NL169664C - SCHEME FOR TRANSFERRED TRANSMISSION OF VOICE SIGNALS. - Google Patents

SCHEME FOR TRANSFERRED TRANSMISSION OF VOICE SIGNALS.

Info

Publication number
NL169664C
NL169664C NLAANVRAGE7508643,A NL7508643A NL169664C NL 169664 C NL169664 C NL 169664C NL 7508643 A NL7508643 A NL 7508643A NL 169664 C NL169664 C NL 169664C
Authority
NL
Netherlands
Prior art keywords
scheme
voice signals
transferred transmission
transferred
transmission
Prior art date
Application number
NLAANVRAGE7508643,A
Other languages
Dutch (nl)
Other versions
NL169664B (en
NL7508643A (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 NL7508643A publication Critical patent/NL7508643A/en
Publication of NL169664B publication Critical patent/NL169664B/en
Application granted granted Critical
Publication of NL169664C publication Critical patent/NL169664C/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
NLAANVRAGE7508643,A 1974-07-19 1975-07-18 SCHEME FOR TRANSFERRED TRANSMISSION OF VOICE SIGNALS. NL169664C (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 (3)

Publication Number Publication Date
NL7508643A NL7508643A (en) 1976-01-21
NL169664B NL169664B (en) 1982-03-01
NL169664C true NL169664C (en) 1982-08-02

Family

ID=5921046

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7508643,A NL169664C (en) 1974-07-19 1975-07-18 SCHEME FOR TRANSFERRED 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
JPS5826706B2 (en) 1983-06-04
NL169664B (en) 1982-03-01
DK328275A (en) 1976-01-20
AU8290875A (en) 1977-01-13
FR2285029B1 (en) 1977-12-16
GB1512696A (en) 1978-06-01
SE7508246L (en) 1976-01-20
FR2285029A1 (en) 1976-04-09
DE2434877B2 (en) 1976-05-13
IE41265B1 (en) 1979-11-21
DK140914C (en) 1980-05-12
CH596716A5 (en) 1978-03-15
ATA526575A (en) 1977-05-15
IN147050B (en) 1979-10-27
AU501260B2 (en) 1979-06-14
LU73007A1 (en) 1976-07-01
DK140914B (en) 1979-12-03
JPS5134603A (en) 1976-03-24
NL7508643A (en) 1976-01-21
AT341003B (en) 1978-01-10
IT1039917B (en) 1979-12-10
DE2434877A1 (en) 1976-01-29
IL47692A0 (en) 1975-12-31
ZA754406B (en) 1976-06-30
SE410259B (en) 1979-10-01
IL47692A (en) 1977-11-30
IE41265L (en) 1976-01-19
BE831528A (en) 1976-01-19

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee