Soc Applicazioni Industriali Elettroniche E Telefoniche S A I E T S P A
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 Soc Applicazioni Industriali Elettroniche E Telefoniche S A I E T S P AfiledCriticalSoc Applicazioni Industriali Elettroniche E Telefoniche S A I E T S P A
Priority to IT1984A03537ApriorityCriticalpatent/IT8403537A1/en
Publication of IT8403537A1publicationCriticalpatent/IT8403537A1/en
IT1984A03537A1984-07-271984-07-27
ELECTRONIC DEVICE FOR REPEATING THE CALL SIGNAL INTERESTING A TRANSMISSION LINE, IN PARTICULAR A DOUBLE PHONE.
IT8403537A1
(en)
METHOD OF ATTENUATION OF THE ECHO SIGNAL IN CONVERSION CIRCUITS, SO-CALLED TELEPHONE FORKS, INTENDED FOR TELEPHONE CONFERENCES, AND EQUIPMENT OPERATING ACCORDING TO THIS METHOD.