FR730433A - Appareil cryptographique - Google Patents

Appareil cryptographique

Info

Publication number
FR730433A
FR730433A FR730433DA FR730433A FR 730433 A FR730433 A FR 730433A FR 730433D A FR730433D A FR 730433DA FR 730433 A FR730433 A FR 730433A
Authority
FR
France
Prior art keywords
cryptographic device
cryptographic
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)
Inventor
Peter Georg Grove Beyer
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 filed Critical
Application granted granted Critical
Publication of FR730433A publication Critical patent/FR730433A/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)
  • Mechanical Operated Clutches (AREA)
FR730433D 1932-01-23 1932-01-23 Appareil cryptographique Expired FR730433A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
BE385896T 1932-01-23
NL59946A NL35362C (fr) 1932-01-23 1932-01-23
FR730433T 1932-01-23
DEB154052D DE601153C (de) 1932-01-23 1932-01-24 Vorrichtung zum Chiffrieren
US588795A US1949140A (en) 1932-01-23 1932-01-25 Cryptographic apparatus

Publications (1)

Publication Number Publication Date
FR730433A true FR730433A (fr) 1932-08-12

Family

ID=8158230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730433D Expired FR730433A (fr) 1932-01-23 1932-01-23 Appareil cryptographique

Country Status (5)

Country Link
US (1) US1949140A (fr)
BE (1) BE385896A (fr)
DE (1) DE601153C (fr)
FR (1) FR730433A (fr)
NL (1) NL35362C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974447C (de) * 1943-05-15 1960-12-29 Normalzeit G M B H Verschluesselungsgeraet

Also Published As

Publication number Publication date
DE601153C (de) 1934-08-10
BE385896A (fr) 1932-02-29
NL35362C (fr) 1935-05-15
US1949140A (en) 1934-02-27

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