FR455233A - Perfectionnements aux appareils servant à inscrire ou interpréter des messages chiffrés - Google Patents

Perfectionnements aux appareils servant à inscrire ou interpréter des messages chiffrés

Info

Publication number
FR455233A
FR455233A FR455233A FR455233DA FR455233A FR 455233 A FR455233 A FR 455233A FR 455233 A FR455233 A FR 455233A FR 455233D A FR455233D A FR 455233DA FR 455233 A FR455233 A FR 455233A
Authority
FR
France
Prior art keywords
write
devices used
encrypted messages
interpret
interpret encrypted
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
FR455233A
Other languages
English (en)
French (fr)
Inventor
Erwin William Fuller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR455233A publication Critical patent/FR455233A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Input From Keyboards Or The Like (AREA)
FR455233A 1912-03-08 1913-03-07 Perfectionnements aux appareils servant à inscrire ou interpréter des messages chiffrés Expired FR455233A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191305390XA 1912-03-08 1912-03-08

Publications (1)

Publication Number Publication Date
FR455233A true FR455233A (fr) 1913-07-25

Family

ID=32597277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR455233A Expired FR455233A (fr) 1912-03-08 1913-03-07 Perfectionnements aux appareils servant à inscrire ou interpréter des messages chiffrés

Country Status (3)

Country Link
DE (1) DE277503C (enrdf_load_stackoverflow)
FR (1) FR455233A (enrdf_load_stackoverflow)
GB (1) GB191305390A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE277503C (enrdf_load_stackoverflow)
GB191305390A (en) 1914-03-04

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