalpatent/ES210962A2/es
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Abstract
Mejoras en los aparatos para producir señales acústicas objeto de la patente principal caracterizadas porque el diafragma y la bocina amplificadora están destinadas a colocarse horizontalmente y la boquilla se prolonga hacia abajo desde la parte central del diafragma y se curva hacia la entrada de la bocina amplificadora.
ES0210962A1953-08-241953-08-24PERFECCIONAMIENTOS EN APARATOS PARA PRODUCIR SENALES ACuSTICAS
ExpiredES210962A2
(es)