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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12/21/1999 | US6005528 Dual band feed with integrated mode transducer |
12/21/1999 | US6005524 Flexible diversity antenna |
12/21/1999 | US6005521 Composite antenna |
12/21/1999 | US6005520 Wideband planar leaky-wave microstrip antenna |
12/21/1999 | US6005380 Sensitive slot antenna including inductively coupled squid array |
12/15/1999 | EP0820646B1 Antenna system, in particular an antenna system for traffic communications systems |
12/14/1999 | US6002366 Surface mount antenna and communication apparatus using same |
12/14/1999 | US6002359 Antenna system for satellite digital audio radio service (DARS) system |
12/14/1999 | CA2171658C Microstrip patch antennas with radiation control |
12/09/1999 | WO1999063624A1 Antenna feed and a reflector antenna system and a low noise (lnb) receiver, both with such an antenna feed |
12/08/1999 | EP0962034A1 Microwave antennas |
12/08/1999 | EP0962033A1 Base station antenna arrangement |
12/08/1999 | CN1237807A Radiocommunications device, and slot loop antenna |
12/07/1999 | US5999090 Alarm sensor and antenna arrangement |
12/01/1999 | EP0961344A1 Device for radiocommunication and a slot loop antenna |
12/01/1999 | EP0960452A1 Microstrip antenna and array antenna |
12/01/1999 | CN1237278A Small antenna for portable radio equipment |
11/30/1999 | US5995059 Coaxial antennas with ungrounded outer conductor section |
11/30/1999 | US5995058 System of concentric microwave antennas |
11/30/1999 | US5995057 Dual mode horn reflector antenna |
11/30/1999 | US5995056 Wide band tem fed phased array reflector antenna |
11/30/1999 | US5995055 Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance |
11/30/1999 | US5995047 Microstrip antenna device, in particular for telephone transmissions by satellite |
11/30/1999 | US5994977 High frequency signal directional coupling line |
11/30/1999 | US5994891 Electrically small, wideband, high dynamic range antenna having a serial array of optical modulators |
11/28/1999 | CA2272007A1 Radiocommunications device and loop slot antenna |
11/25/1999 | WO1999060657A1 Radio communication base station antenna |
11/25/1999 | DE19822403A1 Miniature dual band sector radiator has point dielectric inclusions on radial lines between two plane parallel circular conductive plates or foils joined by cylinder, coupled to waveguide |
11/25/1999 | DE19822398A1 Miniature sector radiator for motor vehicle antenna |
11/25/1999 | DE19822395A1 Sector radiator for GSM or DCS antenna |
11/25/1999 | DE19820708A1 Sensor Sensor |
11/24/1999 | EP0959523A1 Capacitively fed plate antenna with two circular loops |
11/23/1999 | US5990845 Broadband fan cone direction finding antenna and array |
11/23/1999 | US5990836 Multi-layered patch antenna |
11/18/1999 | WO1999059222A2 Method of manufacturing an antenna structure and an antenna structure manufactured according to the said method |
11/18/1999 | WO1999059221A1 Patch antenna with an electrically small ground plate using peripheral parasitic stubs |
11/17/1999 | EP0957371A2 Radar sensor |
11/17/1999 | EP0956614A1 Microstrip distribution array for group antenna and such group antenna |
11/16/1999 | US5987337 Radio pager |
11/11/1999 | WO1999056642A1 Microwave applicator |
11/11/1999 | DE19919383A1 Surface-mounted antenna for mobile communication device, e.g. mobile radio telephone |
11/10/1999 | EP0954886A1 A substantially flat, aperture-coupled antenna element |
11/10/1999 | CN1234915A Antenna device with improved channel isolation |
11/10/1999 | CN1234629A Split antenna special for clock |
11/10/1999 | CN1234628A Plane antenna and portable radio device using same |
11/09/1999 | US5982338 Rectangular coaxial line to microstrip line matching transition and antenna subarray including the same |
11/09/1999 | US5982334 Antenna with plasma-grating |
11/09/1999 | US5982103 Compact radio frequency transmitting and receiving antenna and control device employing same |
11/09/1999 | US5979839 Fitting for fastening a lengthwise object to a wall |
11/09/1999 | CA2041572C Dual band frequency reuse antenna |
11/03/1999 | EP0954055A1 Dual-frequency radiocommunication antenna realised according to microstrip technique |
11/03/1999 | EP0954051A1 Slot antenna in particular for a timepiece |
11/03/1999 | EP0954049A2 Circuit board bonding method, branch circuit and its designing method, waveguide-microstrip transition, and application to HF circuit, antenna and communication system |
11/02/1999 | US5977924 TEM slot array antenna |
11/02/1999 | US5977916 Difference drive diversity antenna structure and method |
11/02/1999 | US5977915 Microstrip structure |
11/02/1999 | US5977914 Microstrip antenna |
11/02/1999 | US5977710 Patch antenna and method for making the same |
10/30/1999 | CA2267536A1 Radiocommunication device and dual frequency antenna produced using microstrip technology |
10/27/1999 | EP0952625A2 Antenna for several radio communications services |
10/26/1999 | US5973654 Antenna feed having electrical conductors differentially affecting aperture electrical field |
10/26/1999 | US5973653 Inline coaxial balun-fed ultrawideband cornu flared horn antenna |
10/26/1999 | US5973652 Reflector antenna with improved return loss |
10/26/1999 | US5973644 Planar antenna |
10/21/1999 | WO1999053569A1 Centered longitudinal shunt slot fed by a resonant offset ridge iris |
10/21/1999 | WO1999053568A1 Patch antenna |
10/21/1999 | DE19817573A1 Antenne für mehrere Funkdienste Antenna for multiple radio services |
10/21/1999 | DE19817430A1 Radar sensor system with transmitter and receiver in microwave and/or radar range |
10/20/1999 | EP0950269A1 Dual band antenna |
10/19/1999 | US5969692 Antenna support fabric |
10/12/1999 | US5966101 Multi-layered compact slot antenna structure and method |
10/12/1999 | US5966097 Antenna apparatus |
10/07/1999 | WO1999050929A1 Circuit and method for eliminating surface currents on metals |
10/07/1999 | WO1999043037A3 Uniplanar dual strip antenna |
10/06/1999 | EP0947812A1 Microwave operated level gauge |
10/06/1999 | EP0947033A1 Microwave transmitter-receiver |
10/05/1999 | US5963109 Converter for a satellite antenna having a replaceable core module |
10/05/1999 | CA2136566C Microwave antenna device |
09/29/1999 | EP0944933A1 Dual polarized electronically scanned antenna |
09/29/1999 | EP0944932A1 Radial line slot antenna |
09/29/1999 | CN1230037A Multifrequency microstrip antenna and device including said antenna |
09/28/1999 | US5959591 Transverse electromagnetic horn antenna with resistively-loaded exterior surfaces |
09/28/1999 | US5959588 Dual polarized selective elements for beamwidth control |
09/28/1999 | US5959582 Surface mount type antenna and communication apparatus |
09/28/1999 | CA2195011C Conical corrugated microwave feed horn |
09/23/1999 | WO1999048168A1 Electric flush-mounted installation unit with an antenna |
09/23/1999 | WO1999036986A3 Boxhorn array architecture using folded junctions |
09/23/1999 | DE19810253A1 Sensor method with contactless sensor and evaluation circuit |
09/23/1999 | DE19709143A1 Microwave immersion sensor for measuring very different parameters, e.g. distance, fill level, moisture, material conc., density, etc., e.g. for measuring sol., emulsions or suspensions in industrial process measurement |
09/23/1999 | CA2319444A1 Electric flush-mounted installation unit with an antenna |
09/22/1999 | CN1229530A Wide-angle circular polarization antenna |
09/21/1999 | US5955998 Electronically scanned ferrite line source |
09/21/1999 | US5955997 Microstrip-fed cylindrical slot antenna |
09/15/1999 | EP0942488A2 Antenna device and radio device comprising the same |
09/15/1999 | EP0941559A1 Antenna and method of manufacture |
09/14/1999 | US5952984 Lens antenna having an improved dielectric lens for reducing disturbances caused by internally reflected waves |
09/14/1999 | US5952973 Planar antenna module |
09/14/1999 | US5952970 Antenna device and communication apparatus incorporating the same |
09/10/1999 | WO1999045751A1 Radiation transmission system |
09/08/1999 | EP0940876A1 Waveguide with a dielectric window assembly |