FR830766A - Perfectionnements aux machines ou appareils de cryptographie - Google Patents

Perfectionnements aux machines ou appareils de cryptographie

Info

Publication number
FR830766A
FR830766A FR830766DA FR830766A FR 830766 A FR830766 A FR 830766A FR 830766D A FR830766D A FR 830766DA FR 830766 A FR830766 A FR 830766A
Authority
FR
France
Prior art keywords
devices
cryptographic machines
cryptographic
machines
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
English (en)
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 Business Machines Corp
Original Assignee
International Business Machines Corp
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 Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR830766A publication Critical patent/FR830766A/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
    • G09C3/02—Typewriters for ciphering or deciphering cryptographic text with auxiliary keys or keyboards acting on the original keys or keyboards

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)
FR830766D 1936-10-24 1937-10-22 Perfectionnements aux machines ou appareils de cryptographie Expired FR830766A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US107306A US2116683A (en) 1936-10-24 1936-10-24 Coding and decoding machine

Publications (1)

Publication Number Publication Date
FR830766A true FR830766A (fr) 1938-08-09

Family

ID=22315956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830766D Expired FR830766A (fr) 1936-10-24 1937-10-22 Perfectionnements aux machines ou appareils de cryptographie

Country Status (4)

Country Link
US (1) US2116683A (fr)
DE (1) DE958111C (fr)
FR (1) FR830766A (fr)
GB (1) GB488337A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155659A (en) * 1940-02-05 1979-05-22 The United States Of America As Represented By The Secretary Of The Navy Printing and coding machine
US4141659A (en) * 1940-02-05 1979-02-27 The United States Of America As Represented By The Secretary Of The Navy Bowden wire substitute mechanism
US4124311A (en) * 1940-02-05 1978-11-07 The United States Of America As Represented By The Secretary Of The Navy Mechanical movements for coding machines
US6175625B1 (en) * 1944-12-15 2001-01-16 The United States Of America As Represented By The National Security Agency Control circuits for electric coding machines
NL209117A (fr) * 1955-07-23

Also Published As

Publication number Publication date
GB488337A (en) 1938-07-05
DE958111C (de) 1957-01-24
US2116683A (en) 1938-05-10

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