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)
02/2004
02/04/2004EP1387437A1 Array antenna for reflector systems
02/04/2004EP1387436A2 Primary radiator
02/04/2004EP1387435A1 Antenna device
02/04/2004EP1188202B1 Device for transmitting and/or receiving signals
02/04/2004CN1473376A Antenna arrangement
02/04/2004CN1472899A Feed loudspeaker for satellite broadcasting receive converter
02/04/2004CN1472844A Built-in closed antenna and portable terminal therewith
02/03/2004US6687487 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations
02/03/2004US6686890 Slot-array antennas with shaped radiation patterns and a method for the design thereof
02/03/2004US6686886 Integrated antenna for laptop applications
02/03/2004US6686884 Microchip dual band antenna
01/2004
01/29/2004WO2004010535A1 Undersampled microstrip array using multilevel and space-filling shaped elements
01/29/2004WO2004010533A1 Antenna device and portable radio communnication terminal
01/29/2004WO2004010528A2 Dual feed multi-band planar antenna
01/29/2004US20040017322 Comformal phased array antenna and method for repair
01/29/2004US20040017320 Wireless-LAN diversity antenna less susceptible to multipath influence
01/29/2004US20040017316 Antenna apparatus
01/29/2004DE10227251A1 Kombinations-Antenne für Artilleriemunition Combination Antenna for artillery ammunition
01/28/2004EP1384312A1 Tunable voltage controlled oscillator
01/28/2004EP1384287A1 Device for exciting a centrally focused reflector antenna
01/28/2004EP1384286A1 Inverted-f ferroelectric antenna
01/28/2004EP1384285A1 Ferroelectric antenna and method for tuning same
01/28/2004EP1384284A1 Apparatus for providing a controllable signal delay along a transmission line
01/28/2004EP1249056B1 Coaxial dielectric rod antenna
01/27/2004US6683578 Built-in antenna of portable radio apparatus
01/27/2004US6683575 Antenna apparatus
01/27/2004US6683573 Multi band chip antenna with dual feeding ports, and mobile communication apparatus using the same
01/27/2004US6683572 Chip antenna device and method
01/27/2004US6683557 Technique for changing a range gate and radar for coverage
01/22/2004WO2004008575A1 Real-time, cross-correlating millimetre-wave imaging system
01/22/2004US20040012532 Antenna assembly
01/22/2004US20040012527 Circularly-polarized-wave patch antenna which can be used in a wide frequency band
01/22/2004DE10231080A1 Mikrowellenantenne Microwave antenna
01/21/2004EP1383251A1 Wireless-LAN Diversity Antenna
01/21/2004EP1383200A1 Circularly polarized wave patch antenna
01/21/2004EP1383198A1 Surface-mounted antenna and portable wireless device incorporating the same
01/21/2004EP1382083A1 Tunable multiplexer
01/21/2004CN1470089A Improvements to transmission/reception sources of electromagnetic waves for multireflector antenna
01/21/2004CN1135657C Fast-wave oscillation type antenna with multi-layer grounding surface
01/21/2004CN1135654C Planar circular polarized wave antenna and communication equipment using the same
01/20/2004US6680705 Capacitive feed integrated multi-band antenna
01/20/2004US6680700 Miniaturized microwave antenna
01/15/2004WO2004006388A1 Electrically controlled broadband group antenna, antenna element suitable for incorporation in such a group antenna, and antenna module comprising several antenna elements
01/15/2004WO2004006387A1 Slot antenna
01/15/2004WO2004006384A1 Antenna with built-in filter
01/15/2004WO2004005960A1 Circuit for multifrequency band radar level gauge
01/15/2004WO2004005959A1 Level gauging system
01/15/2004US20040008146 Plate-like multiple antenna and electrical equipment provided therewith
01/15/2004US20040008143 Antenna apparatus and method for mounting antenna
01/14/2004EP1381112A2 Planar microwave antenna
01/14/2004EP1381110A1 Satellite converter feed horn
01/14/2004EP1380106A1 Tunable matching circuit
01/14/2004CN1468468A Folded inverted f antenna for gps applications
01/14/2004CN1467873A Plate-like multiple antenna and electrical equipment provided therewith
01/14/2004CN1134858C Microstrip antenna
01/13/2004US6677916 Common aperture UHF/VHF antenna
01/13/2004US6677915 Shielded spiral sheet antenna structure and method
01/13/2004US6677910 Compact primary radiator
01/13/2004US6677909 Dual band slot antenna with single feed line
01/13/2004US6677902 Circularly polarized antenna apparatus and radio communication apparatus using the same
01/13/2004US6677899 Low cost 2-D electronically scanned array with compact CTS feed and MEMS phase shifters
01/08/2004WO2004004068A1 Antenna device
01/08/2004US20040004580 Wideband antenna with tapered surfaces
01/08/2004US20040004576 Antenna
01/08/2004US20040004571 Multiple-resonant antenna, antenna module, and radio device using the multiple-resonant antenna
01/07/2004EP1378959A1 Antenna apparatus and communication apparatus using the same
01/07/2004EP1378023A1 Portable radiotelephone
01/07/2004EP1377994A1 Tunable ferro-electric filter
01/07/2004EP1377839A1 Low-loss tunable ferro-electric device and method of characterization
01/07/2004EP1377801A2 Device for the emission of high frequency signals
01/07/2004CN1466241A Multi-frequency mobile telephone antenna
01/07/2004CN1466239A Double-frequency monodipole
01/06/2004US6674411 Antenna arrangement
01/02/2004EP1376761A1 Antenna apparatus
01/02/2004EP1374340A1 Device for receiving and/or transmitting electromagnetic signals for use in the field of wireless transmissions
01/02/2004EP1374334A2 Communicating with stackable objects using an antenna array
01/02/2004EP1088365B1 Multiband vehicle antenna
12/2003
12/31/2003WO2004002178A1 Radio communication system
12/31/2003WO2004001901A1 Equipment-stored antenna and portable terminal incorporating the antenna
12/31/2003WO2004001327A1 Combination antenna for artillery ammunition
12/31/2003CN2596679Y Double groove structure corrugated speaker feed source device
12/31/2003CN2596571Y Grooved antenna
12/31/2003CN2596570Y Conical cross field emitting antenna device
12/31/2003CN2596568Y Double frequency plane single dipolar antenna with u shape hole and slot
12/31/2003CN1133237C Co-axial-resonating slot antenna, production method thereof and wireless terminal
12/31/2003CA2464612A1 Wireless communication system
12/30/2003US6671463 Arrangement for transmitting, radiating and receiving high-frequency signals
12/30/2003US6670929 Compact annular-slot antenna
12/30/2003US6670926 Wireless communication device and information-processing apparatus which can hold the device
12/30/2003US6670923 Dual feel multi-band planar antenna
12/30/2003US6670910 Near object detection system
12/25/2003US20030234747 Beam steering apparatus for a traveling wave antenna and associated method
12/24/2003WO2003075394A3 Allround aerial arrangement for receiving terrestrial and satellite signals
12/24/2003WO2002063714A8 Miniature broadband ring-like microstrip patch antenna
12/24/2003CN1463477A Radio communications device with slot antenna
12/24/2003CN1463054A Satellite communicating converter, its feed horn and its mfg. method
12/23/2003US6667722 Multibeam radar sensor with a fixing device for a polyrod
12/23/2003US6667721 Compact broad band antenna
12/23/2003US6667718 Microstrip dual band antenna
12/23/2003US6667717 Planar inverted F antenna