Patents
Patents for H01Q 5 - Arrangements for simultaneous operation of aerials on two or more different wavebands (11,466)
04/1999
04/29/1999WO1999021247A1 Directional antenna assembly for vehicular use
04/29/1999WO1999021245A1 Compact antenna structures including baluns
04/28/1999EP0911906A2 Transparent planar antenna structure
04/27/1999US5898411 Single-element, multi-frequency, dipole antenna
04/27/1999US5898406 Antenna mounted diplexer
04/22/1999WO1999019939A1 Dual band phased array antenna
04/14/1999EP0907983A1 A planar dual-frequency array antenna
04/08/1999WO1999017396A1 A radio unit casing for a portable radio unit
04/06/1999US5892485 Dual frequency reflector antenna feed element
03/1999
03/31/1999EP0904611A1 Meander antenna device
03/31/1999CN1212791A Combination satellite and VHF/UHF receiving antenna
03/31/1999CN1212790A Folded bow-tie antenna
03/31/1999CN1212789A Orthogonal switched antenna system
03/25/1999WO1999014819A1 Dual-band helix antenna with parasitic element
03/24/1999EP0903805A2 Planar antenna device and a method for providing conductive elements on a substrate
03/24/1999CN1211833A Antenna assembly
03/18/1999WO1999013530A1 Dual band, panel mount antenna
03/18/1999WO1999013526A1 Dual band, glass mount antenna and flexible housing therefor
03/16/1999CA2176877C Common aperture isolated dual frequency band antenna
03/10/1999CN1210423A Circuits and systems for generating and communicating advanced television signals
03/09/1999US5880697 Low-profile multi-band antenna
03/09/1999US5880694 Planar low profile, wideband, wide-scan phased array antenna using a stacked-disc radiator
03/03/1999EP0899811A2 All-around vehicle antenna-apparatus
03/03/1999EP0670079B1 Y-antenna
02/1999
02/25/1999WO1999009610A1 Antenna unit and signal switching circuit
02/23/1999US5874919 Stub-tuned, proximity-fed, stacked patch antenna
02/17/1999EP0896748A1 Dual band antenna
02/16/1999US5872543 Smithdom multiband antenna
02/10/1999EP0896384A2 Multi-band antenna suitable for use in a mobile radio device
02/09/1999US5870066 Chip antenna having multiple resonance frequencies
02/09/1999US5870060 For a space satellite
02/07/1999CA2244723A1 Multi-band antenna suitable for use in a mobile radio device
02/03/1999EP0895300A2 Antenna coupler for testing of mobile telephones
02/03/1999CN1207004A Radio telephone with differential driving various antenna structure and driving method
02/02/1999US5867131 Antenna for a mobile computer
01/1999
01/28/1999WO1999004452A1 Dual band antenna
01/27/1999EP0857359A4 A linear diversity antenna
01/26/1999US5864318 Composite antenna for cellular and gps communications
01/21/1999WO1999003168A1 Trap microstrip pifa
01/21/1999WO1999003166A1 Antenna device for a hand-portable radio communication unit
01/20/1999EP0892459A1 Double resonance antenna structure for several frequency ranges
01/19/1999US5861848 Circularly polarized wave patch antenna with wide shortcircuit portion
01/19/1999US5861845 Wideband phased array antennas and methods
01/13/1999CN1205118A Multiple frequency antenna
01/13/1999CN1204874A Wide band printed phased array antenna for microwave and mm-wave applications
01/12/1999US5859620 Multiband feedhorn mount assembly for ground satellite receiving antenna
01/12/1999US5859618 Composite rooftop antenna for terrestrial and satellite reception
01/07/1999WO1999000871A1 Antenna feed architecture for use with a continuous transverse stub antenna array
01/07/1999EP0889543A1 Wide band printed dipole antenna for microwave and mm-wave applications
12/1998
12/30/1998WO1998044589A3 Dual-band helical antenna
12/30/1998EP0887880A2 A multi-band antenna having a common feed
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
12/23/1998WO1998058422A1 Dual band antenna for mobile communications
12/23/1998EP0886336A2 Planar low profile, wideband, widescan phased array antenna using a stacked-disc radiator
12/23/1998CN1202986A Very small aperture terminal and antenna for use therein
12/16/1998EP0884796A2 Antenna device consisting of bent or curved portions of linear conductor
12/16/1998EP0883908A1 Combination satellite and vhf/uhf receiving antenna
12/16/1998EP0883907A1 Folded bow-tie antenna
12/16/1998EP0883905A1 Orthogonal switched antenna system
12/15/1998US5850612 Multi-axis vertically corrected antenna for handheld wireless communications devices
12/15/1998US5850198 Flat antenna with low overall height
12/03/1998WO1998054784A1 Radio apparatus with a built-in antenna
12/03/1998DE19722506A1 Funkgerät Radio set
12/02/1998EP0881703A1 Stiff antenna and corresponding fabrication method
12/02/1998EP0843905A4 Fractal antennas, resonators and loading elements
12/01/1998US5844525 Printed monopole antenna
11/1998
11/26/1998WO1998053524A1 Highly isolated multiple frequency band antenna
11/26/1998WO1998053523A1 Radiotelephones with switching antenna matching system
11/24/1998US5841407 For coupling to a wave launching structure
11/24/1998US5841401 Printed circuit antenna
11/18/1998EP0878864A2 Chip antenna and mobile communication apparatus using the same
11/17/1998US5838282 Multi-frequency antenna
11/10/1998US5835067 Short vertical 160 meter band antenna
11/10/1998US5835057 For use in a vehicle
11/05/1998WO1998049748A1 Stacked patch antenna with frequency band isolation
11/05/1998WO1998049747A1 Dual-band antenna with a single matching network
11/05/1998WO1998049743A1 Antenna for radio communications apparatus
11/05/1998WO1998049742A1 An antenna for a radio communications apparatus
11/04/1998EP0875955A1 Multiband reception antenna for terrestrial digital audio broadcast bands
11/03/1998US5831581 Dual frequency band planar array antenna
10/1998
10/30/1998CA2232254A1 Multiband reception antenna for terrestrial digital audio broadcast bands
10/29/1998WO1998048479A1 A multi-frequency antenna
10/29/1998WO1998048477A1 Multiple band whip antenna
10/29/1998WO1998048473A1 A coupler for a multi-frequency antenna
10/29/1998CA2286844A1 A multi-frequency antenna
10/29/1998CA2286841A1 A coupler for a multi-frequency antenna
10/27/1998US5828348 Dual-band octafilar helix antenna
10/27/1998US5828345 Electrically short wide-band, wide-scan, slow wave dual notch radiator
10/27/1998US5828342 Multiple band printed monopole antenna
10/20/1998US5825335 Sheet antenna apparatus
10/14/1998EP0871238A2 Broadband antenna realized with shorted microstrips
10/14/1998CN1195907A Composite rooftop antenna for terrestrial and satallite reception
10/14/1998CN1195906A Multi-band antenna structure for portable radio
10/14/1998CN1195905A Multi-band antenna structure
10/14/1998CN1195900A Multibeam antenna
10/13/1998US5822684 Antenna switching circuit and wireless communication system
10/13/1998US5821908 Spherical lens antenna having an electronically steerable beam
10/13/1998US5821903 Conformal antenna for wireless local area network transceivers