Patents
Patents for H01Q 17 - Devices for absorbing waves radiated from an aerial; Combinations of such devices with active aerial elements or systems (2,636)
01/1996
01/23/1996US5486838 Broadband omnidirectional microwave antenna for minimizing radiation toward the upper hemisphere
01/18/1996DE4425261A1 EMF neutraliser with wooden base part equipped with varying quartz balls in circle
01/17/1996EP0692840A1 Wide bandwidth electromagnetic wave absorbing material
01/11/1996WO1996000992A1 Energy absorbing arrangements
01/10/1996EP0466839B1 Electromagnetic wave attenuating and deicing structure
01/09/1996US5483169 RF imaging of low observable coatings using a wire-over-ground-plane transmission line
01/04/1996WO1996000454A1 Absorbent panel
12/1995
12/27/1995EP0689297A1 Portable radio transceiver
12/27/1995EP0689263A1 Absorber for a device for testing the electromagnetic compatibility of electric and electronic systems
12/27/1995EP0689262A1 Wave absorber composition, radio wave absorber member, radio wave absorber and method for producing wave absorber member
12/14/1995WO1995033699A1 Magnetodielectric ceramic composite material, method of manufacturing same, application, and a multifunctional component
12/14/1995WO1995033515A1 Device for controlling oscillating electromagnetic fields, in particular radio waves
12/14/1995DE4420029A1 Magnetodielektrischer keramischer Verbundwerkstoff, Verfahren zu seiner Herstellung, Verwendung und multifunktionales Bauelement A magnetodielectric ceramic composite material, method for its manufacture, use and multi-functional component
12/07/1995DE4433462C1 Radar jammer for protection of aircraft propulsion units
12/06/1995EP0640250A4 Electromagnetic energy absorbing structure.
11/1995
11/23/1995DE19518541A1 Electromagnetic screening compsn.
11/09/1995WO1995030229A1 Protective device for shielding people from high-frequency electromagnetic fields
11/09/1995DE4415372A1 Schutzvorrichtung für Menschen zur Abschirmung gegen elektromagnetische Hochfrequenzfelder A protective device for people for shielding against electromagnetic high frequency fields
11/08/1995EP0681340A1 Radar-absorbing window glazing or façade covering
11/02/1995WO1995005128A1 Protection of living systems from electromagnetic fields
10/1995
10/25/1995EP0678930A2 Broadband omnidirectional microwave antenna
10/24/1995US5461392 Transverse probe antenna element embedded in a flared notch array
10/19/1995WO1995028014A1 A panel
10/19/1995DE4413266A1 Transparent cpd. material with radar reflection or absorbency
10/18/1995EP0677888A1 Electromagnetic wave absorber
10/12/1995DE4406227C1 Radar, IR or optical camouflage appts. for aircraft carrying radiators and sensors
10/04/1995EP0644820A4 Ultraviolet protective fabric.
09/1995
09/26/1995US5453745 Wideband wave absorber
09/20/1995EP0672206A1 Radar attenuating textiles.
08/1995
08/30/1995EP0669674A1 Device for camouflaging antennas
08/29/1995US5446459 A copper oxide-iron oxide system located at grain boundary in matrix ferrite
08/29/1995US5446458 Process for the fastening of an element absorbing electromagnetic waves on a wall of a structure or an infrastructure
08/22/1995US5443900 Two or more multilayer films each having resin layer and metal or alloy layer of specified thickness formed on base structure; lightweight
08/03/1995DE4401675A1 Optically transparent insulating glass pane
08/01/1995US5438333 Electromagnetic radiation absorbing shroud
07/1995
07/25/1995US5436630 Radar shields
07/06/1995DE4344909A1 Radar de-reflection element e.g. for use at airports
06/1995
06/28/1995EP0660123A2 Anechoic chamber and wave absorber
06/21/1995EP0658678A1 Elements of protective windows
06/14/1995EP0657613A1 Window glazing
06/08/1995DE4341806C1 Self support radome
05/1995
05/30/1995US5420588 Wave attenuation
05/24/1995EP0654846A1 Attenuation fin blanket for a feed horn
05/16/1995US5416667 Printed wiring board having an electromagnetic wave shielding layer
05/16/1995US5414913 Ultraviolet protective fabric
05/03/1995EP0650577A1 Anti-radar nets
04/1995
04/27/1995DE4335696A1 Planar screen for openings in a Faraday cage which screens an equipment, and a method for its production
04/25/1995US5410251 High-frequency system for nuclear spin tomography with shield for delimitation of an electric field
04/05/1995EP0646033A1 Device for protection against the biological effects of electromagnetic non-ionising radiations, particularly those emitted by vdu equipment
03/1995
03/30/1995DE4332042C1 Reflector for electromagnetic radiation
03/29/1995EP0644820A1 Ultraviolet protective fabric
03/28/1995US5401901 Weather-resistant electromagnetic interference shielding for electronic equipment enclosures
03/16/1995WO1995007603A1 Form-in-place emi gaskets
03/15/1995EP0643552A1 Form-in-place EMI gaskets
03/15/1995EP0643551A1 Form-in-place EMI gaskets
03/14/1995US5398037 Antenna structure
03/14/1995US5397854 Method of forming screen printed or mask printed microwave absorbing material on module lids to suppress EMI
03/07/1995US5396249 Microwave absorber and process for manufacturing same
03/01/1995EP0640250A1 Electromagnetic energy absorbing structure
02/1995
02/28/1995US5394150 Broad-band radio wave absorber
02/28/1995US5394149 Method of absorbing electromagnetic waves
02/24/1995CA2125602A1 Broadband omnidirectional microwave antenna
02/16/1995WO1995005013A1 Method for constructing an absorber and absorber structure
02/16/1995DE4327284A1 EMC measurement room
02/14/1995US5389434 Electromagnetic radiation absorbing material employing doubly layered particles
02/09/1995DE4336840C1 Cover for radar antennas
01/1995
01/31/1995US5385623 Method for making a material with artificial dielectric constant
01/26/1995DE4324916A1 Moulded element for absorption of electromagnetic waves
01/19/1995DE4340907C1 Window glazing
01/12/1995DE4326116C1 Testing station for electromagnetic compatibility
01/10/1995US5381149 Broadband absorbers of electromagnetic radiation based on aerogel materials, and method of making the same
01/05/1995WO1995000983A1 Arrangement for absorbing electromagnetic waves and process for producing the same
12/1994
12/14/1994EP0629019A1 Antenna device for electronic systems for protecting objects against theft
12/07/1994EP0627236A2 Protection device against radiation
11/1994
11/30/1994EP0558691B1 New category of magnetic materials, their production and use
11/24/1994WO1994027109A1 Anti-radar nets
11/15/1994US5365240 Efficient driving circuit for large-current radiator
11/15/1994US5364574 Method of forming a corrosion-resistant EMI shielding gasket between graphite and metal components
11/03/1994DE4314338A1 Radio-frequency system of an MR (nuclear spin, NMR) tomography instrument with screening means for E field limitation
11/02/1994EP0622865A2 Microwave absorber and process for manufacturing same
10/1994
10/27/1994WO1994024724A1 Broadband electromagnetic energy absorber
10/27/1994DE4331235C1 Window glazing
10/25/1994US5358787 RF absorptive window
10/04/1994US5353029 Separable electromagnetic waveguide attenuator
09/1994
09/22/1994DE4308223A1 Device for reflecting electromagnetic waves
09/15/1994DE4307805A1 RF-screened switching cabinet having a cabinet body and a cabinet door
09/06/1994US5345238 Satellite signature suppression shield
09/06/1994CA2005743C Radio wave absorbing material
09/01/1994DE4305703A1 Device for testing EMI (electromagnetic interference)
08/1994
08/18/1994WO1994018817A1 A device for radio communication
08/16/1994US5338617 Radio frequency absorbing shield and method
08/11/1994DE4410112A1 Fast, small stealth minelaying and minesweeping ship for use in the navy and the marine corps
08/09/1994US5337066 Antenna system with a limitable communication area
07/1994
07/28/1994DE3800521C1 Verfahren zur Abschirmung ruhender oder bewegter Zielobjekte Method for shielding a static or moving targets
07/28/1994DE3705316C1 Anti-radar screening of esp. military stationary or mobile target - diffusely re-radiating EM energy absorbed in rotation of mols. in envelope of chemical screening material
07/19/1994US5331567 Pyramidal absorber having multiple backing layers providing improved low frequency response
07/19/1994CA1330704C Electromagnetic wave absorbing material
07/06/1994EP0604426A1 Weather-resistant electromagnetic interference shielding for electronic equipment enclosures.
07/06/1994EP0524925B1 Composition for the manufacture of a material with dielectric or pyroelectric properties, and process for the manufacture of this material
07/05/1994US5326640 Hollow or solid glass microspheres with multilayer iron
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