| Patents for H01Q 13 - Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (15,760) |
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| 02/02/1999 | US5867120 Transmitter-receiver |
| 01/29/1999 | CA2237648A1 Dual polarisation patch antenna |
| 01/27/1999 | CN1206508A Composite antenna |
| 01/20/1999 | EP0891643A1 Dual polarization antenna array with very low cross polarization and low side lobes |
| 01/19/1999 | US5861854 Surface-mount antenna and a communication apparatus using the same |
| 01/19/1999 | US5861848 Circularly polarized wave patch antenna with wide shortcircuit portion |
| 01/19/1999 | US5861839 Antenna apparatus for creating a 2D image |
| 01/14/1999 | WO1999001909A1 Broadband fan cone direction finding antenna and array |
| 01/14/1999 | WO1998037590A3 Polarization diverse antenna for portable communication devices |
| 01/13/1999 | EP0891004A1 Omnidirectional slot antenna |
| 01/13/1999 | EP0891003A1 Method and apparatus for improving pattern bandwidth of shaped beam reflectarrays |
| 01/12/1999 | US5859615 Omnidirectional isotropic antenna |
| 01/07/1999 | WO1999000871A1 Antenna feed architecture for use with a continuous transverse stub antenna array |
| 01/07/1999 | WO1999000869A1 Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance |
| 01/07/1999 | WO1999000867A1 Antenna system |
| 01/07/1999 | WO1999000866A1 Microstrip structure |
| 01/07/1999 | CA2294206A1 Antenna system |
| 01/05/1999 | US5856395 Blend containing ferroelectric material |
| 12/30/1998 | EP0888040A2 Structure for shielding an electronic circuit from radio waves |
| 12/30/1998 | EP0886889A1 Wide band printed network antenna |
| 12/30/1998 | EP0886887A1 Planar emitter |
| 12/30/1998 | CN1203465A Tuned slot antenna |
| 12/30/1998 | CN1203464A Multi-band slot antenna structure and method |
| 12/29/1998 | US5854606 Surface-mount antenna and communication apparatus using same |
| 12/23/1998 | WO1998058423A1 Wide-angle circular polarization antenna |
| 12/23/1998 | EP0886335A2 Dielectric waveguide |
| 12/23/1998 | EP0885472A1 Method and device for directionally selective emission of electromagnetic waves |
| 12/23/1998 | CN1202986A Very small aperture terminal and antenna for use therein |
| 12/23/1998 | CN1202746A Antenna source for transmitting and receiving microwaves |
| 12/17/1998 | WO1998057392A1 Horn antenna |
| 12/17/1998 | WO1998057391A1 Integrated transmitter or receiver device |
| 12/17/1998 | CA2293762A1 Horn antenna |
| 12/16/1998 | EP0884854A2 Microwave detector |
| 12/16/1998 | EP0883906A1 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers |
| 12/16/1998 | CN1202025A Multi-layered compact slot antenna structure and method |
| 12/15/1998 | US5850198 Flat antenna with low overall height |
| 12/15/1998 | CA2131953C Radiating high-freqency coaxial cable |
| 12/10/1998 | DE19811679A1 Aerial structure of stacked planar layers |
| 12/09/1998 | EP0883205A2 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 |
| 12/09/1998 | CN1201274A Two-reflector microwave anttena |
| 12/08/1998 | US5847676 For directing a beam of energy at a moving object |
| 12/08/1998 | US5847672 Composition of material exhibiting variable dielectric properties |
| 12/08/1998 | US5845395 Method of producing high-temperature superconductor thin film device |
| 12/08/1998 | US5845391 Method of making antenna array panel structure |
| 12/03/1998 | WO1998054784A1 Radio apparatus with a built-in antenna |
| 12/03/1998 | DE19722506A1 Funkgerät Radio set |
| 12/02/1998 | EP0881706A1 Source with two paths for an antenna with optical focussing |
| 12/02/1998 | EP0843904A4 Low profile antenna array for land-based, mobile radio frequency communication system |
| 12/01/1998 | US5844523 Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers |
| 12/01/1998 | US5844407 Method using squid array for improving the sensitivity of a slot antenna |
| 11/26/1998 | WO1998053525A1 Reflector antenna with improved return loss |
| 11/25/1998 | EP0880193A1 Antenna source for the transmission and reception of microwaves |
| 11/25/1998 | EP0879485A1 Compact radio frequency transmitting and receiving antenna and control device employing same |
| 11/24/1998 | US5841404 Electromagnetic wave transmitting and transferring device with high polarization isolation performance |
| 11/21/1998 | CA2235792A1 Antenna source for transmitting and receiving polarized microwaves |
| 11/18/1998 | EP0878030A1 Die-castable corrugated horns providing elliptical beams |
| 11/17/1998 | US5838280 Microstrip type antenna having small size and capable of changing gain |
| 11/10/1998 | US5835063 Monopole wideband antenna in uniplanar printed circuit technology, and transmission and/or recreption device incorporating such an antenna |
| 11/10/1998 | US5834688 Electromagnetic intruder detector sensor cable |
| 11/05/1998 | WO1998049748A1 Stacked patch antenna with frequency band isolation |
| 11/05/1998 | WO1998049743A1 Antenna for radio communications apparatus |
| 11/05/1998 | WO1998049742A1 An antenna for a radio communications apparatus |
| 11/05/1998 | WO1998049741A1 Microwave antenna system and method |
| 11/05/1998 | CA2287936A1 Microwave antenna system and method |
| 11/03/1998 | US5831583 Waveguide antenna |
| 11/03/1998 | US5831580 Slot antenna having a slot portion formed in a vehicle mounted insulator |
| 11/03/1998 | US5831578 Microwave antenna element |
| 10/28/1998 | EP0873577A1 Slot spiral antenna with integrated balun and feed |
| 10/28/1998 | CN1197309A Circular-polarization antenna |
| 10/27/1998 | US5828346 For emitting signals and receiving signals emitted from another card |
| 10/27/1998 | US5828345 Electrically short wide-band, wide-scan, slow wave dual notch radiator |
| 10/22/1998 | WO1998047198A2 A preferential crystal etching technique for the fabrication of millimeter and submillimeter wavelength horn antennas |
| 10/21/1998 | EP0872912A2 Circular-polarization antenna |
| 10/20/1998 | US5825334 Flexible antenna and method of manufacturing same |
| 10/20/1998 | US5825333 Offset multibeam antenna |
| 10/20/1998 | US5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system |
| 10/20/1998 | US5825329 Modulated backscatter microstrip patch antenna |
| 10/14/1998 | EP0871241A2 Lens antenna |
| 10/14/1998 | EP0871239A1 Antenna device and radar module |
| 10/14/1998 | EP0761020B1 Modular electronic sign system |
| 10/14/1998 | CN1195908A 天线装置和雷达模块 The antenna device and radar modules |
| 10/14/1998 | CN1195900A Multibeam antenna |
| 10/14/1998 | CN1040270C Antenna apparatus |
| 10/08/1998 | DE19813767A1 Microwave transceiver module |
| 10/07/1998 | EP0869630A2 A low power wireless network |
| 10/07/1998 | EP0869625A1 Low power wireless network |
| 10/06/1998 | US5818396 Launcher for plural band feed system |
| 10/06/1998 | US5818391 Microstrip array antenna |
| 10/01/1998 | WO1998043314A1 Integration of hollow waveguides, channels and horns by lithographic and etching techniques |
| 09/29/1998 | US5815124 Evanescent coupling antenna and method for use therewith |
| 09/29/1998 | US5815123 NRD guide and NRD guide element |
| 09/29/1998 | US5815122 Slot spiral antenna with integrated balun and feed |
| 09/29/1998 | US5815119 Integrated stacked patch antenna polarizer circularly polarized integrated stacked dual-band patch antenna |
| 09/23/1998 | EP0866517A2 Antenna-integral high frequency circuit electromagnetically coupling feeder circuit connected to high frequency circuit to microstrip antenna via slot coupling hole |
| 09/23/1998 | CN1193824A Waveguide input apparatus of two orthogonally polarized waves including two probes attached to common board |
| 09/22/1998 | US5812943 High frequency band high temperature superconductor mixer antenna which allows a superconductor feed line to be used in a low frequency region |
| 09/22/1998 | US5812034 Waveguide mode-strip line mode converter utilizing fin-line antennas of one wavelength or less |
| 09/22/1998 | CA2124459C Compact broadband microstrip antenna |
| 09/22/1998 | CA2062245C High frequency radiation cable |
| 09/17/1998 | WO1998040929A1 Mobile radio sector emitter |