Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
11/2003
11/25/2003US6654270 Directional coupling memory module
11/25/2003US6653912 RF and microwave duplexers that operate in accordance with a channel frequency allocation method
11/25/2003US6653911 Broad band impedance matching device with reduced line width
11/25/2003US6653910 Spiral balun
11/20/2003WO2003096531A2 Method of combining signals and device therefor
11/20/2003WO2003095710A2 Methods of and apparatus for electrochemically fabricating structures
11/20/2003WO2003095709A2 Multistep release method for electrochemically fabricated structures
11/20/2003WO2003095707A2 Method of and apparatus for forming three-dimensional structures
11/20/2003WO2003095706A2 Electrochemically fabricated hermetically sealed microstructures
11/20/2003US20030214365 High directivity multi-band coupled-line coupler for RF power amplifier
11/20/2003US20030214364 Broadband uniplanar coplanar transition
11/20/2003US20030214363 S/N enhancer
11/19/2003EP1363350A1 Broadband uniplanar coplanar transition
11/18/2003US6650885 RF circuit module
11/18/2003US6650270 Radar system
11/18/2003US6650200 Dynamic combiner/splitter for RF signal systems
11/18/2003US6648652 Signal transmission connector and cable employing same
11/13/2003WO2003094365A2 Construction of medium voltage power line data couplers
11/13/2003WO2003094347A1 A wideband catv signal splitter device
11/13/2003WO2003094340A2 Impedance matching/power splitting network for a multi-element antenna array
11/13/2003WO2003094281A1 Multi-layer balun transformer
11/13/2003US20030210105 Tunable microwave devices with auto-adjusting matching circuit
11/13/2003CA2485094A1 Construction of medium voltage power line data couplers
11/12/2003EP1360736A1 Waveguide generator device for energizing a cavity
11/12/2003CN1455968A Integrated broadside coupled transmission line element
11/12/2003CN1455869A Device to audibly express impedance difference
11/12/2003CN1127809C Impedance-matching device
11/11/2003US6646525 Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same
11/11/2003US6646522 Voltage tunable coplanar waveguide phase shifters
11/11/2003US6646518 Balun and semiconductor device including the balun
11/11/2003US6646517 Nonreciprocal circuit device and communication device having only two ports
11/11/2003US6645008 Connector device for garment patch antenna
11/11/2003US6643924 Method of manufacturing a distributed constant filter circuit module
11/11/2003CA2317794C Level measuring instrument with helical conductor
11/06/2003WO2003092115A1 Microstrip-to-waveguide power combiner for radio frequency power combining
11/06/2003WO2003007002A3 Interface apparatus for integrated circuit testing
11/06/2003US20030206084 Radio frequency circuit module on multi-layer substrate
11/06/2003US20030206080 Impedance matching/power splitting network for a multi-element antenna array
11/06/2003US20030206077 Tunable microwave devices with auto-adjusting matching circuit
11/05/2003EP0885469B1 A high frequency balun provided in a multilayer substrate
11/05/2003CN1454402A Self-aligned transition between a transmission line and a module
11/05/2003CN1454401A A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different seizes of spacers
11/05/2003CN1454038A Adjustable open-circuit guide circuit
11/05/2003CN1127171C Short circuit microstrip antenna and device including that antenna
11/04/2003US6642882 Mixer, radar module, and communication apparatus incorporating the same
11/04/2003US6642819 Method and bend structure for reducing transmission line bend loss
11/04/2003US6642809 Multi-layer chip directional coupler
10/2003
10/30/2003WO2003090313A1 Rf system concept for vehicular radar having several beams
10/30/2003WO2003090307A1 Embedded planar circulator and a method for fabricating the same
10/30/2003WO2003017414A3 Surface mounted broadside directional coupler
10/30/2003US20030201851 High frequency apparatus for transmitting or processing high frequency signal, and method for manufactruing the high frequency apparatus
10/30/2003US20030201843 Apparatus and resonant circuit employing a varactor diode in parallel with a transmission line and method thereof
10/29/2003EP1356538A1 Reconfigurable broadband active power splitter, ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these
10/29/2003CN1452407A Low-noise frequency changer using for satellite roadcast receiving system and in receiver unit
10/29/2003CN1452268A Multilayer substrate and satellite broadcast receiving apparatus
10/28/2003US6639491 Tunable ferro-electric multiplexer
10/28/2003US6639487 Wideband impedance coupler
10/28/2003US6639486 Transition from microstrip to waveguide
10/28/2003US6639484 Planar mode converter used in printed microwave integrated circuits
10/23/2003WO2003088517A1 Receiver using a multi-layer non-radiative dielectric waveguide
10/23/2003WO2003088480A1 Broad band impedance matching device
10/23/2003WO2003088410A1 Electric four-wire network with a transformation line
10/23/2003WO2003088409A1 Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
10/23/2003WO2003088407A1 Waveguide communication system
10/23/2003WO2003087903A1 Arrangement for the targeted excitation of defect resonances in two and three-dimensional photonic crystals
10/23/2003US20030197574 Power splitter/combiner circuit, high power amplifier and balun circuit
10/23/2003US20030197573 Multilayer substrate and satellite broadcast reception apparatus
10/23/2003US20030197572 Microstrip-to-waveguide power combiner for radio frequency power combining
10/22/2003EP1354371A1 Integrated broadside coupled transmission line element
10/22/2003EP1205009B1 Aperture coupled slot array antenna
10/22/2003CN2582330Y High power micro-wave plasma torch
10/22/2003CN1451186A Guides for RF magnetic flux
10/22/2003CN1450729A Multi-layer substrate and satellite transmission receiver
10/21/2003US6636414 High power variable slide RF tuner
10/21/2003US6636127 Broadband turnstile waveguide junction
10/21/2003US6636126 Four port hybrid
10/21/2003US6635055 Microwave applicator for endometrial ablation
10/16/2003WO2003085848A1 Method and apparatus for combining two ac waveforms
10/16/2003WO2003085775A2 Spiral couplers
10/16/2003WO2002084786A3 Ultrafast sampler with coaxial transition
10/16/2003WO2002052888A3 Device for the emission of high frequency signals
10/16/2003US20030194985 Low noise converter employed in satellite broadcast reception system and receiver apparatus
10/16/2003US20030193377 RF MEMS switch loop 180 degree phase bit radiator circuit
10/16/2003US20030193376 Broad band impedance matching device with reduced line width
10/16/2003US20030193079 Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
10/16/2003CA2480457A1 Spiral couplers
10/15/2003EP1352452A1 Connector device
10/15/2003EP1352445A1 Directional coupler, antenna interface unit and radio base station having an antenna interface unit
10/15/2003EP0858680B1 Integrated evanescent mode filter with adjustable attenuator
10/09/2003WO2003083992A1 Multiband dual polarized adjustable beamtilt base station antenna
10/09/2003US20030189517 Multi-layer-substrate and satellite broadcast reception apparatus
10/08/2003EP1350319A1 Balun
10/08/2003CN1123970C Power splitter/combiner circuit, high power amplifier and balun circuit
10/02/2003US20030186656 Method and apparatus for combining two AC waveforms
10/02/2003US20030184407 Filter having directional coupler and communication device
10/02/2003US20030184404 Waveguide adapter
10/02/2003US20030183927 Microwave integrated circuit
10/01/2003EP1349231A2 Satellite broadcast receiving converter
10/01/2003CN1445936A Wave-guide receiving system of microwave antenna
10/01/2003CN1445883A Power management device
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