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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0038797UpriorityCriticalpatent/ES38797U/en
Publication of ES38797UpublicationCriticalpatent/ES38797U/en
Acoustic motor for air column loudspeakers, with exponential, linear, folded or similar loudspeakers, of the kind that comprise a vibrating membrane mounted inside a sound chamber connectable with said loudspeakers, said membrane being connected with an operative voice coil related to a magnetic or electromagnetic device for vibrating the membrane, characterized in that it comprises a septum insurable to the fixed parts of the motor which extends inside said sound chamber between the membrane and the mouth for the horn, dividing said chamber in two spaces, one of which comprises the membrane while the other carries the aforementioned embouchure, said partition being provided with a series of holes or openings that communicate between both spaces. (Machine-translation by Google Translate, not legally binding)
ES0038797U1953-10-271953-10-27Acoustic motor for air column speakers (Machine-translation by Google Translate, not legally binding)
PendingES38797U
(en)
Improvements in microphones, particularly for duplex installations with speakers and microphone (Machine-translation by Google Translate, not legally binding)