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