Patents
Patents for H01Q 25 - Aerials or aerial systems providing at least two radiating patterns (4,128)
05/2005
05/04/2005EP1528627A1 High frequency, multiple beam antenna system
05/04/2005CN1612412A High frequency, multiple beam antenna system
05/03/2005CA2246724C Method and device for directional emission and reception of electromagnetic waves
04/2005
04/28/2005WO2005039074A1 Apparatus for repeating signal using microstrip patch array antenna
04/28/2005WO2005038484A1 Shipboard three-dimensional radar and an antenna arrangement therefor
04/28/2005US20050088356 Receiving antenna for multibeam coverage
04/27/2005EP1526605A1 Apparatus and method for multi-beam, multi-signal transmission by an active phased array antenna
04/27/2005EP1525767A1 Telecommunications radio system for mobile communication services
04/27/2005EP1525642A1 Two-dimensional antenna array
04/27/2005CN1610840A Efficient wideband waveform generation and signal processing design
04/27/2005CN1610425A Base station device with multi-antenna
04/27/2005CN1610184A Dual-band planar antenna
04/21/2005US20050085270 Wireless antenna traffic matrix
04/21/2005US20050085266 Base station device achieving effective use of frequencies by changing structures of antennas
04/21/2005US20050083244 Eccentric spiral antenna
04/21/2005US20050083239 Dual-band planar antenna
04/20/2005EP1523785A1 Common aperture antenna
04/19/2005US6882323 Multi-beam antenna system with shaped reflector for generating flat beams
04/19/2005CA2116295C Angle-error measurement antenna for a monopulse radar
04/14/2005WO2005034406A2 Method and system for enhancing reception of wireless communication signals
04/14/2005US20050078047 Method and apparatus for frequency selective beam forming
04/13/2005EP1522124A2 Antenna steering scheduler for mobile station in wireless local area network
04/13/2005CN2692852Y 天线装置 The antenna device
04/13/2005CN1197201C Antenna diversity arrangement
04/07/2005WO2005032169A2 Interference based channel selection method in sectorized cells in a wlan
04/06/2005CN2691086Y Electromagnetic isolation coupling cross synthetic field antenna
04/03/2005CA2483251A1 Multi-beam communication satellite antenna with failure compensation
03/2005
03/31/2005US20050070331 Signal transmission apparatus and signal transmission method
03/31/2005US20050068251 Multi-beam antenna
03/31/2005US20050068230 Reducing co-channel interference in satellite communications systems by antenna re-pointing
03/29/2005US6873293 Adaptive receive and omnidirectional transmit antenna array
03/29/2005CA2480975A1 Reducing co-channel interference in satellite communications systems by antenna re-pointing
03/29/2005CA2277987C Directional-beam generative apparatus and associated method
03/23/2005EP1517398A1 Variable beam antenna device, transmitter-receiver and network notebook
03/23/2005EP1516393A1 Double polarization dual-band radiating device
03/23/2005CN1194445C Antenna for radio transmission device
03/23/2005CN1194444C 一个天线阵列系统 An antenna array system
03/22/2005US6869401 Ultrasound probe with integrated electronics
03/17/2005WO2005025109A2 Communication satellite cellular coverage pointing correction using uplink beacon signal
03/17/2005CA2535998A1 Communication satellite cellular coverage pointing correction using uplink beacon signal
03/10/2005WO2004088787A3 Phased array antenna for indoor application
03/10/2005US20050052333 Multi-beam and multi-band antenna system for communication satellites
03/09/2005CN1192455C Sparse array antenna
03/08/2005US6864853 Combination directional/omnidirectional antenna
03/08/2005US6864850 Multibeam antenna
03/08/2005US6864831 Radar detection method and apparatus
03/03/2005WO2005020462A2 Interference based channel selection method in sectorized cells in a wlan
03/03/2005US20050048915 Communication satellite cellular coverage pointing correction using uplink beacon signal
03/03/2005DE10336071B3 Antennenanordnung sowie Verfahren insbesondere zu deren Betrieb Antenna array and method particularly for its operation
03/02/2005EP1511119A1 Reconfigurable antenna array and wireless communication device using same
03/02/2005CN2682594Y Antenna module for double-mode wireless network
03/01/2005US6862004 Eccentric spiral antenna and method for making same
02/2005
02/24/2005WO2005018040A2 Multi-beam antenna
02/24/2005WO2005017559A2 Security system with mm-wave imaging
02/24/2005WO2004100308A3 Antennas (variants)
02/24/2005WO2004095627A3 Apparatus and method for isolating in-channel fm antennas sharing common aperture space
02/23/2005CN1585190A Antenna assembly and wireless communication device using same
02/22/2005US6859188 Rotationally configurable offset reflector antenna
02/22/2005US6859169 Medium earth orbit satellite surveillance system and antenna configuration therefore
02/17/2005WO2005015690A1 Antenna array and method, particularly for operating the same
02/17/2005US20050037813 Antenna system for generating and utilizing several small beams from several wide-beam antennas
02/16/2005EP1506595A1 Rf system concept for vehicular radar having several beams
02/16/2005CN1581829A Wireless LAN accessing point device and accessing method
02/16/2005CN1581577A Apparatus and method for sending signals
02/15/2005US6856284 Methods and apparatus for multi-beam, multi-signal transmission for active phased array antenna
02/09/2005EP1505742A2 Apparatus and method using a beam pattern for transmitting a common and a dedicated signal
02/09/2005EP1505407A1 Multifunction radar system
02/08/2005US6853329 Monopulse radar system
02/03/2005WO2005011057A1 Dual polarised antenna device for an antenna array and method for manufacturing the same
02/03/2005US20050024286 Antenna device and wireless communication device using same
02/02/2005EP1421649A4 Method and apparatus for frequency selective beam forming
02/01/2005CA2142583C Base station antenna arrangement
01/2005
01/27/2005US20050018540 Integrated portable ultrasound imaging system
01/26/2005EP1499848A1 Method for data transmission between military aeroplanes and devices for carrying out said method
01/20/2005US20050012655 Electronically agile multi-beam antenna system
01/19/2005EP1498986A1 Antenna system for generation and utilizing several small beams from several wide-beam antennas
01/19/2005CN1568585A Method of detection of signals using an adaptive antenna in a peer-to-peer network
01/18/2005US6844861 Method of fabricating waveguide channels
01/13/2005WO2005004324A1 Optical control type microwave phase forming device
01/13/2005US20050007289 Multi-band horn antenna using frequency selective surfaces
01/13/2005US20050007287 Multiple phase center feedhorn for reflector antenna
01/12/2005EP1496570A1 Multi-band horn antenna using frequency selective surfaces
01/11/2005US6842401 Sonar beamforming system
01/07/2005CA2467470A1 Multi-band horn antenna using frequency selective surfaces
01/06/2005US20050004464 Method and apparatus for forming multiple beams
01/05/2005EP1310018A4 Switched beam antenna architecture
01/05/2005EP1277372B1 Reception system for multisensor antenna
01/05/2005CN1561563A Device for producing secondary radiation diagrams in a phased array antenna system
01/04/2005CA2333574C Repeater apparatus
12/2004
12/30/2004US20040266481 RF ID tag reader utilizing a scanning antenna system and method
12/30/2004US20040263418 Radio wave lens antenna apparatus
12/30/2004US20040263387 Electronically agile dual beam antenna system
12/29/2004WO2004114706A1 Transmission channel selection based on historic quality data in a wlan
12/29/2004WO2004086563A8 Luneberg lens and process for producing the same
12/29/2004WO2004082071A8 Systems and methods for providing independent transmit paths within a single phased-array antenna
12/29/2004EP1492252A1 Multi-beam antenna transmitter/receiver and transmitting/receiving method and transmission beam selection method
12/29/2004EP0934636B1 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
12/24/2004CA2470281A1 Multiple phase center feedhorn for reflector antenna
12/23/2004US20040259563 Method and apparatus for sector channelization and polarization for reduced interference in wireless networks
12/23/2004US20040259558 Method and apparatus for coverage and throughput enhancement in a wireless communication system
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