AT351603B - System zur uebertragung verschluesselter sprach- signale - Google Patents

System zur uebertragung verschluesselter sprach- signale

Info

Publication number
AT351603B
AT351603B AT391676A AT391676A AT351603B AT 351603 B AT351603 B AT 351603B AT 391676 A AT391676 A AT 391676A AT 391676 A AT391676 A AT 391676A AT 351603 B AT351603 B AT 351603B
Authority
AT
Austria
Prior art keywords
voice signals
encrypted voice
transmitting encrypted
transmitting
signals
Prior art date
Application number
AT391676A
Other languages
English (en)
Other versions
ATA391676A (de
Inventor
Joerg Dr Robra
Peter Dipl-Ing Rohm
Gerhard Ing Kaminski
Helmut Ing 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 ATA391676A publication Critical patent/ATA391676A/de
Application granted granted Critical
Publication of AT351603B publication Critical patent/AT351603B/de

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)
AT391676A 1975-05-30 1976-05-28 System zur uebertragung verschluesselter sprach- signale AT351603B (de)

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
ATA391676A ATA391676A (de) 1979-01-15
AT351603B true AT351603B (de) 1979-08-10

Family

ID=5947713

Family Applications (1)

Application Number Title Priority Date Filing Date
AT391676A AT351603B (de) 1975-05-30 1976-05-28 System zur uebertragung verschluesselter sprach- signale

Country Status (11)

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

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.
BE455172A (de) * 1943-04-05
CH246844A (de) * 1945-09-15 1947-01-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Verschleierung von elektrisch übermittelten Sprachnachrichten.
FR1582036A (de) * 1968-03-15 1969-09-26

Also Published As

Publication number Publication date
DK139408B (da) 1979-02-12
FR2312895A1 (fr) 1976-12-24
NL171003C (nl) 1983-01-17
CH613575A5 (en) 1979-09-28
ATA391676A (de) 1979-01-15
AU1437276A (en) 1977-12-01
DK139408C (da) 1979-07-30
DE2523828B1 (de) 1976-11-25
DE2523828C2 (de) 1982-08-12
SE409798B (sv) 1979-09-03
BE842316A (fr) 1976-09-16
DK155076A (da) 1976-12-01
SE7605731L (sv) 1976-12-01
FR2312895B1 (de) 1982-06-11
NL171003B (nl) 1982-08-16
NL7602959A (nl) 1976-12-02
ZA763090B (en) 1978-01-25
GB1522062A (en) 1978-08-23
AU501272B2 (en) 1979-06-14

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee