SE364615BSE08897/72ASE889772ASE364615BSE 364615 BSE364615 BSE 364615BSE 08897/72 ASE08897/72 ASE 08897/72ASE 889772 ASE889772 ASE 889772ASE 364615 BSE364615 BSE 364615B
Authority
SE
Sweden
Application number
SE08897/72A
Inventor
B Forsberg
Original Assignee
Philips Svenska Ab
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 Philips Svenska AbfiledCriticalPhilips Svenska Ab
Priority to SE08897/72ApriorityCriticalpatent/SE364615B/xx
Publication of SE364615BpublicationCriticalpatent/SE364615B/xx
G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
G09C1/02—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system by using a ciphering code in chart form
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION