EP0546255A3 - Electromagnetic wave absorber - Google Patents

Electromagnetic wave absorber Download PDF

Info

Publication number
EP0546255A3
EP0546255A3 EP19920112670 EP92112670A EP0546255A3 EP 0546255 A3 EP0546255 A3 EP 0546255A3 EP 19920112670 EP19920112670 EP 19920112670 EP 92112670 A EP92112670 A EP 92112670A EP 0546255 A3 EP0546255 A3 EP 0546255A3
Authority
EP
European Patent Office
Prior art keywords
electromagnetic wave
wave absorber
absorber
electromagnetic
wave
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.)
Withdrawn
Application number
EP19920112670
Other languages
German (de)
Other versions
EP0546255A2 (en
Inventor
Werner Zimmermann
Willi Dr. Martin
Claus Hamm
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.)
Airbus Defence and Space GmbH
Original Assignee
Deutsche Aerospace AG
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 Deutsche Aerospace AG filed Critical Deutsche Aerospace AG
Publication of EP0546255A2 publication Critical patent/EP0546255A2/en
Publication of EP0546255A3 publication Critical patent/EP0546255A3/en
Withdrawn legal-status Critical Current

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
    • H01Q17/007—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with means for controlling the absorption
EP19920112670 1991-12-12 1992-07-24 Electromagnetic wave absorber Withdrawn EP0546255A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4140944 1991-12-12
DE19914140944 DE4140944A1 (en) 1991-12-12 1991-12-12 ABSORBER FOR ELECTROMAGNETIC RADIATION

Publications (2)

Publication Number Publication Date
EP0546255A2 EP0546255A2 (en) 1993-06-16
EP0546255A3 true EP0546255A3 (en) 1993-07-28

Family

ID=6446856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920112670 Withdrawn EP0546255A3 (en) 1991-12-12 1992-07-24 Electromagnetic wave absorber

Country Status (2)

Country Link
EP (1) EP0546255A3 (en)
DE (1) DE4140944A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9308355U1 (en) * 1993-06-03 1994-02-03 Terra Bohn GmbH, 88085 Langenargen Radiation protection device
DE4336840C1 (en) * 1993-10-28 1995-02-09 Deutsche Aerospace Cover for radar antennas
DE4336841C1 (en) * 1993-10-28 1995-05-04 Deutsche Aerospace Cover for radar antennas
US7794629B2 (en) * 2003-11-25 2010-09-14 Qinetiq Limited Composite materials
WO2007058652A1 (en) * 2005-11-15 2007-05-24 Ross, Alan Method of agile reduction of radar cross section using electromagnetic channelization
DE102007051243B3 (en) 2007-10-26 2009-04-09 Eads Deutschland Gmbh Radome with integrated plasma shutter
ES2392422B1 (en) * 2010-06-30 2013-11-04 Alberto MORENO SIMÓN INTEGRATED ELECTROMAGNETIC RADIATION ATTENATOR.
ITRM20120569A1 (en) 2012-11-16 2014-05-17 Univ Roma La Sapienza ABSORBING WAVE DEVICE FOR ELECTROMAGNETIC WAVES WITH ADJUSTABLE ABSORPTION FREQUENCY
CN113735590B (en) * 2021-09-29 2022-06-28 北京理工大学 Preparation method and product of high-temperature-resistant electromagnetic wave-absorbing ceramic matrix composite material
DE102021128147A1 (en) * 2021-10-28 2023-05-04 Audi Ag Antenna device for a motor vehicle, radar device, communication device, assistance system and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188641A (en) * 1983-04-22 1987-10-07 Ici Plc Article having magnetic properties and production thereof
US4987418A (en) * 1987-12-28 1991-01-22 United Technologies Corporation Ferroelectric panel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305863A (en) * 1965-10-22 1967-02-21 Jacobs Harold Variable reflector of electromagnetic radiation
US4353069A (en) * 1980-09-10 1982-10-05 Handel Peter H Absorptive coating for the reduction of the reflective cross section of metallic surfaces and control capabilities therefor
US4639093A (en) * 1984-03-02 1987-01-27 United Technologies Corporation Switchable bandwidth filter
DE3506268A1 (en) * 1984-03-02 1985-10-10 United Technologies Corp., Hartford, Conn. METHOD AND DEVICE FOR NARROW-BAND FILTERING A MILLIMETER WAVELENGTH RADIATION RADIATION
DE3920110A1 (en) * 1989-06-20 1991-02-07 Dornier Luftfahrt Radome or radar absorber with adjustable transparency - has photosensitive layer with inside light source controlling EM state from reflection to transparency

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188641A (en) * 1983-04-22 1987-10-07 Ici Plc Article having magnetic properties and production thereof
US4987418A (en) * 1987-12-28 1991-01-22 United Technologies Corporation Ferroelectric panel

Also Published As

Publication number Publication date
EP0546255A2 (en) 1993-06-16
DE4140944A1 (en) 1993-06-17

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