GB306419A - - Google Patents

Info

Publication number
GB306419A
GB306419A GB5442/29A GB544229A GB306419A GB 306419 A GB306419 A GB 306419A GB 5442/29 A GB5442/29 A GB 5442/29A GB 544229 A GB544229 A GB 544229A GB 306419 A GB306419 A GB 306419A
Authority
GB
United Kingdom
Prior art keywords
sections
ges
assignees
secrecy
siemens
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
GB5442/29A
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.)
Telefunken AG
Original Assignee
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Publication of GB306419A publication Critical patent/GB306419A/en
Expired legal-status Critical Current

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)
  • Mobile Radio Communication Systems (AREA)

Abstract

306,419. Telefunken Ges. f³r Drahtlose Telegraphie, (Assignees of Siemens & Halske Akt.-Ges.). Feb. 18, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Code telegraphy.-Secrecy is secured in a telephone or telegraph system by dividing the message into sections of unequal length, and transmitting the sections in transposed sequence. The description is substantially the same as that in Specification 306,407.
GB5442/29A 1928-02-18 1929-02-18 Expired GB306419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE306419T 1928-02-18

Publications (1)

Publication Number Publication Date
GB306419A true GB306419A (en) 1930-01-16

Family

ID=31894455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5442/29A Expired GB306419A (en) 1928-02-18 1929-02-18

Country Status (2)

Country Link
FR (1) FR669818A (en)
GB (1) GB306419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386041A (en) * 2002-03-01 2003-09-03 Sensaura Ltd A method of modifying intermittent audio signals such as speech or musical notes in real time

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386041A (en) * 2002-03-01 2003-09-03 Sensaura Ltd A method of modifying intermittent audio signals such as speech or musical notes in real time

Also Published As

Publication number Publication date
FR669818A (en) 1929-11-21

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