Patents for H01Q 21 - Aerial arrays or systems (25,127) |
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03/25/1998 | EP0831551A2 Antenna device |
03/25/1998 | EP0831550A1 Versatile array antenna |
03/25/1998 | EP0831548A2 Antenna |
03/25/1998 | EP0830754A1 Linear coverage area antenna system for a cdma communication system |
03/25/1998 | CN1037882C 天线系统 Antenna System |
03/19/1998 | WO1998011626A1 Antenna system for enhancing the coverage area, range and reliability of wireless base stations |
03/19/1998 | WO1998011625A1 Antenna system |
03/19/1998 | WO1998011624A1 Multiple frequency antenna |
03/19/1998 | CA2265987A1 Antenna system for enhancing the coverage area, range and reliability of wireless base stations |
03/19/1998 | CA2208467A1 Dual-band, dual polarization radiating structure |
03/18/1998 | EP0829923A1 Device with radiating elements |
03/18/1998 | EP0829922A2 Phase controlled antenna |
03/18/1998 | EP0829918A2 A multifunction structurally integrated VHF-UHF aircraft antenna system |
03/18/1998 | CN1176566A Directivity control antenna apparatus for shaping radiation pattern of antenna of base station in mobile communication system in accordance with estimated directions or positions of mobile stations |
03/17/1998 | US5729237 Probe fed layered antenna |
03/12/1998 | WO1998010309A1 Transmit/receive module for planar active apertures |
03/12/1998 | DE19737136A1 Antennenvorrichtung mit steuerbarer Richtwirkung Antenna device with a controllable directional effect |
03/12/1998 | DE19636151A1 Phase controlled antenna for radar device |
03/12/1998 | DE19636085A1 Antenna array for radar frequency region |
03/12/1998 | DE19636084A1 Phase controlled antenna for radar device |
03/11/1998 | EP0828309A2 Method of fabricating electrical components |
03/11/1998 | CN2276203Y Fixed omnibearing gain broad-band antenna for TV set |
03/10/1998 | US5726662 Frequency compensated multi-beam antenna and method therefor |
03/10/1998 | US5726630 Detection of multiple articles |
03/05/1998 | WO1998009342A1 Antenna device and method for portable radio equipment |
03/05/1998 | WO1998001919A3 A handheld apparatus having antenna means for emitting a radio signal, a holder therefor, and a method of transferring signals between said apparatus and holder |
03/04/1998 | EP0826649A1 Methods of making ferroelectric ceramic-polymer composites for voltage-variable dielectric tuning and structures using same |
03/04/1998 | EP0826250A1 An antenna device with two radiating elements having an adjustable phase difference between the radiating elements |
03/03/1998 | US5724666 Polarization diversity phased array cellular base station and associated methods |
03/03/1998 | US5724051 Antenna assembly |
03/03/1998 | US5724048 Array antenna, in particular for space applications |
03/03/1998 | US5724045 Radar transponder |
03/03/1998 | US5724044 Electrically scanning microwave radiometer |
03/03/1998 | US5724042 Radar module and antenna device |
02/25/1998 | EP0825718A1 Oscillator circuit |
02/25/1998 | EP0825676A2 Complementary bowtie antenna |
02/25/1998 | EP0825674A1 Single-wire spiral antenna |
02/25/1998 | EP0825672A2 A dual frequency antenna |
02/25/1998 | EP0825671A2 Dual frequency band planar array antenna |
02/25/1998 | EP0824801A1 Method and apparatus for polarization diversity in a base station using antenna arrays |
02/25/1998 | EP0824766A1 Antenna unit |
02/25/1998 | CN1174632A Multipatch antenna |
02/24/1998 | US5722089 Antenna control device for a radio communication apparatus having a plurality of antennas |
02/19/1998 | DE19633253A1 Antenna for digital selective call |
02/17/1998 | US5719586 Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels |
02/11/1998 | EP0823751A2 Antenna switching circuits for radio telephones |
02/11/1998 | EP0823749A1 Integrated stacked patch antenna |
02/11/1998 | EP0823748A2 Antenna |
02/11/1998 | EP0823611A1 Cooling device for electronic modules |
02/11/1998 | CN1173266A Method and apparatus for providing redundant radio coverage within a vellular communication system |
02/10/1998 | US5717410 Omnidirectional slot antenna |
02/10/1998 | US5717407 Patch antenna array capable of simultaneously receiving dual polarized signals |
02/10/1998 | US5717399 Radar device for vehicle use |
02/05/1998 | WO1998005087A1 Dual-band coupled segment helical antenna |
02/04/1998 | EP0822609A1 Device for receiving and/or transmitting an electromagnetic wave |
02/04/1998 | CN2273900Y Aerial for TV set |
02/04/1998 | CN1172356A Mobile radio antenna |
02/03/1998 | US5714962 Array antenna |
01/28/1998 | EP0821429A2 Vehicle antenna |
01/28/1998 | EP0686313B1 Antenna system |
01/28/1998 | EP0677210A4 Transmit and receive antenna having angled crossover elements. |
01/28/1998 | CN1171859A Electrical conducting shell structure for coaxial collinear array antenna |
01/28/1998 | CN1171711A Base station for mobile communication |
01/27/1998 | US5712644 Microstrip antenna |
01/27/1998 | US5712643 Planar microstrip Yagi Antenna array |
01/22/1998 | DE4125386A1 Radiation sensor suitable for radar or communication system |
01/22/1998 | DE19629122A1 High-resolution radio direction finder |
01/21/1998 | EP0820116A2 Mobile radio antenna |
01/21/1998 | CN2273056Y Omnibearing antenna for TV |
01/21/1998 | CN1170972A Spiral-shaped array for broadband imaging |
01/20/1998 | US5710987 Receiver having concealed external antenna |
01/20/1998 | US5709968 Non-aqueous electrolyte secondary battery |
01/15/1998 | WO1998001923A1 Antenna array |
01/15/1998 | WO1998001921A1 A planar dual-frequency array antenna |
01/15/1998 | WO1998001919A2 A handheld apparatus having antenna means for emitting a radio signal, a holder therefor, and a method of transferring signals between said apparatus and holder |
01/15/1998 | CA2259564A1 A planar dual-frequency array antenna |
01/14/1998 | EP0818846A2 Planar antenna |
01/14/1998 | EP0818059A1 Wide antenna lobe |
01/14/1998 | EP0818058A1 Phased array antenna provided with a calibration network |
01/14/1998 | CN1170477A Array of radiating elements |
01/13/1998 | US5708971 Two-way paging system and apparatus |
01/13/1998 | US5708833 Antenna cap, antenna connectors and telephone line connectors for computer devices utilizing radio and modem cards |
01/13/1998 | US5708679 Hitless ultra small aperture terminal satellite communication network |
01/13/1998 | US5708446 Printed circuit antenna array using corner reflector |
01/13/1998 | US5708444 Multipatch antenna with ease of manufacture and large bandwidth |
01/13/1998 | US5708442 Correlation radiometer imaging system |
01/08/1998 | WO1998000930A1 A signal processing method utilizing an eigenvector corresponding to the maximum eigenvalue of an autocorrelation matrix of received signals for an antenna array system |
01/08/1998 | WO1998000882A1 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems |
01/08/1998 | DE19627015A1 Antennenarray Antenna array |
01/07/1998 | EP0817312A2 Antenna apparatus |
01/07/1998 | EP0817310A2 Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna |
01/07/1998 | EP0817304A1 Log periodic dipole antenna having a microstrip feedline |
01/07/1998 | EP0815692A2 A two-way paging system and apparatus |
01/07/1998 | EP0815613A1 Dual frequency antenna with integral diplexer |
01/07/1998 | CN1169540A Circularly symmetric, zero redundancy, planar array having broad frequency range applications |
01/07/1998 | CN1036962C Antenna system with helical feeders |
01/06/1998 | US5706015 Flat-top antenna apparatus including at least one mobile radio antenna and a GPS antenna |
01/06/1998 | US5706012 Radar system method using virtual interferometry |
12/31/1997 | CN1169209A 天线 Antenna |
12/31/1997 | CN1169042A Antenna apparatus |