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/en
Publication of ES210962A2publicationCriticalpatent/ES210962A2/en
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Abstract
Improvements in the apparatus for producing acoustic signals object of the main patent characterized in that the diaphragm and the amplifier horn are intended to be placed horizontally and the nozzle extends downwards from the central part of the diaphragm and curves towards the entrance of the amplifying horn. (Machine-translation by Google Translate, not legally binding)
ES0210962A1953-08-241953-08-24Improvements in apparatus to produce acoustic signals (Machine-translation by Google Translate, not legally binding)
ExpiredES210962A2
(en)
Device captador-amplifier-prolongador-recorder and player at will of all kinds of waves and sounds (Machine-translation by Google Translate, not legally binding)