EP 0190569 A3 19871028 - BROAD-BAND DIRECTIONAL-ANTENNA ARRANGEMENT
Title (en)
BROAD-BAND DIRECTIONAL-ANTENNA ARRANGEMENT
Publication
Application
Priority
DE 3503990 A 19850206
Abstract (en)
[origin: US4811027A] A directional antenna is provided having an array of directional antenna elements arranged in at least one row. The directional antenna elements are activated in accordance with a predetermined pattern. The signal amplitudes on the receiving side are time-shifted to simulate a low-frequency signal for detection of deeper-lying anti-tank mines. Each directional antenna element has a pair of flat strips which lie close to each other at the base side and which proceed in parallel before diverging to a greater width toward the aperture side.
IPC 1-7
IPC 8 full level
H01Q 3/24 (2006.01); H01Q 13/08 (2006.01); H01Q 21/06 (2006.01)
CPC (source: EP US)
H01Q 3/24 (2013.01 - EP US); H01Q 13/08 (2013.01 - EP US); H01Q 21/061 (2013.01 - EP US)
Citation (search report)
- [A] DE 2921856 A1 19820429 - SIEMENS AG [DE]
- [A] FR 2390027 A1 19781201 - THOMSON CSF [FR]
- [A] US 3346068 A 19671010 - WOODS JOHN P, et al
- [A] DE 2554039 A1 19770608 - ELECTROLOCATION LTD
- [A] PATENT ABSTRACTS OF JAPAN, Band 5, Nr. 59 (E-53)[731], 22. April 1981; & JP-A-56 008 903 (MITSUBISHI DENKI K.K.) 29-01-1981
- [A] IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, Band GE-21, Nr. 2, April 1983, Seiten 201-207, IEEE, New York, US; B.R. JEAN et al.: "A multiple beam synthetic aperture radar design concept for geoscience applications"
Designated contracting state (EPC)
CH DE FR GB LI SE
DOCDB simple family (publication)
EP 0190569 A2 19860813; EP 0190569 A3 19871028; EP 0190569 B1 19900404; DE 3503990 A1 19860807; DE 3503990 C2 19861120; DE 3670179 D1 19900510; IL 77519 A 19900429; US 4811027 A 19890307
DOCDB simple family (application)
EP 86100386 A 19860114; DE 3503990 A 19850206; DE 3670179 T 19860114; IL 7751986 A 19860103; US 82627686 A 19860205