Global Patent Index - EP 1096603 A1

EP 1096603 A1 2001-05-02 - Control device for simultaneous multiple beam-forming in an electronically scanned antenna for radar reception

Title (en)

Control device for simultaneous multiple beam-forming in an electronically scanned antenna for radar reception

Title (de)

Steuervorrichtung zur simultanen Mehrstrahlformung in einer Antenne mit elektronisch gesteuerter Ablenkung für Radarempfang

Title (fr)

Dispositif de commande pour la formation de plusieurs faisceaux simultanes de réception radar à antenne à balayage électronique

Publication

EP 1096603 A1 (FR)

Application

EP 00402940 A

Priority

FR 9913358 A

Abstract (en)

The beam formation command mechanism has multiple signal receivers (1) in a sub network, with a partial combiner (2,3) after each sub network. A second combiner (7) uses optical techniques with division (6) and offsets (5). Finally, optical detectors (10,11,12) form a set of beams (R1-Rr).

Abstract (fr)

La présente invention concerne un dispositif de commande pour la formation de plusieurs faisceaux simultanés de réception radar à antenne à balayage électronique. Une antenne à balayage électronique comportant un réseau de détecteurs de signaux hyperfréquence (1) disposés en n colonnes et en m lignes, le dispositif comporte : des moyens (2, 3) pour réaliser, dans le domaine hyperfréquence, une première combinaison partielle des signaux reçus, cette combinaison étant réalisée selon chaque colonne ; des moyens optiques pour réaliser une seconde combinaison partielle dans le domaine optique, les moyens optiques comportant au moins n sources optiques (L1,....Ln) produisant chacune un signal optique (7) modulé à la fréquence des signaux hyperfréquence de réception (f) par un signal de combinaison hyperfréquence associé, des moyens de division (6) de ce signal optique (7) en r signaux optiques (8), des moyens de déphasages optiques (5) de chacun des nxr signaux optiques obtenus, r moyens de combinaison (10) de chaque groupe de n signaux optiques et r moyens de détection (10, 11, 12) du signal hyperfréquence (f) affecté à chaque groupe de n signaux optiques pour former r faisceaux de réception hyperfréquence (R1, ...Rr). L'invention s'applique notamment pour une reconfiguration simple et souple des faisceaux de réception d'une antenne à balayage électronique. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01Q 3/26; H01Q 21/00; H01Q 25/00

IPC 8 full level (invention and additional information)

H01Q 3/26 (2006.01); H01Q 25/00 (2006.01)

CPC (invention and additional information)

H01Q 25/00 (2013.01); H01Q 3/2676 (2013.01)

Citation (search report)

  • [XY] EP 0793291 A2 19970903 - HUGHES AIRCRAFT CO [US]
  • [A] US 5861845 A 19990119 - LEE JAR J [US], et al
  • [Y] EP 0708491 A1 19960424 - THOMSON CSF [FR]
  • [X] CARDONE L G: "WIDEBAND ELECTRO-OPTICAL MICROWAVE BEAMFORMING TECHNIQUE", CONFERENCE PROCEEDINGS OF MILITARY MICROWAVES, 24 June 1986 (1986-06-24) - 26 June 1986 (1986-06-26), Brighton, England, pages 391a - 391f, XP002142162
  • [A] PASTUR L ET AL: "TWO-DIMENSIONAL OPTICAL ARCHITECTURES FOR THE RECEIVE MODE OF PHASED-ARRAY ANTENNAS", APPLIED OPTICS,US,OPTICAL SOCIETY OF AMERICA,WASHINGTON, vol. 38, no. 14, 10 May 1999 (1999-05-10), pages 3105 - 3111, XP000830136, ISSN: 0003-6935

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 1096603 A1 20010502; EP 1096603 B1 20070613; CA 2324490 A1 20010426; DE 60035161 D1 20070726; DE 60035161 T2 20080515; FR 2800202 A1 20010427; FR 2800202 B1 20070831; US 6417804 B1 20020709

INPADOC legal status


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