FR724102A - Cryptography device - Google Patents

Cryptography device

Info

Publication number
FR724102A
FR724102A FR724102DA FR724102A FR 724102 A FR724102 A FR 724102A FR 724102D A FR724102D A FR 724102DA FR 724102 A FR724102 A FR 724102A
Authority
FR
France
Prior art keywords
cryptography device
cryptography
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Communications Laboratories Inc
Original Assignee
International Communications Laboratories Inc
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 International Communications Laboratories Inc filed Critical International Communications Laboratories Inc
Application granted granted Critical
Publication of FR724102A publication Critical patent/FR724102A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/38—Encryption being effected by mechanical apparatus, e.g. rotating cams, switches, keytape punchers
FR724102D 1931-09-18 1931-09-18 Cryptography device Expired FR724102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724102T 1931-09-18

Publications (1)

Publication Number Publication Date
FR724102A true FR724102A (en) 1932-04-22

Family

ID=9107345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724102D Expired FR724102A (en) 1931-09-18 1931-09-18 Cryptography device

Country Status (1)

Country Link
FR (1) FR724102A (en)

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