GB191126039A - Type Printing Telegraph Apparatus for Line Telegraphy and Radio-Telegraphy having an Arrangement for Producing Secret Signal Characters. - Google Patents

Type Printing Telegraph Apparatus for Line Telegraphy and Radio-Telegraphy having an Arrangement for Producing Secret Signal Characters.

Info

Publication number
GB191126039A
GB191126039A GB191126039DA GB191126039A GB 191126039 A GB191126039 A GB 191126039A GB 191126039D A GB191126039D A GB 191126039DA GB 191126039 A GB191126039 A GB 191126039A
Authority
GB
United Kingdom
Prior art keywords
telegraphy
radio
arrangement
type printing
line
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOVLANDS RADIOTELEGRAF AS
Original Assignee
HOVLANDS RADIOTELEGRAF AS
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 HOVLANDS RADIOTELEGRAF AS filed Critical HOVLANDS RADIOTELEGRAF AS
Application granted granted Critical
Publication of GB191126039A publication Critical patent/GB191126039A/en
Expired legal-status Critical Current

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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB191126039D 1910-11-21 1911-11-21 Type Printing Telegraph Apparatus for Line Telegraphy and Radio-Telegraphy having an Arrangement for Producing Secret Signal Characters. Expired GB191126039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO191126039X 1910-11-21

Publications (1)

Publication Number Publication Date
GB191126039A true GB191126039A (en) 1912-09-26

Family

ID=32589248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191126039D Expired GB191126039A (en) 1910-11-21 1911-11-21 Type Printing Telegraph Apparatus for Line Telegraphy and Radio-Telegraphy having an Arrangement for Producing Secret Signal Characters.

Country Status (2)

Country Link
DE (1) DE260809C (https=)
GB (1) GB191126039A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758707C (de) * 1937-08-27 1953-08-24 Erich Dr-Ing Hudec Telegraphierverfahren zur UEbertragung von Nachrichten auf elektrischen, insbesondere kurzen Wellen

Also Published As

Publication number Publication date
DE260809C (https=)

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