GB306407A - - Google Patents

Info

Publication number
GB306407A
GB306407A GB537829A GB537829A GB306407A GB 306407 A GB306407 A GB 306407A GB 537829 A GB537829 A GB 537829A GB 537829 A GB537829 A GB 537829A GB 306407 A GB306407 A GB 306407A
Authority
GB
United Kingdom
Prior art keywords
sections
message
retardation device
pick
transmitter
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
GB537829A
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Publication of GB306407A publication Critical patent/GB306407A/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
    • H04L9/34—Bits, or blocks of bits, of the telegraphic message being interchanged in time
    • 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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Electronic Switches (AREA)
GB537829A 1928-02-19 1929-02-18 Expired GB306407A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES84234D DE555095C (de) 1928-02-19 1928-02-19 Signaluebertragungssystem mit Geheimhaltung, bei dem die Signalstroeme periodisch in Abschnitte zerlegt werden, deren Reihenfolge durch Vertauschen geaendert wird

Publications (1)

Publication Number Publication Date
GB306407A true GB306407A (de) 1930-05-15

Family

ID=7511563

Family Applications (1)

Application Number Title Priority Date Filing Date
GB537829A Expired GB306407A (de) 1928-02-19 1929-02-18

Country Status (2)

Country Link
DE (1) DE555095C (de)
GB (1) GB306407A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913525A (en) * 1949-07-12 1959-11-17 Gen Dynamics Corp Secret communicating system
EP1462584A2 (de) 2003-03-28 2004-09-29 Wynn Peter Holloway Verbunddachplatte

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767229C (de) * 1940-09-28 1952-03-03 Lorenz A G C Verfahren zur Geheimhaltung von Telegraphie, Telephonie und sonstiger Signale, bei dem fuer die magnetische Speicherung in der Sende- und Empfangseinrichtung ein walzenfoermiger, rotierender Speicher verwendet wird

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913525A (en) * 1949-07-12 1959-11-17 Gen Dynamics Corp Secret communicating system
EP1462584A2 (de) 2003-03-28 2004-09-29 Wynn Peter Holloway Verbunddachplatte

Also Published As

Publication number Publication date
DE555095C (de) 1932-07-20

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