Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 21 - Aerial arrays or systems
Patents for H01Q 21 - Aerial arrays or systems (25,127)
01/1999
01/07/1999EP0889543A1 Wide band printed dipole antenna for microwave and mm-wave applications
01/07/1999EP0889542A1 Wide band printed phase array antenna for microwave and mm-wave applications
01/07/1999EP0889444A2 Device for identifying persons or animals participating in sporting events
01/07/1999EP0888649A1 Array feed for axially symmetric and offset reflectors
01/07/1999CA2294626A1 Telecommunication system
01/07/1999CA2294206A1 Antenna system
01/07/1999CA2290676A1 Telecommunication system antenna and method for transmitting and receiving using said antenna
01/05/1999USH1773 Ultra-wideband active electronically scanned antenna
01/05/1999US5856810 Low sidelobe multi-beam lossless feed networks for array antennas
01/05/1999CA2156967C A radio communication device incorporating a flippable antenna structuree
01/03/1999CA2240114A1 Dual polarized cross bow tie dipole antenna having integrated airline feed
12/1998
12/30/1998WO1998044589A3 Dual-band helical antenna
12/30/1998EP0887881A2 An antenna feed and support system
12/30/1998EP0887880A2 A multi-band antenna having a common feed
12/30/1998EP0887878A1 Beam steering antenna unit
12/30/1998EP0886889A1 Wide band printed network antenna
12/30/1998EP0886887A1 Planar emitter
12/30/1998CN1203464A Multi-band slot antenna structure and method
12/30/1998CA2241128A1 Wide band printed phase array antenna for microwave and mm-wave applications
12/30/1998CA2241006A1 A multi-band antenna having a common feed
12/29/1998US5854611 In a wireless communication system
12/29/1998US5854610 Radar electronic scan array employing ferrite phase shifters
12/29/1998US5854607 Arrangement for supplying power to modular elements of a phased array antenna
12/23/1998WO1998058423A1 Wide-angle circular polarization antenna
12/23/1998EP0886337A2 Device for coupling a rectangular waveguide to a feed network for a planar antenna
12/23/1998EP0886336A2 Planar low profile, wideband, widescan phased array antenna using a stacked-disc radiator
12/23/1998EP0885492A1 An improved gps receiver utilizing a communication link
12/23/1998EP0867053A4 Dual polarized array antenna with central polarization control
12/23/1998CN1202986A Very small aperture terminal and antenna for use therein
12/23/1998CN1202746A Antenna source for transmitting and receiving microwaves
12/22/1998US5852420 Antenna device
12/22/1998US5852419 Rotating mirror drum radiometer imaging system
12/17/1998WO1998057391A1 Integrated transmitter or receiver device
12/16/1998EP0884798A2 Wide bandwidth antenna arrays
12/16/1998EP0884797A1 Antenna array with radiating slots
12/16/1998EP0883908A1 Combination satellite and vhf/uhf receiving antenna
12/16/1998EP0883907A1 Folded bow-tie antenna
12/16/1998EP0883905A1 Orthogonal switched antenna system
12/16/1998CN2300992Y 电视接收天线 TV antenna
12/16/1998CN1202295A Multichannel radio frequency transmission system to deliver wide band digital data into independent sectorized service areas
12/16/1998CN1202025A Multi-layered compact slot antenna structure and method
12/15/1998US5850198 Flat antenna with low overall height
12/15/1998CA2128738C Circularly polarized microcell antenna
12/10/1998WO1998056069A1 Adaptive array antenna
12/10/1998WO1998056067A1 Planar antenna with patch radiators for wide bandwidth and pass band function
12/10/1998DE19722742A1 Antennenanordnung Antenna array
12/10/1998DE19721986C1 Circularly polarised antenna for magneto-resonance device
12/09/1998EP0883208A2 Multi-beam antenna system for cellular radio base stations
12/09/1998EP0883206A2 Transmitting/Receiving apparatus for high frequencies and usage of the apparatus
12/08/1998US5848060 Cellular/satellite communications system with improved frequency re-use
12/08/1998US5847681 Communication and tracking antenna systems for satellites
12/08/1998US5845391 Method of making antenna array panel structure
12/03/1998WO1998054787A1 Antenna system
12/03/1998WO1998054786A1 Communication method between a base station with n antennae and a mobile phone and base station for implementing same
12/03/1998WO1998054785A1 Dual polarized aperture coupled microstrip patch antenna system
12/02/1998EP0880713A1 Combined gps positioning system and communications system utilizing shared circuitry
12/02/1998EP0843905A4 Fractal antennas, resonators and loading elements
12/02/1998EP0843904A4 Low profile antenna array for land-based, mobile radio frequency communication system
12/02/1998EP0793865B1 Electrical conducting shell structure for coaxial collinear array antenna
12/01/1998CA2172742C Double-delta log-periodic antenna
11/1998
11/25/1998EP0880193A1 Antenna source for the transmission and reception of microwaves
11/24/1998US5842117 Mobile radio aerial installation
11/24/1998US5841406 Critically coupled bi-periodic driver antenna
11/24/1998US5841405 Octave-band antennas for impulse radios and cellular phones
11/24/1998US5841401 Printed circuit antenna
11/24/1998US5841396 To calibrate a local oscillator in a mobile gps receiver
11/24/1998CA2046301C Antenna arrays
11/21/1998CA2235792A1 Antenna source for transmitting and receiving polarized microwaves
11/19/1998WO1998052301A2 Satellite apparatus with omnidirectional and manually steerable directional antenna
11/19/1998DE19821223A1 Electromagnetic signal reception antenna
11/19/1998DE19719953A1 Vehicle radar sensor e.g. for distance warning
11/19/1998CA2289646A1 Satellite apparatus with omnidirectional and manually steerable directional antenna
11/18/1998EP0878865A1 Improved antenna system and method thereof
11/18/1998EP0878864A2 Chip antenna and mobile communication apparatus using the same
11/18/1998EP0878062A1 Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception
11/18/1998CN1199468A Combined GPS positioning system and communication system utilizing shared circuitry
11/17/1998US5838284 Spiral-shaped array for broadband imaging
11/17/1998US5838282 Multi-frequency antenna
11/17/1998CA2146546C Antenna array with a continuous transverse stub element
11/13/1998CA2205389A1 Steerable mobile antenna in a mobile communication network
11/12/1998WO1998050983A1 Communications system
11/12/1998WO1998050979A1 Active antenna comprising radiating elements with redundant architecture
11/12/1998WO1998050977A1 Dual-polarized antenna and single-polarized antenna
11/11/1998EP0877443A2 Antenna and manufacturing method therefor
11/11/1998EP0877439A2 GPS wave receiving film antenna apparatus
11/11/1998EP0876711A1 Antenna system for dual mode satellite/cellular portable phone
11/10/1998US5835063 Monopole wideband antenna in uniplanar printed circuit technology, and transmission and/or recreption device incorporating such an antenna
11/10/1998US5835057 For use in a vehicle
11/05/1998WO1998049749A1 Pre-tuned hybrid logarithmic yagi antenna system
11/05/1998WO1998049747A1 Dual-band antenna with a single matching network
11/05/1998WO1998049745A1 Antenna system, in particular for pointing moving satellites
11/05/1998DE2749676C1 Electronic countermeasure device in target following radar systems susceptible to orthogonal polarisation noise
11/04/1998CN1198045A Adaptive reception diversity apparatus and adaptive transmission diversity apparatus
11/03/1998US5832389 Wideband digitization systems and methods for cellular radiotelephones
11/03/1998US5831583 Waveguide antenna
11/03/1998US5831582 Multiple beam antenna system for simultaneously receiving multiple satellite signals
11/03/1998US5831581 Dual frequency band planar array antenna
11/03/1998US5831577 GPS/radio antenna combination
11/03/1998US5831574 Method and apparatus for determining the location of an object which may have an obstructed view of the sky
11/03/1998US5829121 Antenna making method
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