1 1961 - Creation of the VDE radio interference protection symbol. 2  1970 - In order to consolidate their work on electrotechnical standards, the DIN and the VDE found the German Commission for Electrical, Electronic & Information Technologies (DKE). The DGBMT becomes a new technical society in the VDE. 2  The DKE is renamed DKE German Commission for Electrical, Electronic and Information Technologies of DIN and VDE. 3  The VDE opens a representative office in the capital of Berlin.