Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053)
01/1999
01/12/1999US5859617 Extendable rod antenna and helical antenna with frequency adjusting conductor
01/12/1999US5859614 Low-loss aperture-coupled planar antenna for microwave applications
01/07/1999WO1999000867A1 Antenna system
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
01/07/1999EP0889541A1 Helix antenna with variable length
01/07/1999CA2294206A1 Antenna system
01/05/1999US5857150 RF receiver range extender
01/05/1999US5856807 Antenna for a two-way radio
12/1998
12/30/1998WO1998059390A1 Retractable tripod antenna
12/30/1998WO1998059389A1 Dipole antenna for radiotelephones
12/30/1998EP0887881A2 An antenna feed and support system
12/30/1998EP0886887A1 Planar emitter
12/30/1998CN1203700A Method of mass producing printed circuit antennas
12/30/1998CA2241128A1 Wide band printed phase array antenna for microwave and mm-wave applications
12/29/1998US5854606 Surface-mount antenna and communication apparatus using same
12/24/1998DE19726570C1 Dipolantenne für Funktelefone Dipole antenna for radio
12/23/1998WO1998058423A1 Wide-angle circular polarization antenna
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
12/23/1998EP0867053A4 Dual polarized array antenna with central polarization control
12/23/1998CN2301795Y Omnibearing electronic switching commutation fixed TV receiving antenna
12/16/1998EP0884798A2 Wide bandwidth antenna arrays
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
12/16/1998EP0883906A1 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers
12/16/1998EP0883905A1 Orthogonal switched antenna system
12/10/1998WO1998056067A1 Planar antenna with patch radiators for wide bandwidth and pass band function
12/10/1998WO1998056066A1 Retractable antenna
12/10/1998WO1998040753A3 High voltage installation with a device for transmitting signals
12/09/1998EP0883205A2 Device for fixing a feeding element in a metallic waveguide of an antenna and for electrically connecting the element to a coaxial line outside the waveguide
12/08/1998US5847682 Top loaded triangular printed antenna
12/08/1998US5845395 Method of producing high-temperature superconductor thin film device
12/08/1998CA2148125C Antenna arrangement for a wireless communication device
12/03/1998WO1998054785A1 Dual polarized aperture coupled microstrip patch antenna system
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
12/02/1998EP0634057B1 Radio circuit including antenna assembly
12/01/1998US5844525 Printed monopole antenna
12/01/1998US5844523 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers
12/01/1998US5844407 Method using squid array for improving the sensitivity of a slot antenna
11/1998
11/26/1998WO1998053524A1 Highly isolated multiple frequency band antenna
11/26/1998WO1998053523A1 Radiotelephones with switching antenna matching system
11/25/1998EP0879486A1 Thin antennas
11/25/1998EP0879485A1 Compact radio frequency transmitting and receiving antenna and control device employing same
11/24/1998US5841407 For coupling to a wave launching structure
11/24/1998US5841405 Octave-band antennas for impulse radios and cellular phones
11/24/1998US5841401 Printed circuit antenna
11/19/1998WO1998052246A1 An integrated antenna phase shifter
11/19/1998DE19821223A1 Electromagnetic signal reception antenna
11/18/1998EP0878864A2 Chip antenna and mobile communication apparatus using the same
11/18/1998EP0878029A1 A method and arrangement relating to a telecommunication system
11/17/1998US5838280 Microstrip type antenna having small size and capable of changing gain
11/17/1998US5836072 Method of assembling an antenna and over-molding the same with a thermoplastic material
11/12/1998WO1998050977A1 Dual-polarized antenna and single-polarized antenna
11/11/1998CN2297018Y Backfire receiving antenna for TV set
11/10/1998US5835069 Navigation satellite system component
11/10/1998US5835067 Short vertical 160 meter band antenna
11/10/1998US5835065 Variable length whip with helix antenna system
11/10/1998US5835063 Monopole wideband antenna in uniplanar printed circuit technology, and transmission and/or recreption device incorporating such an antenna
11/10/1998US5835062 Flat panel-configured electronically steerable phased array antenna having spatially distributed array of fanned dipole sub-arrays controlled by triode-configured field emission control devices
11/05/1998WO1998049749A1 Pre-tuned hybrid logarithmic yagi antenna system
11/05/1998WO1998049748A1 Stacked patch antenna with frequency band isolation
11/05/1998WO1998049743A1 Antenna for radio communications apparatus
11/05/1998WO1998049742A1 An antenna for a radio communications apparatus
11/05/1998WO1998049741A1 Microwave antenna system and method
11/05/1998WO1998049740A1 Radiotelephones with integrated matching antenna systems
11/05/1998CA2287936A1 Microwave antenna system and method
11/04/1998EP0875955A1 Multiband reception antenna for terrestrial digital audio broadcast bands
11/03/1998US5832389 Wideband digitization systems and methods for cellular radiotelephones
11/03/1998US5831578 Microwave antenna element
11/03/1998US5831577 GPS/radio antenna combination
10/1998
10/30/1998CA2232254A1 Multiband reception antenna for terrestrial digital audio broadcast bands
10/29/1998WO1998048480A1 Antenna system
10/29/1998WO1998048479A1 A multi-frequency antenna
10/29/1998WO1998048478A1 High impedance type high frequency antenna
10/29/1998WO1998048477A1 Multiple band whip antenna
10/29/1998WO1998048473A1 A coupler for a multi-frequency antenna
10/29/1998DE19706913A1 Mobile radio E-planar antenna
10/29/1998CA2287357A1 Antenna system
10/29/1998CA2286844A1 A multi-frequency antenna
10/29/1998CA2286841A1 A coupler for a multi-frequency antenna
10/28/1998EP0873577A1 Slot spiral antenna with integrated balun and feed
10/27/1998US5828346 For emitting signals and receiving signals emitted from another card
10/27/1998US5828342 Multiple band printed monopole antenna
10/27/1998US5828340 Wideband sub-wavelength antenna
10/27/1998US5828339 Integrated directional antenna
10/21/1998EP0871987A1 A microstrip antenna
10/20/1998US5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system
10/20/1998US5825329 Modulated backscatter microstrip patch antenna
10/14/1998EP0871238A2 Broadband antenna realized with shorted microstrips
10/14/1998EP0871237A1 Planar antenna
10/14/1998EP0871236A2 An antenna arrangement for small-size radio communication devices
10/14/1998EP0870345A1 Antenna assembly
10/14/1998EP0761020B1 Modular electronic sign system
10/14/1998CN1195906A Multi-band antenna structure for portable radio
10/14/1998CN1195905A Multi-band antenna structure
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