JPS6481400A - Radar shielding member - Google Patents
Radar shielding memberInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices 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)
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)
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)
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 |
-
1987
- 1987-07-10 DE DE19873722793 patent/DE3722793A1/de not_active Withdrawn
-
1988
- 1988-06-23 EP EP19880109979 patent/EP0298306A3/de not_active Withdrawn
- 1988-07-07 DK DK377188A patent/DK377188A/da not_active Application Discontinuation
- 1988-07-08 NO NO88883060A patent/NO883060L/no unknown
- 1988-07-08 US US07/216,578 patent/US5014070A/en not_active Expired - Fee Related
- 1988-07-08 PT PT87961A patent/PT87961A/pt not_active Application Discontinuation
- 1988-07-08 FI FI883272A patent/FI883272A/fi not_active Application Discontinuation
- 1988-07-11 JP JP63171069A patent/JPS6481400A/ja active Pending
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 |