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.)
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
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Physics & Mathematics
(AREA)
General Physics & Mathematics
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Engineering & Computer Science
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Theoretical Computer Science
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Accessory Devices And Overall Control Thereof
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Typendruck-Telegraphenapparat mit drei oder mehr Gruppen von Typen und einer Zeichenwechsel-Vorrichtung mit einer entsprechenden Zahl von Einstellmoeglichkeiten