Patents for H01Q 17 - Devices for absorbing waves radiated from an aerial; Combinations of such devices with active aerial elements or systems (2,636) |
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03/02/1999 | US5875575 Laser license plate cover |
02/24/1999 | EP0897675A1 Energy conversion composition |
02/18/1999 | DE19732569A1 Quasi-optical harmonic wave filter for HF signal generation |
02/17/1999 | EP0896749A1 Microwave antenna array for a motor vehicle radar system |
02/16/1999 | US5872534 High frequency broadband absorption structures |
02/04/1999 | WO1999005752A2 Radar absorber and method of manufacture |
02/03/1999 | EP0895449A2 Electrically conductive gasket and method of manuacturing the same |
02/02/1999 | US5866273 Corrosion resistant RAM powder |
01/27/1999 | CN2305763Y Full direction active TV aerial |
01/21/1999 | WO1999003167A1 Hand-portable telephone with radiation absorbing device |
01/21/1999 | DE19730065A1 Electrically conductive screening fabric has a continuous copper layer with insulating layers |
01/20/1999 | CN2305004Y Dual antenna connector |
01/13/1999 | EP0890988A2 Electrical circuit assembly mounted in a housing |
01/13/1999 | CN1205107A Compound magnet material and electromagnetic interference suppressor |
01/11/1999 | CA2240751A1 Electrical circuit configuration arranged in a casing |
01/06/1999 | CN1204230A Protective cover for hand-held telephone set and its making method |
01/05/1999 | US5855988 Electromagnetic wave absorbing shielding material |
12/30/1998 | EP0888040A2 Structure for shielding an electronic circuit from radio waves |
12/29/1998 | US5853889 Materials for electromagnetic wave absorption panels |
12/16/1998 | EP0884799A2 Semiconductor module having antenna element therein |
12/16/1998 | EP0884739A1 Compound magnetic material and electromagnetic interference suppressor |
12/09/1998 | CN1201274A Two-reflector microwave anttena |
12/08/1998 | US5847316 Electromagnetic shielding body and electromagnetic shielding structure utilizing same |
12/02/1998 | CN1200866A Radio communications device and its cover |
12/01/1998 | US5844518 Thermoplastic syntactic foam waffle absorber |
12/01/1998 | US5844417 Simulated infinite ground screen in an RF test chamber |
11/25/1998 | EP0705487B1 Arrangement for absorbing electromagnetic waves and process for producing the same |
11/25/1998 | CN1200192A Composite magnetic material and electromagnetic interference suppressing material |
11/18/1998 | CN1199495A Composite magnetic material, method for mfg. same and electromagnetic interference suppressing material |
11/18/1998 | CN1199494A EMI preventive part and active device with same |
11/10/1998 | US5833770 High frequency soft magnetic alloy and plane magnetic element, antenna and wave absorber comprising the same |
11/04/1998 | EP0875957A2 Electromagnetic wave absorber |
10/27/1998 | US5827998 Electromagnetic shielding structure having radio wave-absorbing material |
10/27/1998 | US5827445 Composite magnetic article for electromagnetic interference suppressor |
10/21/1998 | CN2295274Y All-direction full-channel active television receiving antenna |
10/20/1998 | US5826201 Antenna microwave shield for cellular telephone |
10/14/1998 | EP0871241A2 Lens antenna |
10/14/1998 | EP0871240A2 Electromagnetic wave absorber |
10/14/1998 | EP0871183A1 Composite magnetic material, method for manufacturing the same, and electromagnetic interference suppressing material |
10/14/1998 | CN2294526Y Anti-radiation concealed shielding device for Nokia digital mobile telephone |
10/08/1998 | WO1998044772A1 Radio wave absorbing panel |
10/08/1998 | DE19714299A1 Coating material for emitting surfaces |
10/06/1998 | US5817583 Radar attenuating textiles |
10/06/1998 | US5817250 Magnetic ferrite and dielectric oxides |
10/01/1998 | DE19809808A1 Shielding screen for shielding e.g. conductors |
09/23/1998 | EP0866475A1 Composite magnetic material and electromagnetic interference suppressing material |
09/23/1998 | EP0746260A4 Protection of living systems from electromagnetic fields |
09/22/1998 | US5812080 Broad-band radio wave absorber |
09/03/1998 | WO1998038697A1 Housing with radar-absorbent properties |
09/03/1998 | WO1998038518A1 Plastic body, in particular flat element, for limiting hf reflection |
09/03/1998 | DE19707585A1 Gehäuse mit radarabsorbierenden Eigenschaften Housing with radar-absorbing properties |
08/19/1998 | EP0859427A1 Dual-reflector microwave antenna |
08/19/1998 | EP0859378A1 Emi preventive part and active device with the same |
08/13/1998 | WO1998035403A1 Microwave antenna array for a motor vehicle radar system |
08/13/1998 | DE19755607A1 Mikrowellen-Antennenanordnung für ein Kraftfahrzeug-Radarsystem Microwave antenna arrangement for a motor vehicle radar system |
08/12/1998 | EP0858125A2 Radio wave absorbent |
08/06/1998 | DE19753469A1 Arranging material on walls of HF test chamber which absorbs HF energy |
07/28/1998 | US5787340 Radiation shielding apparatus for communication device |
07/28/1998 | US5786785 Electromagnetic radiation absorptive coating composition containing metal coated microspheres |
07/16/1998 | WO1998031072A1 Electromagnetic wave absorption panels and materials for same |
07/16/1998 | DE19748859A1 Low frequency absorption method for anechoic HF test chamber |
07/02/1998 | WO1998020577A3 A radio telephone with high antenna efficiency |
06/23/1998 | US5771013 An halosilane is mixed in a mixture of siloxane copolymer containing silanediol and silanol sites and methylhydrogen silanediol with silanol end groups and iron carbonyl with a solvent, heating to remove solvent; storage stabilitystability |
06/23/1998 | US5770304 Wide bandwidth electromagnetic wave absorbing material |
06/18/1998 | DE19733627C1 Seal extruded by xyz robot for electromagnetic screening and physical sealing of electronics cabinets |
06/10/1998 | DE19650420A1 Removable partial shielding arrangement for hand-carried transceiver |
06/09/1998 | US5764181 A low viscosity curable endcapped polysiloxane blend use as protective coatings; heat resistance, storage stability |
05/28/1998 | DE19648544A1 Electromagnetic radiation screening arrangement e.g. for wireless telecommunication services |
05/20/1998 | EP0801839B1 Arrangements for reducing the electromagnetic field created by power electronic equipment |
05/14/1998 | WO1998020577A2 A radio telephone with high antenna efficiency |
05/13/1998 | EP0758479B1 Protective device for shielding people from high-frequency electromagnetic fields |
05/12/1998 | US5749959 Dark coating with low solar infrared absorbing properties |
05/05/1998 | US5748151 Low radar cross section (RCS) high gain lens antenna |
04/09/1998 | WO1998014962A1 Compound magnetic material and electromagnetic interference suppressor |
03/31/1998 | US5732904 Device for signature reduction |
03/25/1998 | EP0831074A2 A ceramic composition for absorbing electromagnetic wave and a method for manufacturing the same |
03/25/1998 | CN1176949A Ceramic composition for absorbing electromagnetic wave and method for mfg. the same |
03/24/1998 | US5731777 Radio-frequency absorbing fin blanket |
03/17/1998 | US5728346 Fabrication of chiral composite material |
03/12/1998 | WO1998010440A1 Composite magnetic material and electromagnetic interference suppressing material |
03/12/1998 | WO1998010439A1 Composite magnetic material, method for manufacturing the same, and electromagnetic interference suppressing material |
03/11/1998 | EP0828313A2 Electromagnetic-wave absorber |
03/03/1998 | US5724052 Device for reducing the radome effect with a surface-radiating wideband antenna and reducing the radar cross section of the assembly |
02/26/1998 | WO1998008234A1 Emi preventive part and active device with the same |
02/24/1998 | US5721551 Apparatus for attenuating traveling wave reflections from surfaces |
02/18/1998 | CN1173949A Antenna for a portable radio communication device |
02/10/1998 | US5717397 Low observable shape conversion for aircraft weaponry |
02/04/1998 | EP0822610A2 Reflector antenna |
01/28/1998 | EP0821432A2 Wave absorber and method for production thereof |
01/20/1998 | US5710564 System for absorbing electromagnetic waves and method of manufacturing this system |
01/13/1998 | US5708435 Multilayer wave absorber |
01/07/1998 | EP0646033B1 Device for protection against the biological effects of electromagnetic non-ionising radiations, particularly those emitted by vdu equipment |
01/02/1998 | DE19625066A1 Electromagnetic radiation protection foil |
12/11/1997 | DE19623122A1 Partial screening for antenna of portable telephone |
11/27/1997 | WO1997044857A1 Transmission structure with expanded absorption bands |
11/26/1997 | CN1166092A Radio-frequency hearing aid protector for wireless communications products |
11/20/1997 | WO1997042844A1 Energy conversion composition |
11/18/1997 | US5688348 Anechoic chamber absorber and method |
11/11/1997 | US5686178 Radar chaff, metal salt |
11/05/1997 | EP0805562A2 Radio-frequency hearing aid protector for wireless communications products |