JPS6481400A - Radar shielding member - Google Patents

Radar shielding member

Info

Publication number
JPS6481400A
JPS6481400A JP63171069A JP17106988A JPS6481400A JP S6481400 A JPS6481400 A JP S6481400A JP 63171069 A JP63171069 A JP 63171069A JP 17106988 A JP17106988 A JP 17106988A JP S6481400 A JPS6481400 A JP S6481400A
Authority
JP
Japan
Prior art keywords
line
load
antenna element
antenna
ring
Prior art date
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.)
Pending
Application number
JP63171069A
Other languages
English (en)
Inventor
Yotsuto Eru Shiyutotsuku Don
Etsukaato Eeberuharuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of JPS6481400A publication Critical patent/JPS6481400A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

Landscapes

  • Radar Systems Or Details Thereof (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
JP63171069A 1987-07-10 1988-07-11 Radar shielding member Pending JPS6481400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873722793 DE3722793A1 (de) 1987-07-10 1987-07-10 Radartarnmaterial

Publications (1)

Publication Number Publication Date
JPS6481400A true JPS6481400A (en) 1989-03-27

Family

ID=6331283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63171069A Pending JPS6481400A (en) 1987-07-10 1988-07-11 Radar shielding member

Country Status (8)

Country Link
US (1) US5014070A (ja)
EP (1) EP0298306A3 (ja)
JP (1) JPS6481400A (ja)
DE (1) DE3722793A1 (ja)
DK (1) DK377188A (ja)
FI (1) FI883272A (ja)
NO (1) NO883060L (ja)
PT (1) PT87961A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4009003A1 (de) * 1990-03-21 1991-09-26 Behre Dieter Strahlenschutzvorrichtung zur verminderung von in einen lebensraum eindringender strahlung
US5543809A (en) * 1992-03-09 1996-08-06 Martin Marietta Corp. Reflectarray antenna for communication satellite frequency re-use applications
US5327148A (en) * 1993-02-17 1994-07-05 Northeastern University Ferrite microstrip antenna
US5515059A (en) * 1994-01-31 1996-05-07 Northeastern University Antenna array having two dimensional beam steering
US5675345A (en) * 1995-11-21 1997-10-07 Raytheon Company Compact antenna with folded substrate
US6359588B1 (en) * 1997-07-11 2002-03-19 Nortel Networks Limited Patch antenna
GB2329071A (en) * 1997-09-05 1999-03-10 David Graham Cass Radio frequency absorber system
GB9819504D0 (en) * 1998-09-07 1998-10-28 Ardavan Houshang Apparatus for generating focused electromagnetic radiation
JP2000114865A (ja) * 1998-10-08 2000-04-21 Matsushita Electric Ind Co Ltd 移動無線機
EP1556923B1 (en) * 2002-10-24 2013-05-15 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Dynamic antenna
US7053846B2 (en) * 2003-10-27 2006-05-30 Harris Corporation Spherical ring antenna
US7999720B2 (en) * 2006-02-13 2011-08-16 The Invention Science Fund I, Llc Camouflage positional elements
WO2008023800A1 (fr) * 2006-08-24 2008-02-28 Hitachi Kokusai Electric Inc. Dispositif d'antenne
TW200830632A (en) * 2007-01-05 2008-07-16 Advanced Connection Tech Inc Circular polarized antenna
GB0811493D0 (en) * 2008-06-21 2008-07-30 Qinetiq Ltd Radio Frequency absorption
GB201012923D0 (en) * 2010-07-30 2010-09-15 Sarantel Ltd An antenna
US9225069B2 (en) 2011-10-18 2015-12-29 California Institute Of Technology Efficient active multi-drive radiator
US9921255B2 (en) 2012-02-13 2018-03-20 California Institute Of Technology Sensing radiation metrics through mode-pickup sensors
US9686070B2 (en) 2012-02-17 2017-06-20 California Institute Of Technology Dynamic polarization modulation and control
WO2014018927A1 (en) * 2012-07-26 2014-01-30 California Institute Of Technology Optically driven active radiator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7314269A (nl) * 1973-10-17 1975-04-21 Philips Nv Microgolfinrichting voorzien van een 1/2 lambda resonator.
US4123759A (en) * 1977-03-21 1978-10-31 Microwave Associates, Inc. Phased array antenna
US4364050A (en) * 1981-02-09 1982-12-14 Hazeltine Corporation Microstrip antenna
US4684952A (en) * 1982-09-24 1987-08-04 Ball Corporation Microstrip reflectarray for satellite communication and radar cross-section enhancement or reduction
DE3307066A1 (de) * 1983-03-01 1984-09-13 Dornier Gmbh, 7990 Friedrichshafen Mehrschichtiger faserverbundwerkstoff
JPS59178002A (ja) * 1983-03-29 1984-10-09 Radio Res Lab 円偏波アンテナ
DE8323528U1 (de) * 1983-08-16 1984-05-03 Eckert, Eberhard, 5300 Bonn Antenne
US4554549A (en) * 1983-09-19 1985-11-19 Raytheon Company Microstrip antenna with circular ring
US4697189A (en) * 1985-04-26 1987-09-29 University Of Queensland Microstrip antenna
US4823145A (en) * 1986-09-12 1989-04-18 University Patents, Inc. Curved microstrip antennas

Also Published As

Publication number Publication date
NO883060L (no) 1989-01-11
FI883272A (fi) 1989-01-11
NO883060D0 (no) 1988-07-08
DE3722793A1 (de) 1989-01-19
EP0298306A2 (de) 1989-01-11
US5014070A (en) 1991-05-07
PT87961A (pt) 1989-06-30
FI883272A0 (fi) 1988-07-08
DK377188D0 (da) 1988-07-07
EP0298306A3 (de) 1991-01-09
DK377188A (da) 1989-01-11

Similar Documents

Publication Publication Date Title
JPS6481400A (en) Radar shielding member
US6137453A (en) Broadband miniaturized slow-wave antenna
ES8501925A1 (es) Antena dipolo para transmisores-receptores portatiles.
TW376460B (en) Doppler radar module
EP0362079A3 (en) Microstrip antenna
US3582951A (en) Helmet antenna
GB2157500B (en) Microwave antenna
DE3473932D1 (en) Stripline doppler radar
JPS56126302A (en) Circular polarized wave microstrip line antenna
US4109254A (en) Dipole radiators for feeding a parabolic reflector
US3202995A (en) Steerable circular traveling-wave antenna
JPS56168437A (en) Portable radio device
JPS644101A (en) Circularly polarized wave microstrip antenna
US4001832A (en) Vertical antenna having an off-center supply
JPS6480103A (en) Parabolic antenna reflector
GB1387679A (en) Antenna
EP0290124A3 (en) Hybrid mesh and rf reflector embodying the mesh
JPS5637702A (en) Electric wave lens element
JPS55133106A (en) Power reception antenna
JPS5661804A (en) Microstrip antenna
USH1230H (en) Microstrip frequency-scan antenna
JPS5496389A (en) Radar device
JPS6485404A (en) Plane antenna
JPS55159602A (en) Slot array antenna
JPS6439804A (en) Portable antenna