FR758820A - Appareil à cryptographier - Google Patents

Appareil à cryptographier

Info

Publication number: FR758820A
Authority: FR; France
Prior art keywords: cryptographic device; cryptographic
Prior art date: 1932-10-21
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

Inventor

Louis Battistelli

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.)

1932-10-21

Filing date

1932-10-21

Publication date

1934-01-24

1932-10-21 Application filed filed Critical

1934-01-24 Application granted granted Critical

1934-01-24 Publication of FR758820A publication Critical patent/FR758820A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
- G09C1/06—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
- G09C1/08—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted 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)

FR758820D 1932-10-21 1932-10-21 Appareil à cryptographier Expired FR758820A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR758820T		1932-10-21

Publications (1)

Publication Number	Publication Date
FR758820A true FR758820A (fr)	1934-01-24

Family

ID=9166893

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR758820D Expired FR758820A (fr)	1932-10-21	1932-10-21	Appareil à cryptographier

Country Status (1)

Country	Link
FR (1)	FR758820A (fr)

1932
- 1932-10-21 FR FR758820D patent/FR758820A/fr not_active Expired

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