CH212742A - Method and device for the transmission of messages. - Google Patents

Method and device for the transmission of messages.

Info

Publication number
CH212742A
CH212742A CH212742DA CH212742A CH 212742 A CH212742 A CH 212742A CH 212742D A CH212742D A CH 212742DA CH 212742 A CH212742 A CH 212742A
Authority
CH
Switzerland
Prior art keywords
messages
transmission
Prior art date
Application number
Other languages
German (de)
Inventor
Cie Aktiengesellschaft Boveri
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH212742A publication Critical patent/CH212742A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Storage Device Security (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CH212742D 1939-10-02 1939-10-02 Method and device for the transmission of messages. CH212742A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH545507X 1939-10-02
CH228587T 1940-07-20

Publications (1)

Publication Number Publication Date
CH212742A true CH212742A (en) 1940-12-15

Family

ID=25727233

Family Applications (2)

Application Number Title Priority Date Filing Date
CH212742D CH212742A (en) 1939-10-02 1939-10-02 Method and device for the transmission of messages.
CH228587D CH228587A (en) 1939-10-02 1940-07-20 Device for the transmission of messages.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH228587D CH228587A (en) 1939-10-02 1940-07-20 Device for the transmission of messages.

Country Status (4)

Country Link
CH (2) CH212742A (en)
DE (2) DE727024C (en)
FR (1) FR867793A (en)
GB (1) GB545507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321902A1 (en) * 1973-03-19 1974-09-26 Patelhold Patentverwertung PROCEDURE AND DEVICE FOR ENCRYPTED MESSAGE TRANSMISSION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321902A1 (en) * 1973-03-19 1974-09-26 Patelhold Patentverwertung PROCEDURE AND DEVICE FOR ENCRYPTED MESSAGE TRANSMISSION

Also Published As

Publication number Publication date
CH228587A (en) 1943-08-31
DE727024C (en) 1942-10-26
GB545507A (en) 1942-05-29
FR867793A (en) 1941-11-27
DE734627C (en) 1943-04-22

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