FR669818A - Système de transmission de signaux à secret - Google Patents

Système de transmission de signaux à secret

Info

Publication number
FR669818A
FR669818A FR669818DA FR669818A FR 669818 A FR669818 A FR 669818A FR 669818D A FR669818D A FR 669818DA FR 669818 A FR669818 A FR 669818A
Authority
FR
France
Prior art keywords
signal transmission
transmission system
secret signal
secret
transmission
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)
French (fr)
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
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR669818A publication Critical patent/FR669818A/fr
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)
FR669818D 1928-02-18 1929-02-18 Système de transmission de signaux à secret Expired FR669818A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR669818A true FR669818A (fr) 1929-11-21

Family

ID=31894455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669818D Expired FR669818A (fr) 1928-02-18 1929-02-18 Système de transmission de signaux à secret

Country Status (2)

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

Families Citing this family (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
GB306419A (enrdf_load_stackoverflow) 1930-01-16

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