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G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
G09C3/00—Typewriters for ciphering or deciphering cryptographic text
G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
G09C3/06—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being mechanical
Maschine zum Herstellen von Registerstreifen fuer das Steuern von Matrizensetz- undZeilengiessmaschinen mit einer Zaehlvorrichtung, die entsprechend der Matrizenbreite eitergeschaltet wird
Registerstreifen-Lochmaschine mit einer Zeilenmessvorrichtung und Zeichengebungs-elementen fuer Typen und Spatien sowie einem besonderen Zeichengebungselement fuer den Ausschluss