ATA270674A - CIRCUIT ARRANGEMENT FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS - Google Patents

CIRCUIT ARRANGEMENT FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS

Info

Publication number
ATA270674A
ATA270674A AT270674A AT270674A ATA270674A AT A270674 A ATA270674 A AT A270674A AT 270674 A AT270674 A AT 270674A AT 270674 A AT270674 A AT 270674A AT A270674 A ATA270674 A AT A270674A
Authority
AT
Austria
Prior art keywords
circuit arrangement
voice signals
discovered transmission
discovered
transmission
Prior art date
Application number
AT270674A
Other languages
German (de)
Other versions
AT333851B (en
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
Publication of ATA270674A publication Critical patent/ATA270674A/en
Application granted granted Critical
Publication of AT333851B publication Critical patent/AT333851B/en

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)
AT270674A 1973-04-03 1974-04-01 CIRCUIT ARRANGEMENT FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS AT333851B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA270674A true ATA270674A (en) 1976-04-15
AT333851B AT333851B (en) 1976-12-10

Family

ID=5876880

Family Applications (1)

Application Number Title Priority Date Filing Date
AT270674A AT333851B (en) 1973-04-03 1974-04-01 CIRCUIT ARRANGEMENT FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS

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
GB1465923A (en) 1977-03-02
IL44495A0 (en) 1974-06-30
IE39093B1 (en) 1978-08-02
IE39093L (en) 1974-10-03
CH576215A5 (en) 1976-05-31
IL44495A (en) 1977-01-31
SE397035B (en) 1977-10-10
FR2224946B1 (en) 1979-05-25
DK137000B (en) 1977-12-27
FR2224946A1 (en) 1974-10-31
LU69773A1 (en) 1974-07-18
AU6738374A (en) 1975-10-02
ZA742085B (en) 1975-03-26
BE813245A (en) 1974-10-03
NL167069C (en) 1981-10-15
AT333851B (en) 1976-12-10
NL7404542A (en) 1974-10-07
DK137000C (en) 1978-05-29
DE2316647B2 (en) 1975-10-30
AU484739B2 (en) 1975-10-02
IT1011198B (en) 1977-01-20
DE2316647A1 (en) 1974-10-17

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Legal Events

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ELJ Ceased due to non-payment of the annual fee