NL177962C - HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM. - Google Patents

HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM.

Info

Publication number
NL177962C
NL177962C NLAANVRAGE7808533,A NL7808533A NL177962C NL 177962 C NL177962 C NL 177962C NL 7808533 A NL7808533 A NL 7808533A NL 177962 C NL177962 C NL 177962C
Authority
NL
Netherlands
Prior art keywords
transmission system
message transmission
frequent message
frequent
transmission
Prior art date
Application number
NLAANVRAGE7808533,A
Other languages
Dutch (nl)
Other versions
NL177962B (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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL177962B publication Critical patent/NL177962B/en
Application granted granted Critical
Publication of NL177962C publication Critical patent/NL177962C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/28—Countermeasures against jamming with jamming and anti-jamming mechanisms both included in a same device or system, e.g. wherein anti-jamming includes prevention of undesired self-jamming resulting from jamming
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/38—Jamming means, e.g. producing false echoes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/34—Jamming or countermeasure characterized by the infrastructure components involving multiple cooperating jammers
NLAANVRAGE7808533,A 1977-08-22 1978-08-17 HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM. NL177962C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2737577A DE2737577C1 (en) 1977-08-22 1977-08-22 Military radar or radio communications system

Publications (2)

Publication Number Publication Date
NL177962B NL177962B (en) 1985-07-16
NL177962C true NL177962C (en) 1985-12-16

Family

ID=6016865

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7808533,A NL177962C (en) 1977-08-22 1978-08-17 HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM.

Country Status (7)

Country Link
BE (1) BE867291A (en)
CA (1) CA1203576A (en)
DE (1) DE2737577C1 (en)
FR (1) FR2573216A1 (en)
IT (1) IT1096808B (en)
NL (1) NL177962C (en)
NO (1) NO782846L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562868A3 (en) * 1992-03-27 1994-07-06 Wi Lan Inc Method and apparatus for multiple access between tansceivers in wireless communication using OFDM spread spectrum.
USRE37802E1 (en) 1992-03-31 2002-07-23 Wi-Lan Inc. Multicode direct sequence spread spectrum
US6192068B1 (en) 1996-10-03 2001-02-20 Wi-Lan Inc. Multicode spread spectrum communications system
FR2830710B1 (en) * 2001-10-09 2004-02-27 Thales Sa INTERFERENCE METHOD AND SYSTEM
GR1004549B (en) * 2001-12-04 2004-05-11 Νικολαος Ουζουνογλου Electronic countermeasure system jamming enemy frequency hopping communication wireless networks and in parallel protecting friendly networks
DE10318475A1 (en) 2003-04-23 2004-11-25 Rheinmetall W & M Gmbh Procedure for trouble-free communication when operating a jammer
DE102011113644A1 (en) 2011-09-19 2013-03-21 Rheinmetall Soldier Electronics Gmbh Device for identification and communication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1462279A (en) * 1965-09-21 1966-04-15 Cit Alcatel Random carrier frequency radio links
DE1954754C3 (en) * 1969-10-30 1975-08-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Radio telephony system that works with encryption of the message signals to be transmitted
CH559483A5 (en) * 1973-06-12 1975-02-28 Patelhold Patentverwertung

Also Published As

Publication number Publication date
FR2573216A1 (en) 1986-05-16
BE867291A (en) 1985-06-10
CA1203576A (en) 1986-04-22
NO782846L (en) 1986-07-30
NO113576C (en) 1986-03-12
IT1096808B (en) 1985-08-26
DE2737577C1 (en) 1986-01-09
IT7824820A0 (en) 1978-06-22
NL177962B (en) 1985-07-16

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Legal Events

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