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.)
S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England Ltd
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Filing date
Publication date
Application filed by S Smith and Sons Ltd, S Smith and Sons England LtdfiledCriticalS Smith and Sons Ltd
Publication of ES269902A1publicationCriticalpatent/ES269902A1/en
An electroacoustic transducer apparatus, comprising a series of transducer elements whose spacing is varied, in one direction at least, along the series, so as to reduce the side lobes in a directivity pattern of the series. (Machine-translation by Google Translate, not legally binding)
ES0269902A1960-07-281961-07-27An electroacoustic transducer apparatus (Machine-translation by Google Translate, not legally binding)
ExpiredES269902A1
(en)