DK157644C - Fremgangsmaade til sikret overfoering af digitale signaler - Google Patents

Fremgangsmaade til sikret overfoering af digitale signaler

Info

Publication number
DK157644C
DK157644C DK410382A DK410382A DK157644C DK 157644 C DK157644 C DK 157644C DK 410382 A DK410382 A DK 410382A DK 410382 A DK410382 A DK 410382A DK 157644 C DK157644 C DK 157644C
Authority
DK
Denmark
Prior art keywords
burst
information
fault
stations
basis
Prior art date
Application number
DK410382A
Other languages
Danish (da)
English (en)
Other versions
DK157644B (da
DK410382A (da
Inventor
Manfred Hanni
Josef Brusch
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK410382A publication Critical patent/DK410382A/da
Publication of DK157644B publication Critical patent/DK157644B/da
Application granted granted Critical
Publication of DK157644C publication Critical patent/DK157644C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/188—Time-out mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/25—Countermeasures against jamming based on characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/827—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection using characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Optical Communication System (AREA)
  • Radio Relay Systems (AREA)
DK410382A 1981-09-15 1982-09-14 Fremgangsmaade til sikret overfoering af digitale signaler DK157644C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3136461A DE3136461A1 (de) 1981-09-15 1981-09-15 Verfahren zur gesicherten uebertragung von digitalen signalen
DE3136461 1981-09-15

Publications (3)

Publication Number Publication Date
DK410382A DK410382A (da) 1983-03-16
DK157644B DK157644B (da) 1990-01-29
DK157644C true DK157644C (da) 1990-07-09

Family

ID=6141642

Family Applications (1)

Application Number Title Priority Date Filing Date
DK410382A DK157644C (da) 1981-09-15 1982-09-14 Fremgangsmaade til sikret overfoering af digitale signaler

Country Status (10)

Country Link
US (1) US4514852A (fr)
EP (1) EP0074657B1 (fr)
JP (1) JPS5860848A (fr)
AT (1) ATE10992T1 (fr)
AU (1) AU530882B2 (fr)
CA (1) CA1193667A (fr)
DE (2) DE3136461A1 (fr)
DK (1) DK157644C (fr)
ES (1) ES515698A0 (fr)
NO (1) NO156710C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429453C1 (de) * 1984-08-10 1992-05-27 Siemens Ag Verfahren zur gesicherten Funksignaluebertragung
EP0215291B1 (fr) * 1985-09-10 1991-02-27 Hülsbeck & Fürst GmbH. & Co. KG Dispositif de serrage pour véhicules automobiles
US4751725A (en) * 1987-01-30 1988-06-14 Motorola, Inc. VOX remote unit control in a cellular system
DE69230768T2 (de) * 1991-08-23 2000-09-28 Kabushiki Kaisha Toshiba, Kawasaki Funkinformations- und kommunikationssystem mit einem mehrträger-spreizspektrum-übertragungssystem
US7460622B2 (en) * 2003-07-18 2008-12-02 Artimi Ltd Communications systems and methods
JP2008026915A (ja) * 2007-08-27 2008-02-07 Matsushita Electric Ind Co Ltd 通信装置、通信方法、通信システム及びプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754211A (en) * 1971-12-30 1973-08-21 Ibm Fast error recovery communication controller
US3787614A (en) * 1972-04-20 1974-01-22 Arvin Ind Inc Two-tube color television camera
JPS4960103A (fr) * 1972-10-09 1974-06-11
DE2607433C3 (de) * 1976-02-24 1980-01-17 Siemens Ag Digitaler Korrelationsempfänger
US4074230A (en) * 1976-05-24 1978-02-14 Teledyne Industries, Inc. Communication method and apparatus for providing an enhanced signal from diverse signals
FR2362537A1 (fr) * 1976-08-18 1978-03-17 Socrat Reseau de transmission a secret par commutation de frequence
FR2377729A1 (fr) * 1977-01-14 1978-08-11 Thomson Csf Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif
JPS54114901A (en) * 1978-02-28 1979-09-07 Fujitsu Ltd Transmission system for cipher code data
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
DE2848205C3 (de) * 1978-11-07 1982-02-11 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Identifizierung von Synchronisationssignalen
US4280224A (en) * 1979-06-21 1981-07-21 Ford Aerospace & Communications Corporation Bit synchronizer with early and late gating
FR2461411B1 (fr) * 1979-07-13 1985-10-31 Trt Telecom Radio Electr Systeme de transmission de donnees utilisant les principes d'etalement du spectre
US4383323A (en) * 1980-06-09 1983-05-10 Bell Telephone Laboratories, Incorporated Spread spectrum FH-MFSK transmitter and receiver

Also Published As

Publication number Publication date
JPS5860848A (ja) 1983-04-11
EP0074657B1 (fr) 1984-12-27
DE3136461A1 (de) 1983-03-31
US4514852A (en) 1985-04-30
DE3261705D1 (en) 1985-02-07
DK157644B (da) 1990-01-29
AU530882B2 (en) 1983-08-04
CA1193667A (fr) 1985-09-17
EP0074657A1 (fr) 1983-03-23
ES8306555A1 (es) 1983-06-01
NO822986L (no) 1983-03-16
DK410382A (da) 1983-03-16
NO156710C (no) 1987-11-04
NO156710B (no) 1987-07-27
ES515698A0 (es) 1983-06-01
ATE10992T1 (de) 1985-01-15
JPS6234309B2 (fr) 1987-07-25

Similar Documents

Publication Publication Date Title
ATE72080T1 (de) Datenuebertragungssystem mit automatischer wiederholungsaufforderung.
ATE91368T1 (de) Funkkommunikationsempfaenger mit schaltungsanordnung zur aenderung der bit-rate des empfaengers.
JPS5639694A (en) Method and device for synchrnonizing timing in transmission of digital information signal
DK157644C (da) Fremgangsmaade til sikret overfoering af digitale signaler
ES8202229A1 (es) Equipo de ensayo de un desmodulador de un televisor receptorde teletexto
ES447308A1 (es) Un modem de canal de datos digitales para transmision y re- cepcion.
KR950022324A (ko) 집적회로
AU577336B2 (en) Regenerating the significant instants of a periodic signal
DE3574548D1 (de) Durch binaere datensignale modulierbarer hochfrequenzsender.
JPS55109053A (en) Secondary signal piling transmission system
JPS5690656A (en) Wire transmission system
CA2037488A1 (fr) Equipement de communication terminal
SU1354436A1 (ru) Демодул тор сигналов с минимальной частотной манипул цией
FR2335102A1 (fr) Dispositif de decodage d'un message en code biphase differentiel
JPS5758484A (en) Digital transmission system
SU1107300A1 (ru) Устройство дл телеконтрол промежуточных станций системы св зи
SU1559417A1 (ru) Устройство дл приема дискретных сообщений
SU1172047A1 (ru) Устройство дл передачи и приема цифровых сигналов
JPS53136418A (en) Signal repeating installation
JPS57106293A (en) Data terminal receiving system time division exchange system
JPS6468142A (en) Modulator/demodulator
FR2357118A1 (fr) Dispositif antilocal pour transmission de signaux numeriques
JPS53136910A (en) Initial connection system for time division multiple connecting communication system
GB970142A (en) Simplex telegraph system with break-in facility
JPS5455105A (en) Re-synchronizing circuit for start-stop synchronizing signal

Legal Events

Date Code Title Description
PBP Patent lapsed