CH326802A - Telegraph equipment - Google Patents

Telegraph equipment

Info

Publication number
CH326802A
CH326802A CH326802DA CH326802A CH 326802 A CH326802 A CH 326802A CH 326802D A CH326802D A CH 326802DA CH 326802 A CH326802 A CH 326802A
Authority
CH
Switzerland
Prior art keywords
telegraph equipment
telegraph
equipment
Prior art date
Application number
Other languages
German (de)
Inventor
Dreyse Richard
Original Assignee
Dreyse Richard
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 Dreyse Richard filed Critical Dreyse Richard
Publication of CH326802A publication Critical patent/CH326802A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/38—Encryption being effected by mechanical apparatus, e.g. rotating cams, switches, keytape punchers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/36—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with means for detecting characters not meant for transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Document Processing Apparatus (AREA)
CH326802D 1953-08-18 1955-07-28 Telegraph equipment CH326802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US374848A US2789159A (en) 1953-08-18 1953-08-18 Translating device for transmitting and receiving coded messages

Publications (1)

Publication Number Publication Date
CH326802A true CH326802A (en) 1957-12-31

Family

ID=23478442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH326802D CH326802A (en) 1953-08-18 1955-07-28 Telegraph equipment

Country Status (2)

Country Link
US (1) US2789159A (en)
CH (1) CH326802A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675477A (en) * 1964-05-13 1987-06-23 The United States Of America As Represented By The Secretary Of The Army Electronic device providing automatic permutations of a Vigenere Square

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB341073A (en) * 1929-10-05 1931-01-05 Richard Michel New or improved telegraphic apparatus for secret transmissions
BE381441A (en) * 1930-07-18
US2269341A (en) * 1938-11-08 1942-01-06 Internat Code Machine Company Message transmission device

Also Published As

Publication number Publication date
US2789159A (en) 1957-04-16

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