LU74032A1 - - Google Patents
Info
- Publication number
- LU74032A1 LU74032A1 LU74032A LU74032A LU74032A1 LU 74032 A1 LU74032 A1 LU 74032A1 LU 74032 A LU74032 A LU 74032A LU 74032 A LU74032 A LU 74032A LU 74032 A1 LU74032 A1 LU 74032A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
- G01S13/781—Secondary Surveillance Radar [SSR] in general
- G01S13/782—Secondary Surveillance Radar [SSR] in general using multimoding or selective addressing
-
- 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
- G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7441801A FR2295434A1 (fr) | 1974-12-18 | 1974-12-18 | Systeme d'identification d'objets equipes d'un repondeur automatique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU74032A1 true LU74032A1 (https=) | 1977-07-01 |
Family
ID=9146352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU74032A LU74032A1 (https=) | 1974-12-18 | 1975-12-17 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4075631A (https=) |
| BE (1) | BE836726A (https=) |
| CA (1) | CA1070003A (https=) |
| DE (1) | DE2556625B2 (https=) |
| FR (1) | FR2295434A1 (https=) |
| GB (1) | GB1503978A (https=) |
| IT (1) | IT1052856B (https=) |
| LU (1) | LU74032A1 (https=) |
| NL (1) | NL7514705A (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067011A (en) * | 1976-10-22 | 1978-01-03 | Motorola, Inc. | Digital transponder universal pulse assembly |
| DE2826902C3 (de) * | 1978-06-20 | 1980-12-11 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Ausschaltung von f ruit-Störungen in einem Sekundär-Radar-System mit Gleichkanalbetrieb und Abfragestationsmarkierung |
| US4316192A (en) * | 1979-11-01 | 1982-02-16 | The Bendix Corporation | Beam forming network for butler matrix fed circular array |
| DE3012616C2 (de) * | 1980-04-01 | 1982-11-04 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Flughafenüberwachungseinrichtung |
| US5223837A (en) * | 1981-11-12 | 1993-06-29 | The United States Of America As Represented By The Secretary Of The Army | Anti-exploitation method and apparatus for controlling aircraft IFF |
| US4642648A (en) * | 1982-02-22 | 1987-02-10 | Litchstreet Co. | Simple passive/active proximity warning system |
| CA1240056A (en) * | 1983-12-06 | 1988-08-02 | Adrian Lewis | Tokens and token handling devices |
| US4837575A (en) * | 1985-11-04 | 1989-06-06 | Motorola, Inc. | Identification system |
| US5159344A (en) * | 1991-03-22 | 1992-10-27 | North Atlantic Air, Inc. | Aircraft theft detection and location system |
| US5367303A (en) * | 1993-09-17 | 1994-11-22 | Alliedsignal Inc. | Parallel observer spatial evaluator |
| DE4337637A1 (de) * | 1993-11-04 | 1995-05-11 | Licentia Gmbh | Transponder und Datenkommunikationssystem |
| GB9410959D0 (en) * | 1994-06-01 | 1994-07-20 | Coveley Michael | Radio ranging finder |
| FR2746926B1 (fr) * | 1996-03-28 | 1998-06-12 | Lorenceau Etienne | Dispositif electronique de detection de brouillage electromagnetique, notamment pour transpondeur de vehicule automobile |
| FR2903254B1 (fr) * | 2006-06-29 | 2011-04-01 | Thales Sa | Procede et systeme permettant la reorganisation sequentielle de signaux |
| US8224189B1 (en) | 2007-02-02 | 2012-07-17 | Sunlight Photonics Inc. | Retro-directive target for free-space optical communication and method of producing the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945006A (en) * | 1952-04-04 | 1976-03-16 | The United States Of America As Represented By The Secretary Of The Navy | Radio frequency coding system |
| FR2078175A5 (https=) * | 1970-02-06 | 1971-11-05 | Siemens Ag | |
| US3870994A (en) * | 1972-12-22 | 1975-03-11 | Bendix Corp | Geographic addressing by interrogation for controlling airport ground traffic |
-
1974
- 1974-12-18 FR FR7441801A patent/FR2295434A1/fr active Granted
-
1975
- 1975-12-15 GB GB51344/75A patent/GB1503978A/en not_active Expired
- 1975-12-16 DE DE2556625A patent/DE2556625B2/de active Granted
- 1975-12-17 NL NL7514705A patent/NL7514705A/xx not_active Application Discontinuation
- 1975-12-17 US US05/641,620 patent/US4075631A/en not_active Expired - Lifetime
- 1975-12-17 BE BE162815A patent/BE836726A/xx not_active IP Right Cessation
- 1975-12-17 IT IT52739/75A patent/IT1052856B/it active
- 1975-12-17 LU LU74032A patent/LU74032A1/xx unknown
- 1975-12-18 CA CA242,323A patent/CA1070003A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE836726A (fr) | 1976-06-17 |
| FR2295434B1 (https=) | 1981-01-09 |
| FR2295434A1 (fr) | 1976-07-16 |
| US4075631A (en) | 1978-02-21 |
| IT1052856B (it) | 1981-07-20 |
| GB1503978A (en) | 1978-03-15 |
| CA1070003A (en) | 1980-01-15 |
| NL7514705A (nl) | 1976-06-22 |
| DE2556625C3 (https=) | 1979-11-29 |
| DE2556625A1 (de) | 1976-07-15 |
| DE2556625B2 (de) | 1979-04-05 |