NL7404542A - - Google Patents

Info

Publication number
NL7404542A
NL7404542A NL7404542A NL7404542A NL7404542A NL 7404542 A NL7404542 A NL 7404542A NL 7404542 A NL7404542 A NL 7404542A NL 7404542 A NL7404542 A NL 7404542A NL 7404542 A NL7404542 A NL 7404542A
Authority
NL
Netherlands
Application number
NL7404542A
Other versions
NL167069C (en
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 filed Critical
Publication of NL7404542A publication Critical patent/NL7404542A/xx
Application granted granted Critical
Publication of NL167069C publication Critical patent/NL167069C/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/04Secret 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)
NL7404542.A 1973-04-03 1974-04-03 SYSTEM FOR THE TRANSFERRED TRANSMISSION OF VOICE SIGNALS. NL167069C (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
NL7404542A true NL7404542A (en) 1974-10-07
NL167069C NL167069C (en) 1981-10-15

Family

ID=5876880

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7404542.A NL167069C (en) 1973-04-03 1974-04-03 SYSTEM FOR THE TRANSFERRED 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
EP2178235B1 (en) * 2008-10-17 2011-10-05 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
IT1011198B (en) 1977-01-20
IL44495A (en) 1977-01-31
LU69773A1 (en) 1974-07-18
ATA270674A (en) 1976-04-15
BE813245A (en) 1974-10-03
AT333851B (en) 1976-12-10
IL44495A0 (en) 1974-06-30
AU6738374A (en) 1975-10-02
CH576215A5 (en) 1976-05-31
IE39093B1 (en) 1978-08-02
IE39093L (en) 1974-10-03
NL167069C (en) 1981-10-15
DE2316647B2 (en) 1975-10-30
FR2224946B1 (en) 1979-05-25
DE2316647A1 (en) 1974-10-17
SE397035B (en) 1977-10-10
DK137000C (en) 1978-05-29
DK137000B (en) 1977-12-27
ZA742085B (en) 1975-03-26
FR2224946A1 (en) 1974-10-31
AU484739B2 (en) 1975-10-02

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