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.)
PONCE IRANZO FRANCISCO
VILA BERTO GERMAN
Original Assignee
PONCE IRANZO FRANCISCO
VILA BERTO GERMAN
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 PONCE IRANZO FRANCISCO, VILA BERTO GERMANfiledCriticalPONCE IRANZO FRANCISCO
Priority to ES0233731ApriorityCriticalpatent/ES233731A1/es
Publication of ES233731A1publicationCriticalpatent/ES233731A1/es
Perfeccionamientos introducidos en los intercomunicadores y difusores de sonido, caracterizados por un carrete de plástico en el cual han sido montados unos contactos de latón plateado, dos bobinados magnéticos independientes y un núcleo interior que se mueve magnéticamente en ambas direcciones accionado por los campos magnéticos de las distintas bobinas.
ES0233731A1957-02-191957-02-19Perfeccionamientos introducidos en los intercomunicadores y difusores de sonido
ExpiredES233731A1
(es)