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
Priority claimed from DEL93022Aexternal-prioritypatent/DE722609C/de
Application filed by Lorenz C AgfiledCriticalLorenz C Ag
Application grantedgrantedCritical
Publication of DK58385CpublicationCriticalpatent/DK58385C/da
DK58385D1937-08-051938-08-03Anordning ved Telefonnet, i hvilke der sker en Overføring af Meddelelser ved højfrekvente elektriske Bærebølger.
DK58385C
(da)
Anordnung fuer Telefonnetze, in denen ausser der niederfrequenten noch eine traegerfrequente Nachrichtenuebermittlung erfolgt, insbesondere fuer Drahtfunksysteme