NL177962B - HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM. - Google Patents
HIGH-FREQUENT MESSAGE TRANSMISSION SYSTEM.Info
- Publication number
- NL177962B NL177962B NLAANVRAGE7808533,A NL7808533A NL177962B NL 177962 B NL177962 B NL 177962B NL 7808533 A NL7808533 A NL 7808533A NL 177962 B NL177962 B NL 177962B
- Authority
- NL
- Netherlands
- Prior art keywords
- transmission system
- message transmission
- frequent message
- frequent
- transmission
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
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 true NL177962B (en) | 1985-07-16 |
NL177962C 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)
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)
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 |
-
1977
- 1977-08-22 DE DE2737577A patent/DE2737577C1/en not_active Expired
-
1978
- 1978-05-19 BE BE187884A patent/BE867291A/en unknown
- 1978-06-22 IT IT24820/78A patent/IT1096808B/en active
- 1978-07-12 CA CA000307208A patent/CA1203576A/en not_active Expired
- 1978-08-17 NL NLAANVRAGE7808533,A patent/NL177962C/en not_active IP Right Cessation
- 1978-08-21 NO NO782846A patent/NO782846L/en unknown
- 1978-08-21 FR FR7824268A patent/FR2573216A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
NL177962C (en) | 1985-12-16 |
DE2737577C1 (en) | 1986-01-09 |
IT1096808B (en) | 1985-08-26 |
NO113576C (en) | 1986-03-12 |
IT7824820A0 (en) | 1978-06-22 |
CA1203576A (en) | 1986-04-22 |
FR2573216A1 (en) | 1986-05-16 |
NO782846L (en) | 1986-07-30 |
BE867291A (en) | 1985-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |