SE410259B - DEVICE FOR DISTORTED TRANSMISSION OF NUMBER SIGNALS - Google Patents

DEVICE FOR DISTORTED TRANSMISSION OF NUMBER SIGNALS

Info

Publication number
SE410259B
SE410259B SE7508246A SE7508246A SE410259B SE 410259 B SE410259 B SE 410259B SE 7508246 A SE7508246 A SE 7508246A SE 7508246 A SE7508246 A SE 7508246A SE 410259 B SE410259 B SE 410259B
Authority
SE
Sweden
Prior art keywords
number signals
distorted transmission
distorted
transmission
signals
Prior art date
Application number
SE7508246A
Other languages
Swedish (sv)
Other versions
SE7508246L (en
Inventor
H Bendel
H Sontheim
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 SE7508246L publication Critical patent/SE7508246L/en
Publication of SE410259B publication Critical patent/SE410259B/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)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmitters (AREA)
  • Television Systems (AREA)
SE7508246A 1974-07-19 1975-07-18 DEVICE FOR DISTORTED TRANSMISSION OF NUMBER SIGNALS SE410259B (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
SE7508246L SE7508246L (en) 1976-01-20
SE410259B true SE410259B (en) 1979-10-01

Family

ID=5921046

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7508246A SE410259B (en) 1974-07-19 1975-07-18 DEVICE FOR DISTORTED TRANSMISSION OF NUMBER 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
ZA754406B (en) 1976-06-30
AT341003B (en) 1978-01-10
AU8290875A (en) 1977-01-13
NL7508643A (en) 1976-01-21
DK328275A (en) 1976-01-20
IE41265B1 (en) 1979-11-21
CH596716A5 (en) 1978-03-15
IE41265L (en) 1976-01-19
JPS5134603A (en) 1976-03-24
NL169664C (en) 1982-08-02
DK140914C (en) 1980-05-12
IL47692A (en) 1977-11-30
LU73007A1 (en) 1976-07-01
DE2434877B2 (en) 1976-05-13
FR2285029A1 (en) 1976-04-09
IL47692A0 (en) 1975-12-31
BE831528A (en) 1976-01-19
FR2285029B1 (en) 1977-12-16
DK140914B (en) 1979-12-03
IN147050B (en) 1979-10-27
ATA526575A (en) 1977-05-15
AU501260B2 (en) 1979-06-14
NL169664B (en) 1982-03-01
DE2434877A1 (en) 1976-01-29
SE7508246L (en) 1976-01-20
GB1512696A (en) 1978-06-01
JPS5826706B2 (en) 1983-06-04

Similar Documents

Publication Publication Date Title
NO753549L (en) DEVICE FOR TRANSMISSION OF INFORMATION
IT1042394B (en) DEVICE FOR MODULATING AND FILTERING DIGITAL SIGNALS
FI53718C (en) PROCEDURE FOR FRAMSTATION OF ANTIBIOTICS TIENAMYCIN
SE403872B (en) DEVICE FOR PROCESSING TELEVISION SIGNALS
SE7510487L (en) COUPLING DEVICE FOR TRANSMISSION OF METAL VALUE SIGNALS
SE7607538L (en) VIDEO SIGNAL TRANSMISSION
SE7514409L (en) TRANSMISSION DEVICE
NO137954C (en) DEVICE FOR TRANSMISSION OF INFORMATION
NO142639C (en) APPARATUS FOR TRANSMISSION OF Acoustic Waves.
NO773443L (en) DEVICE FOR TRANSMISSION OF CLOCK SIGNALS
SE7601911L (en) DEVICE FOR TRANSMISSION OF HIGH FREQUENCY SIGNALS
FR2277473A1 (en) DIGITAL SIGNAL TRANSMISSION
SE7413757L (en) DEVICE FOR GROUND-CONTROLLED CONNECTION OF ZONES
AT364428B (en) RF SIGNAL TRANSMISSION ARRANGEMENT
SE410259B (en) DEVICE FOR DISTORTED TRANSMISSION OF NUMBER SIGNALS
SE403023B (en) PROCEDURE FOR DISTORTED TRANSMISSION OF NUMBER SIGNALS
SE7514072L (en) TRANSMISSION DEVICE
SE7604333L (en) DEVICE FOR TRANSMISSION OF DIGITAL SIGNALS
JPS5253526A (en) Transmitting device for order signal
IT1027980B (en) DEVICE FOR THE TRANSMISSION OF SYMMETRIC SIGNALS
ATA468975A (en) SIGNAL DEVICE FOR ELECTROACOUSTIC TRANSMISSION DEVICES
SE420455B (en) DEVICE FOR TIME MULTIPLEX TRANSFER OF BINER SIGNALS
SE409798B (en) PROCEDURE FOR DISTORTION OF NUMBER SIGNALS
SE406256B (en) MULTI-CHANNEL DIGITAL TRANSMISSION DEVICE
SE400146B (en) CIRCUIT DEVICE FOR LIMITING THE TRANSMISSION SPEED FOR BINERA DATA SIGNALS