AU6738374A - Camouflaged speech signal transmission systems - Google Patents

Camouflaged speech signal transmission systems

Info

Publication number
AU6738374A
AU6738374A AU67383/74A AU6738374A AU6738374A AU 6738374 A AU6738374 A AU 6738374A AU 67383/74 A AU67383/74 A AU 67383/74A AU 6738374 A AU6738374 A AU 6738374A AU 6738374 A AU6738374 A AU 6738374A
Authority
AU
Australia
Prior art keywords
camouflaged
signal transmission
speech signal
transmission systems
systems
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
AU67383/74A
Other versions
AU484739B2 (en
Inventor
Bendel And Kurt Buchmann Hermann
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 AG
Original Assignee
Siemens 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
Priority claimed from DE19732316647 external-priority patent/DE2316647C3/en
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of AU6738374A publication Critical patent/AU6738374A/en
Publication of AU484739B2 publication Critical patent/AU484739B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Noise Elimination (AREA)
AU67383/74A 1973-04-03 1974-04-01 Camouflaged speech signal transmission systems Expired AU484739B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732316647 DE2316647C3 (en) 1973-04-03 Method for the disguised transmission of speech signals
DEDE823166 1973-04-03

Publications (2)

Publication Number Publication Date
AU6738374A true AU6738374A (en) 1975-10-02
AU484739B2 AU484739B2 (en) 1975-10-02

Family

ID=5876880

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67383/74A Expired AU484739B2 (en) 1973-04-03 1974-04-01 Camouflaged speech signal transmission systems

Country Status (14)

Country Link
AT (1) AT333851B (en)
AU (1) AU484739B2 (en)
BE (1) BE813245A (en)
CH (1) CH576215A5 (en)
DK (1) DK137000C (en)
FR (1) FR2224946B1 (en)
GB (1) GB1465923A (en)
IE (1) IE39093B1 (en)
IL (1) IL44495A (en)
IT (1) IT1011198B (en)
LU (1) LU69773A1 (en)
NL (1) NL167069C (en)
SE (1) SE397035B (en)
ZA (1) ZA742085B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596716A5 (en) * 1974-07-19 1978-03-15 Siemens Ag
DE3735781A1 (en) * 1987-10-22 1989-05-03 Grundig Emv METHOD FOR VOICE ENCRYPTION WITH SIMULTANEOUS DATA TRANSMISSION IN NARROW-BAND TRANSMISSION SYSTEMS
ATE527768T1 (en) * 2008-10-17 2011-10-15 Signalgenerix Ltd ENCRYPTION OF INFORMATION SIGNALS
RU2602598C1 (en) * 2015-09-14 2016-11-20 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Method of generating and processing signal built in masking interference

Also Published As

Publication number Publication date
IL44495A (en) 1977-01-31
IE39093B1 (en) 1978-08-02
IE39093L (en) 1974-10-03
AT333851B (en) 1976-12-10
FR2224946A1 (en) 1974-10-31
CH576215A5 (en) 1976-05-31
DE2316647A1 (en) 1974-10-17
NL167069C (en) 1981-10-15
ZA742085B (en) 1975-03-26
IT1011198B (en) 1977-01-20
FR2224946B1 (en) 1979-05-25
LU69773A1 (en) 1974-07-18
BE813245A (en) 1974-10-03
NL7404542A (en) 1974-10-07
GB1465923A (en) 1977-03-02
IL44495A0 (en) 1974-06-30
DE2316647B2 (en) 1975-10-30
DK137000C (en) 1978-05-29
DK137000B (en) 1977-12-27
AU484739B2 (en) 1975-10-02
ATA270674A (en) 1976-04-15
SE397035B (en) 1977-10-10

Similar Documents

Publication Publication Date Title
CA973984A (en) Telephone looptest system
CA1023016A (en) Signal equalisers
CA1014258A (en) Two-way acoustic telemetering system
CA1021053A (en) Picture transmission systems
CA991748A (en) Pcm transmission system
CA1007989A (en) Sound communication system
CA1025056A (en) Communication system incorporating signal delay
CA1031391A (en) Energy-absorbing systems
AU484739B2 (en) Camouflaged speech signal transmission systems
AU476805B2 (en) Signal transmission system
CA1006825A (en) Sound communication system
AU495117B2 (en) Signal transmission system
AU7475174A (en) Signal transmission system
AU476856B2 (en) Alarm system
CA1023486A (en) Transmission system
CA868650A (en) Telephone signal transmission system
CA878748A (en) Signal transmission systems
AU488251B2 (en) Surround sound systems
AU482729B2 (en) Signal transmission system
CA917265A (en) Signal transmission system
AU482774B2 (en) Ignition systems
CA1013049A (en) Signal transmitter
AU493439B2 (en) Data transmission system
AU484895B2 (en) Character representation systems
AU464061B2 (en) Signal transmission system