FR747366A - - Google Patents

Info

Publication number
FR747366A
FR747366A FR747366DA FR747366A FR 747366 A FR747366 A FR 747366A FR 747366D A FR747366D A FR 747366DA FR 747366 A FR747366 A FR 747366A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR747366A publication Critical patent/FR747366A/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
    • G09C3/08—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 electrical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
FR747366D 1932-12-10 Expired FR747366A (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR418877X 1932-12-10

Publications (1)

Publication Number Publication Date
FR747366A true FR747366A (el) 1933-06-14

Family

ID=8898330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747366D Expired FR747366A (el) 1932-12-10

Country Status (2)

Country Link
FR (1) FR747366A (el)
GB (1) GB418877A (el)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950800A (en) * 1956-10-24 1960-08-30 Graphic Arts Res Foundation In Ideographic type composing machine

Also Published As

Publication number Publication date
GB418877A (en) 1934-11-01

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