IT1011198B - DEVICE FOR THE MASKED TRANSMISSION OF VOICE SIGNALS - Google Patents

DEVICE FOR THE MASKED TRANSMISSION OF VOICE SIGNALS

Info

Publication number
IT1011198B
IT1011198B IT49876/74A IT4987674A IT1011198B IT 1011198 B IT1011198 B IT 1011198B IT 49876/74 A IT49876/74 A IT 49876/74A IT 4987674 A IT4987674 A IT 4987674A IT 1011198 B IT1011198 B IT 1011198B
Authority
IT
Italy
Prior art keywords
voice signals
masked
transmission
masked transmission
voice
Prior art date
Application number
IT49876/74A
Other languages
Italian (it)
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 IT1011198B publication Critical patent/IT1011198B/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)
IT49876/74A 1973-04-03 1974-03-29 DEVICE FOR THE MASKED TRANSMISSION OF VOICE SIGNALS IT1011198B (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 (1)

Publication Number Publication Date
IT1011198B true IT1011198B (en) 1977-01-20

Family

ID=5876880

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49876/74A IT1011198B (en) 1973-04-03 1974-03-29 DEVICE FOR THE MASKED 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
SE397035B (en) 1977-10-10
AT333851B (en) 1976-12-10
LU69773A1 (en) 1974-07-18
DK137000B (en) 1977-12-27
IL44495A0 (en) 1974-06-30
NL7404542A (en) 1974-10-07
IL44495A (en) 1977-01-31
ZA742085B (en) 1975-03-26
FR2224946A1 (en) 1974-10-31
DE2316647A1 (en) 1974-10-17
CH576215A5 (en) 1976-05-31
AU484739B2 (en) 1975-10-02
DK137000C (en) 1978-05-29
ATA270674A (en) 1976-04-15
IE39093B1 (en) 1978-08-02
IE39093L (en) 1974-10-03
FR2224946B1 (en) 1979-05-25
GB1465923A (en) 1977-03-02
DE2316647B2 (en) 1975-10-30
BE813245A (en) 1974-10-03
NL167069C (en) 1981-10-15
AU6738374A (en) 1975-10-02

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