FR627706A - Système de communications électriques secrètes - Google Patents

Système de communications électriques secrètes

Info

Publication number
FR627706A
FR627706A FR627706DA FR627706A FR 627706 A FR627706 A FR 627706A FR 627706D A FR627706D A FR 627706DA FR 627706 A FR627706 A FR 627706A
Authority
FR
France
Prior art keywords
communications system
electrical communications
secret
secret electrical
electrical
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
Jean-Louis-Joseph Jammet
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 FR627706A publication Critical patent/FR627706A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00Apparatus 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
    • G09C1/06Apparatus 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
    • G09C1/10Apparatus 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 electrical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR627706D 1926-09-27 1926-09-27 Système de communications électriques secrètes Expired FR627706A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR627706T 1926-09-27

Publications (1)

Publication Number Publication Date
FR627706A true FR627706A (fr) 1927-10-11

Family

ID=8989198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR627706D Expired FR627706A (fr) 1926-09-27 1926-09-27 Système de communications électriques secrètes

Country Status (1)

Country Link
FR (1) FR627706A (fr)

Similar Documents

Publication Publication Date Title
FR721499A (fr) Système télegraphique secret
FR32851E (fr) Système de télégraphie secrète
FR627706A (fr) Système de communications électriques secrètes
CH152095A (de) Elektrische Übertragungsanlage.
FR621470A (fr) Système de transmission télégraphique
FR31681E (fr) Système perfectionné de seringue-ampoule
FR643302A (fr) Installation télégraphique multiple
FR652000A (fr) Système de communication par courant porteur
FR31357E (fr) Système de radiotélégraphie secrète
FR699469A (fr) Système télégraphique par courants porteurs
FR613000A (fr) Système de distribution radiotéléphonique
DK43938C (da) Elektrisk Transmissionssystem.
BE333145A (fr) Système perfectionné de seringue-ampoule
CH138455A (de) Elektrische Übertragungsanlage.
ES96497A1 (es) Procedimientos de contra-telegrafía para cables telegráficos.
FR625839A (fr) Système perfectionné de haut-parleur
DK46223C (da) Elektrisk Bølgesignaleringssystem.
BE349891A (fr) Système perfectionné de seringue-ampoule
DK44113C (da) Telefonsystem.
DK38904C (da) Telefonsystem.
GR1451B (el) Τηλεφωνικον συστημα.
GR1235B (el) Τηλεγραφωνου
FR625837A (fr) Système de transmission
CA259658A (fr) Systeme telegraphique
CA261393A (fr) Systeme telegraphique