FR2424547B1 - - Google Patents
Info
- Publication number
- FR2424547B1 FR2424547B1 FR7910354A FR7910354A FR2424547B1 FR 2424547 B1 FR2424547 B1 FR 2424547B1 FR 7910354 A FR7910354 A FR 7910354A FR 7910354 A FR7910354 A FR 7910354A FR 2424547 B1 FR2424547 B1 FR 2424547B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
- G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting systems
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)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7804440A NL7804440A (nl) | 1978-04-26 | 1978-04-26 | Codedetector voor een interrogator-transponder systeem. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2424547A1 FR2424547A1 (fr) | 1979-11-23 |
FR2424547B1 true FR2424547B1 (fr) | 1984-11-23 |
Family
ID=19830722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910354A Granted FR2424547A1 (fr) | 1978-04-26 | 1979-04-24 | Detecteur de code pour systeme interrogation/reponse |
Country Status (11)
Country | Link |
---|---|
US (1) | US4314247A (fr) |
JP (1) | JPS5576966A (fr) |
BE (1) | BE875834A (fr) |
CA (1) | CA1141843A (fr) |
CH (1) | CH645731A5 (fr) |
DE (1) | DE2914934A1 (fr) |
FR (1) | FR2424547A1 (fr) |
GB (1) | GB2020137B (fr) |
IT (1) | IT1116542B (fr) |
NL (1) | NL7804440A (fr) |
SE (2) | SE440282B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496900A1 (fr) * | 1980-12-23 | 1982-06-25 | Thomson Csf | Dispositif de detection des signaux de repondeurs radar et radar secondaire comprenant un tel dispositif |
DE3131188C2 (de) * | 1981-08-06 | 1986-09-11 | Siemens AG, 1000 Berlin und 8000 München | System zur störsicheren zweiseitigen Nachrichtenübertragung |
US4533871A (en) * | 1981-08-10 | 1985-08-06 | Dsl Dynamic Sciences Limited | Range-enable information system for plural mobile objects |
US4642638A (en) * | 1983-06-27 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for generating enhanced/regenerative bracket decode signals |
US4899157A (en) * | 1989-04-03 | 1990-02-06 | Allied-Signal Inc. | Leading edge detector/reply quantizer |
US5010341A (en) * | 1989-10-04 | 1991-04-23 | The United States Of America As Represented By The Secretary Of The Navy | High pulse repetition frequency radar early warning receiver |
US5220329A (en) * | 1991-07-30 | 1993-06-15 | Cardion, Inc. | Monopulse reply extractor for ssr navigation systems |
US20080055150A1 (en) * | 2006-09-06 | 2008-03-06 | Garmin International, Inc. | Method and system for detecting and decoding air traffic control reply signals |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3188629A (en) * | 1962-01-30 | 1965-06-08 | Bernarr H Humpherys | Decoder-readout and degarbler |
FR1358554A (fr) * | 1963-03-05 | 1964-04-17 | Electronique & Radio Ind | Perfectionnements aux radars secondaires |
FR1395699A (fr) * | 1964-03-03 | 1965-04-16 | Electronique & Radio Ind | Perfectionnements aux radars secondaires |
FR1478351A (fr) * | 1965-08-12 | 1967-04-28 | Electronique & Radio Ind | Perfectionnements aux dispositifs extracteurs de réponses pour radars secondaires |
US3732563A (en) * | 1971-07-12 | 1973-05-08 | Us Navy | Pulse train decoder-degarbler |
FR2152419B1 (fr) * | 1971-09-14 | 1974-05-31 | Materiel Telephonique | |
DE2159317C3 (de) * | 1971-11-30 | 1979-07-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zum Verhindern des Dekodierens verfälscht empfangener, sich gegenseitig beeinflussender Sekundärradar-Antwortinformationen |
JPS591987B2 (ja) * | 1972-09-18 | 1984-01-14 | ヒコサカ ミツオ | ニジカンシレ−ダ ノ オウトウシンゴウケンチホウシキ |
JPS5353899A (en) * | 1976-10-22 | 1978-05-16 | Toyo Communication Equip | Aircraft collision prevent system |
GB1544774A (en) * | 1977-01-24 | 1979-04-25 | Secr Defence | Radio identification systems |
-
1978
- 1978-04-26 NL NL7804440A patent/NL7804440A/xx not_active Application Discontinuation
-
1979
- 1979-04-12 DE DE19792914934 patent/DE2914934A1/de active Granted
- 1979-04-13 US US06/030,041 patent/US4314247A/en not_active Expired - Lifetime
- 1979-04-18 CA CA000325744A patent/CA1141843A/fr not_active Expired
- 1979-04-18 GB GB7913492A patent/GB2020137B/en not_active Expired
- 1979-04-23 IT IT48810/79A patent/IT1116542B/it active
- 1979-04-23 SE SE7903556A patent/SE440282B/sv not_active IP Right Cessation
- 1979-04-23 SE SE7903556D patent/SE7903556L/xx not_active Application Discontinuation
- 1979-04-24 JP JP4986679A patent/JPS5576966A/ja active Pending
- 1979-04-24 FR FR7910354A patent/FR2424547A1/fr active Granted
- 1979-04-25 BE BE0/194818A patent/BE875834A/xx not_active IP Right Cessation
- 1979-04-25 CH CH390479A patent/CH645731A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT7948810A0 (it) | 1979-04-23 |
CA1141843A (fr) | 1983-02-22 |
SE7903556L (sv) | 1979-10-27 |
US4314247A (en) | 1982-02-02 |
DE2914934C2 (fr) | 1987-08-13 |
BE875834A (nl) | 1979-08-16 |
SE440282B (sv) | 1985-07-22 |
NL7804440A (nl) | 1979-10-30 |
CH645731A5 (de) | 1984-10-15 |
GB2020137B (en) | 1982-11-24 |
GB2020137A (en) | 1979-11-07 |
DE2914934A1 (de) | 1979-11-29 |
IT1116542B (it) | 1986-02-10 |
FR2424547A1 (fr) | 1979-11-23 |
JPS5576966A (en) | 1980-06-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |