AT341003B - DEVICE FOR VARIOUS TRANSMISSION OF VOICE SIGNALS - Google Patents

DEVICE FOR VARIOUS TRANSMISSION OF VOICE SIGNALS

Info

Publication number
AT341003B
AT341003B AT526575A AT526575A AT341003B AT 341003 B AT341003 B AT 341003B AT 526575 A AT526575 A AT 526575A AT 526575 A AT526575 A AT 526575A AT 341003 B AT341003 B AT 341003B
Authority
AT
Austria
Prior art keywords
voice signals
various transmission
transmission
various
voice
Prior art date
Application number
AT526575A
Other languages
German (de)
Other versions
ATA526575A (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 DE19742434877 external-priority patent/DE2434877C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA526575A publication Critical patent/ATA526575A/en
Application granted granted Critical
Publication of AT341003B publication Critical patent/AT341003B/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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Television Systems (AREA)
  • Transmitters (AREA)
AT526575A 1974-07-19 1975-07-08 DEVICE FOR VARIOUS TRANSMISSION OF VOICE SIGNALS AT341003B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742434877 DE2434877C3 (en) 1974-07-19 Device for the disguised transmission of speech signals

Publications (2)

Publication Number Publication Date
ATA526575A ATA526575A (en) 1977-05-15
AT341003B true AT341003B (en) 1978-01-10

Family

ID=5921046

Family Applications (1)

Application Number Title Priority Date Filing Date
AT526575A AT341003B (en) 1974-07-19 1975-07-08 DEVICE FOR VARIOUS TRANSMISSION OF VOICE SIGNALS

Country Status (16)

Country Link
JP (1) JPS5826706B2 (en)
AT (1) AT341003B (en)
AU (1) AU501260B2 (en)
BE (1) BE831528A (en)
CH (1) CH596716A5 (en)
DK (1) DK140914C (en)
FR (1) FR2285029A1 (en)
GB (1) GB1512696A (en)
IE (1) IE41265B1 (en)
IL (1) IL47692A (en)
IN (1) IN147050B (en)
IT (1) IT1039917B (en)
LU (1) LU73007A1 (en)
NL (1) NL169664C (en)
SE (1) SE410259B (en)
ZA (1) ZA754406B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151886A (en) * 1983-12-21 1985-07-24 British Broadcasting Corp Conditional-access broadcast transmission
CA1226914A (en) * 1984-01-26 1987-09-15 The University Of British Columbia Modem for pseudo noise communication on a.c. lines
JP2761281B2 (en) * 1990-05-17 1998-06-04 富士通株式会社 Encrypted communication method for multi-carrier communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1278172A (en) * 1960-10-28 1961-12-08 Cie Ind Des Telephones Electronic coding device for radio or telephone links
FR2129013A5 (en) * 1971-03-11 1972-10-27 Snecma
GB1465923A (en) * 1973-04-03 1977-03-02 Siemens Ag Camouflaged speech signal transmission systems

Also Published As

Publication number Publication date
IT1039917B (en) 1979-12-10
AU501260B2 (en) 1979-06-14
FR2285029B1 (en) 1977-12-16
AU8290875A (en) 1977-01-13
IE41265B1 (en) 1979-11-21
LU73007A1 (en) 1976-07-01
NL7508643A (en) 1976-01-21
IL47692A (en) 1977-11-30
GB1512696A (en) 1978-06-01
NL169664B (en) 1982-03-01
BE831528A (en) 1976-01-19
DK328275A (en) 1976-01-20
SE410259B (en) 1979-10-01
SE7508246L (en) 1976-01-20
ATA526575A (en) 1977-05-15
NL169664C (en) 1982-08-02
IL47692A0 (en) 1975-12-31
DE2434877B2 (en) 1976-05-13
DE2434877A1 (en) 1976-01-29
FR2285029A1 (en) 1976-04-09
DK140914B (en) 1979-12-03
IE41265L (en) 1976-01-19
JPS5134603A (en) 1976-03-24
DK140914C (en) 1980-05-12
CH596716A5 (en) 1978-03-15
IN147050B (en) 1979-10-27
JPS5826706B2 (en) 1983-06-04
ZA754406B (en) 1976-06-30

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Legal Events

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