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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CAPACCINI DI VIRGILIO DANTE
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CAPACCINI DI VIRGILIO DANTE
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Application filed by CAPACCINI DI VIRGILIO DANTEfiledCriticalCAPACCINI DI VIRGILIO DANTE
Priority to ES0020260UpriorityCriticalpatent/ES20260U/en
Publication of ES20260UpublicationCriticalpatent/ES20260U/en
Supplementary acoustic device for telephone hearing, which consists of a resonant box that is attached, supported by appropriate springs, to the telephone receiver cover, from which box a flexible tube ends in a second earphone, formed, like that , by a flat piece with an inner chamber, the resonant box being formed in such a way as to allow direct hearing through it, as well as the transmission of the acoustic waves, through the flexible tube, to the supplementary earphone. (Machine-translation by Google Translate, not legally binding)
ES0020260U1949-06-081949-06-08Auxiliary acoustic device for telephone hearing (Machine-translation by Google Translate, not legally binding)
PendingES20260U
(en)
Apparatus for the automatic retransmission of conferences held between two different network devices. (Machine-translation by Google Translate, not legally binding)