SE7605731L - Forfarande for forvrengning av talsignaler - Google Patents

Forfarande for forvrengning av talsignaler

Info

Publication number
SE7605731L
SE7605731L SE7605731A SE7605731A SE7605731L SE 7605731 L SE7605731 L SE 7605731L SE 7605731 A SE7605731 A SE 7605731A SE 7605731 A SE7605731 A SE 7605731A SE 7605731 L SE7605731 L SE 7605731L
Authority
SE
Sweden
Prior art keywords
carried out
transformed
encrypted
encryption
arrangement
Prior art date
Application number
SE7605731A
Other languages
English (en)
Swedish (sv)
Other versions
SE409798B (sv
Inventor
J Robra
P Rohm
G Kaminski
H Gruhl
Original Assignee
Tekade Felten & Guilleaume
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 Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume
Publication of SE7605731L publication Critical patent/SE7605731L/
Publication of SE409798B publication Critical patent/SE409798B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SE7605731A 1975-05-30 1976-05-20 Forfarande for forvrengning av talsignaler SE409798B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2523828A DE2523828C2 (de) 1975-05-30 1975-05-30 Verfahren zur Verschleierung von Sprachsignalen mit Hilfe orthogonaler Matrizen

Publications (2)

Publication Number Publication Date
SE7605731L true SE7605731L (sv) 1976-12-01
SE409798B SE409798B (sv) 1979-09-03

Family

ID=5947713

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7605731A SE409798B (sv) 1975-05-30 1976-05-20 Forfarande for forvrengning av talsignaler

Country Status (11)

Country Link
AT (1) AT351603B ( )
AU (1) AU501272B2 ( )
BE (1) BE842316A ( )
CH (1) CH613575A5 ( )
DE (1) DE2523828C2 ( )
DK (1) DK139408C ( )
FR (1) FR2312895A1 ( )
GB (1) GB1522062A ( )
NL (1) NL171003C ( )
SE (1) SE409798B ( )
ZA (1) ZA763090B ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811635A1 (de) * 1978-03-17 1979-09-20 Tekade Felten & Guilleaume Pseudozufaellige erzeugung von orthogonalen matrizen fuer verschluesselungszwecke
CH649181A5 (de) * 1980-02-01 1985-04-30 Schweiz Eidgenossenschaft Verfahren und schaltungsanordnung zur gesicherten uebertragung von sprachsignalen.
JP3724676B2 (ja) * 1997-03-10 2005-12-07 ソニー株式会社 通信方法及び送信装置並びに受信装置
JPH1168696A (ja) * 1997-08-19 1999-03-09 Sony Corp 通信方法及び送信装置及び受信装置並びにセルラー無線通信システム
CN110489989A (zh) * 2019-08-27 2019-11-22 深圳市道通智能航空技术有限公司 数据加密/解密方法、其加密/解密芯片及其无人机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH232786A (de) * 1939-07-14 1944-06-15 Patelhold Patentverwertung Einrichtung zur geheimen Nachrichtenübermittlung.
CH237094A (de) * 1939-07-26 1945-03-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Übermittlung von geheimzuhaltenden Nachrichten.
NL63459C ( ) * 1943-04-05
CH246844A (de) * 1945-09-15 1947-01-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Verschleierung von elektrisch übermittelten Sprachnachrichten.
FR1582036A ( ) * 1968-03-15 1969-09-26

Also Published As

Publication number Publication date
DK155076A (da) 1976-12-01
DE2523828B1 (de) 1976-11-25
FR2312895B1 ( ) 1982-06-11
ZA763090B (en) 1978-01-25
NL171003C (nl) 1983-01-17
AT351603B (de) 1979-08-10
ATA391676A (de) 1979-01-15
AU1437276A (en) 1977-12-01
NL7602959A (nl) 1976-12-02
NL171003B (nl) 1982-08-16
DK139408C (da) 1979-07-30
CH613575A5 (en) 1979-09-28
GB1522062A (en) 1978-08-23
FR2312895A1 (fr) 1976-12-24
DK139408B (da) 1979-02-12
DE2523828C2 (de) 1982-08-12
BE842316A (fr) 1976-09-16
AU501272B2 (en) 1979-06-14
SE409798B (sv) 1979-09-03

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