FR2090323A1 - - Google Patents
Info
- Publication number
- FR2090323A1 FR2090323A1 FR7119045A FR7119045A FR2090323A1 FR 2090323 A1 FR2090323 A1 FR 2090323A1 FR 7119045 A FR7119045 A FR 7119045A FR 7119045 A FR7119045 A FR 7119045A FR 2090323 A1 FR2090323 A1 FR 2090323A1
- 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.)
- Granted
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4098470A | 1970-05-27 | 1970-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2090323A1 true FR2090323A1 (fr) | 1972-01-14 |
FR2090323B1 FR2090323B1 (fr) | 1976-12-03 |
Family
ID=21914077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7119045A Expired FR2090323B1 (fr) | 1970-05-27 | 1971-05-26 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3705402A (fr) |
JP (1) | JPS5040999B1 (fr) |
DE (1) | DE2125528C3 (fr) |
FR (1) | FR2090323B1 (fr) |
IL (1) | IL36712A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2622827C2 (de) * | 1976-05-21 | 1985-03-28 | Siemens AG, 1000 Berlin und 8000 München | Decodierschaltung für Sekundärradar- Antwortsignale |
JPS53120295A (en) * | 1977-03-30 | 1978-10-20 | Toshiba Corp | Subject discrimination device |
US4910521A (en) * | 1981-08-03 | 1990-03-20 | Texas Instruments Incorporated | Dual band communication receiver |
DE3131188C2 (de) * | 1981-08-06 | 1986-09-11 | Siemens AG, 1000 Berlin und 8000 München | System zur störsicheren zweiseitigen Nachrichtenübertragung |
US4899157A (en) * | 1989-04-03 | 1990-02-06 | Allied-Signal Inc. | Leading edge detector/reply quantizer |
US5081457A (en) * | 1989-11-30 | 1992-01-14 | Honeywell Inc. | Apparatus for reducing synchronous fruit in tcas surveillance systems |
US5272725A (en) * | 1991-02-25 | 1993-12-21 | Alliedsignal Inc. | Digital video quantizer |
FR2692996B1 (fr) * | 1992-06-30 | 1994-08-26 | Thomson Csf | Procédé et dispositif de filtrage des réponses dans un extracteur de radar secondaire. |
US5387915A (en) * | 1993-11-16 | 1995-02-07 | B. F. Goodrich Flightsystems, Inc. | Method and apparatus for detecting and decoding transponder reply signals |
ITRM20010176A1 (it) * | 2001-04-03 | 2002-10-03 | Univ Roma | Apparato ricevente ed elaborativo per segnali "replica" del radar secondario di sorveglianza con capacita' di super risoluzione. |
FR2860883B1 (fr) * | 2003-10-10 | 2005-12-23 | Thales Sa | Procede et dispositif de filtrage de reponses dans un extracteur de radar secondaire. |
US20070076761A1 (en) * | 2005-09-15 | 2007-04-05 | Coke Reed | Apparatus for interconnecting multiple devices to a synchronous device |
US20080055150A1 (en) * | 2006-09-06 | 2008-03-06 | Garmin International, Inc. | Method and system for detecting and decoding air traffic control reply signals |
ITRM20110633A1 (it) * | 2011-11-30 | 2013-05-31 | Selex Sistemi Integrati Spa | Algoritmo anti-riflessione di modo s per l'eliminazione di false tracce dovute a repliche riflesse in sistemi radar di terra. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1229016A (fr) * | 1959-03-19 | 1960-09-02 | Electronique Soc Nouv | Perfectionnements aux dispositifs éliminateurs de parasites |
FR1358553A (fr) * | 1963-03-05 | 1964-04-17 | Electronique & Radio Ind | Perfectionnements aux dispositifs antiparasites |
US3182310A (en) * | 1962-03-20 | 1965-05-04 | Bernarr H Humpherys | Iff system defruiter |
FR1475612A (fr) * | 1963-10-30 | 1967-04-07 | Int Standard Electric Corp | Système électronique pour localiser une impulsion synchrone, utilisé notamment enradionavigation |
-
1970
- 1970-05-27 US US40984A patent/US3705402A/en not_active Expired - Lifetime
-
1971
- 1971-04-26 IL IL36712A patent/IL36712A/xx unknown
- 1971-05-22 DE DE2125528A patent/DE2125528C3/de not_active Expired
- 1971-05-26 FR FR7119045A patent/FR2090323B1/fr not_active Expired
- 1971-05-27 JP JP46035951A patent/JPS5040999B1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1229016A (fr) * | 1959-03-19 | 1960-09-02 | Electronique Soc Nouv | Perfectionnements aux dispositifs éliminateurs de parasites |
US3182310A (en) * | 1962-03-20 | 1965-05-04 | Bernarr H Humpherys | Iff system defruiter |
FR1358553A (fr) * | 1963-03-05 | 1964-04-17 | Electronique & Radio Ind | Perfectionnements aux dispositifs antiparasites |
FR1475612A (fr) * | 1963-10-30 | 1967-04-07 | Int Standard Electric Corp | Système électronique pour localiser une impulsion synchrone, utilisé notamment enradionavigation |
Also Published As
Publication number | Publication date |
---|---|
FR2090323B1 (fr) | 1976-12-03 |
IL36712A0 (en) | 1971-07-28 |
JPS5040999B1 (fr) | 1975-12-27 |
US3705402A (en) | 1972-12-05 |
DE2125528A1 (fr) | 1971-12-16 |
DE2125528C3 (de) | 1980-02-21 |
IL36712A (en) | 1973-10-25 |
DE2125528B2 (de) | 1973-10-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |