Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
12/2001
12/11/2001US6329649 Mm-wave/IR monolithically integrated focal plane array
12/06/2001WO2001093372A1 Narrow-band, crossed-element, offset-tuned dual band, dual mode meander line loaded antenna
12/06/2001WO2001093370A1 Narrow-band, symmetric, crossed, circularly polarized meander line loaded antenna
12/06/2001US20010049295 Radio communication apparatus using adaptive antenna
12/06/2001US20010049180 Surface pin device
12/06/2001US20010048400 Low profile, broadband, dual mode, modified notch antenna
12/06/2001US20010048399 Dual-spiral-slot antenna for circular polarization
12/06/2001US20010048395 Narrow-band, symmetric, crossed, circularly polarized meander line loaded antenna
12/06/2001US20010048390 Surface mount antenna and communication device including the same
12/05/2001EP1161003A1 Arrival direction determining method and radio receiving device
12/05/2001EP1160917A1 Antenna structure for electromagnetic structures
12/05/2001EP1160916A2 Planar antenna
12/05/2001EP1160911A1 Additional antenna RF switch in a mobile terminal for a wireless telecommunication system
12/05/2001EP1160583A2 Detection of multiple articles
12/05/2001CN2463969Y Base station short-wave wideband aerial body
12/04/2001US6326927 Capacitively-tuned broadband antenna structure
12/04/2001US6326924 Polarization diversity antenna system for cellular telephone
12/04/2001US6326923 Small-sized circular polarized wave microstrip antenna providing desired resonance frequency and desired axis ratio
12/04/2001US6326920 Sheet-metal antenna
11/2001
11/29/2001WO2001091238A1 E h antenna
11/29/2001WO2001091227A2 Wideband meander line loaded antenna
11/29/2001WO2001048857A3 Low profile waveguide network for antenna array
11/29/2001WO2000074170A3 Mixed signal true time delay digital beamformer
11/29/2001US20010046258 Portable, self-contained satellite transceiver
11/29/2001US20010045914 Device and system for providing a wireless high-speed communications network
11/29/2001DE10120641A1 Ceramic used in the production of a high frequency printed circuit board comprises crystal phases and an amorphous phase
11/29/2001CA2409155A1 Wideband meander line loaded antenna
11/28/2001EP1158608A1 Multi-frequency sharing array antenna
11/28/2001EP1158606A1 Dual-spiral-slot antenna for circular polarization
11/28/2001EP1158604A2 Antenna, antenna device, and radio equipment
11/28/2001EP1158602A1 Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array
11/28/2001EP1157446A1 Volumetric phased array antenna system
11/28/2001EP1157440A1 A microstrip antenna arrangement in a communication device
11/27/2001US6324380 Dual-mode satellite/terrestrial mobile communication unit
11/27/2001US6323820 Multiband antenna
11/27/2001US6323817 Antenna cluster configuration for wide-angle coverage
11/27/2001US6323806 Antenna system and method for operating an antenna system
11/22/2001WO2001089028A2 Portable, self-contained transceiver for satellite communication
11/22/2001WO2001035684A3 Non-bandlimiting antenna sharing method and apparatus for base stations
11/22/2001WO2001006595A3 Active antenna array configuration and control for cellular communication systems
11/22/2001US20010044276 Adaptive array antenna unit
11/22/2001US20010043156 Transmitting-receiving station for radio wave diversity inside building
11/21/2001EP1156549A2 A multi-band cellular basestation antenna
11/21/2001EP1155473A1 Apparatus for suppressing mutual interference between antennas
11/21/2001CN1323468A Antenna array for a radio station which can be operated in a plurality of frequency ranges, and a radio station
11/21/2001CN1075253C Microwave antennas
11/20/2001US6321066 Method and apparatus for directional radio communication
11/20/2001US6320555 Internally branch fed slotted coaxial antenna
11/20/2001US6320549 Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications
11/20/2001US6320547 Switch structure for antennas formed on multilayer ceramic substrates
11/20/2001US6320546 Phased array antenna with interconnect member for electrically connnecting orthogonally positioned elements used at millimeter wavelength frequencies
11/20/2001US6320545 Surface-mount antenna and communication apparatus using the same
11/20/2001US6320544 Method of producing desired beam widths for antennas and antenna arrays in single or dual polarization
11/20/2001US6320542 Patch antenna apparatus with improved projection area
11/20/2001US6320537 Beam forming network having a cell reuse pattern and method for implementing same
11/20/2001US6320509 Radio frequency identification transponder having a high gain antenna configuration
11/20/2001CA2256171C Micro-strip antenna having bi-directional or non-directional characteristic
11/15/2001US20010041541 Method and antenna arrangement for coupling external antennas to a communication unit
11/15/2001US20010040528 Symmetrical antenna structure and a method for its manufacture as well as an expansion card applying the antenna structure
11/14/2001EP1154519A1 Antenna device
11/14/2001EP1154516A1 Impedance matching circuit and antenna using impedance matching circuit
11/14/2001EP1154515A2 High-isolation, common-focus, transmit-receive antenna set
11/14/2001EP1154513A1 Built-in antenna of wireless communication terminal
11/14/2001EP1153317A2 Method of interrogating a radio frequency identification device
11/14/2001EP1153316A2 Method of detecting a radio frequency identification device
11/14/2001EP1153315A2 System for radio frequency identification
11/14/2001EP1012906B1 Microwave flat antenna
11/14/2001CN1322391A Multiple loop antenna
11/14/2001CN1322035A 天线模组单元 Antenna module unit
11/14/2001CN1322033A Surface installed antenna and radio device incorperated with it
11/14/2001CN1074872C 数字通信系统 A digital communication system
11/13/2001US6317611 Communication device with adaptive antenna
11/13/2001US6317101 Antenna having multi-directional spiral elements
11/13/2001US6317100 Planar antenna array with parasitic elements providing multiple beams of varying widths
11/13/2001US6317099 Folded dipole antenna
11/13/2001US6317098 Communication employing triply-polarized transmissions
11/13/2001US6317096 Antenna system
11/13/2001US6317095 Planar antenna and method for manufacturing the same
11/13/2001US6317094 Feed structures for tapered slot antennas
11/13/2001US6316719 Fabrication of circuit modules with a transmission line
11/08/2001WO2001084730A1 Low profile, broadband, dual mode, modified notch antenna
11/08/2001WO2001084670A1 Planar ultra wide band antenna with integrated electronics
11/08/2001WO2001084669A1 Metamorphic parallel plate antenna
11/08/2001WO2001084529A1 Electrographic position location apparatus and method
11/08/2001WO2001084289A1 Information processor, wireless communication card, and information processor system
11/08/2001US20010038332 Monitoring antenna system
11/08/2001US20010038321 Device for decreasing the number of antennas on a combat vehicle
11/08/2001DE10118742A1 Microwave or extremely high frequency module with integrated slot antenna
11/08/2001CA2407618A1 Electrographic position location apparatus and method
11/07/2001EP1152487A1 Monolithic antenna with orthogonal polarisation
11/07/2001EP1152483A1 Dual-band microwave radiating element
11/07/2001EP1152258A1 Low-cost radar, in particular for high-resolution imaging
11/07/2001EP1151317A2 Antenna assembly including dual channel microwave transmit/receive modules
11/07/2001CN1321375A Radio communication device and method of controlling antenna
11/07/2001CN1321345A Antenna which can be operated in several frequency bands
11/07/2001CN1320982A Method for generating desired beam width in single or double polarizing antenna and antenna array
11/06/2001US6314273 Mobile telecommunication apparatus having notches
11/06/2001US6313809 Dual-polarized dipole antenna
11/06/2001US6313807 Slot fed switch beam patch antenna
11/06/2001US6313806 Slot antenna with susceptance reducing loops