GB1465923A - Camouflaged speech signal transmission systems - Google Patents

Camouflaged speech signal transmission systems

Info

Publication number
GB1465923A
GB1465923A GB1188174A GB1188174A GB1465923A GB 1465923 A GB1465923 A GB 1465923A GB 1188174 A GB1188174 A GB 1188174A GB 1188174 A GB1188174 A GB 1188174A GB 1465923 A GB1465923 A GB 1465923A
Authority
GB
United Kingdom
Prior art keywords
speech
band
sub
modulated
transmission 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
GB1188174A
Other languages
English (en)
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 Corp
Original Assignee
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
Priority claimed from DE19732316647 external-priority patent/DE2316647C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Priority to IN1772/CAL/74A priority Critical patent/IN140135B/en
Publication of GB1465923A publication Critical patent/GB1465923A/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)
GB1188174A 1973-04-03 1974-03-18 Camouflaged speech signal transmission systems Expired GB1465923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN1772/CAL/74A IN140135B (enExample) 1973-04-03 1974-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732316647 DE2316647C3 (de) 1973-04-03 Verfahren zur verschleierten Übertragung von Sprachsignalen

Publications (1)

Publication Number Publication Date
GB1465923A true GB1465923A (en) 1977-03-02

Family

ID=5876880

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1188174A Expired GB1465923A (en) 1973-04-03 1974-03-18 Camouflaged speech signal transmission systems

Country Status (14)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2178235A1 (en) * 2008-10-17 2010-04-21 SignalGeneriX Ltd. Encryption of information signals
RU2602598C1 (ru) * 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 Способ формирования и обработки сигнала, встроенного в маскирующую помеху

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596716A5 (enExample) * 1974-07-19 1978-03-15 Siemens Ag
DE3735781A1 (de) * 1987-10-22 1989-05-03 Grundig Emv Verfahren zur sprachverschluesselung mit gleichzeitiger datenuebertragung in schmalbandigen uebertragungssystemen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2178235A1 (en) * 2008-10-17 2010-04-21 SignalGeneriX Ltd. Encryption of information signals
RU2602598C1 (ru) * 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 Способ формирования и обработки сигнала, встроенного в маскирующую помеху

Also Published As

Publication number Publication date
FR2224946A1 (enExample) 1974-10-31
IL44495A0 (en) 1974-06-30
FR2224946B1 (enExample) 1979-05-25
IE39093B1 (en) 1978-08-02
IE39093L (en) 1974-10-03
AT333851B (de) 1976-12-10
NL7404542A (enExample) 1974-10-07
DE2316647B2 (de) 1975-10-30
NL167069C (nl) 1981-10-15
LU69773A1 (enExample) 1974-07-18
IT1011198B (it) 1977-01-20
ATA270674A (de) 1976-04-15
AU6738374A (en) 1975-10-02
CH576215A5 (enExample) 1976-05-31
IL44495A (en) 1977-01-31
DK137000B (da) 1977-12-27
DK137000C (da) 1978-05-29
AU484739B2 (en) 1975-10-02
SE397035B (sv) 1977-10-10
ZA742085B (en) 1975-03-26
DE2316647A1 (de) 1974-10-17
BE813245A (fr) 1974-10-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee