Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
08/1993
08/10/1993CA1321248C Device for transmitting wideband information and/or instructions between an element moving in a plane and a control station
08/03/1993US5233318 Cm type directional coupler
07/1993
07/22/1993WO1993014532A1 Dielectric filter construction
07/21/1993EP0551556A1 Low loss, broadband stripline-to-microstrip transition
07/20/1993US5230093 Transmitter filter with integral directional coupler for cellular telephones
07/20/1993US5229728 Integrated waveguide combiner
07/20/1993US5229599 Amplifying circuit arrangement with a signal source having a hi-ohmic output impedance
07/16/1993CA2067001A1 Low loss, broadband stripline-to-microstrip transition
07/13/1993US5227744 Transition element between electromagnetic waveguides, notably between a circular waveguide and a coaxial waveguide
07/08/1993WO1993013569A1 Coupling device with a variable coupling factor for coupling a coaxial supply line to a cavity resonator
07/07/1993CA2085651A1 Adjustable waveguide branch, and directional coupler
07/06/1993US5225797 Dielectric waveguide-to-coplanar transmission line transitions
07/06/1993CA1319963C Equal power amplifier system for active phase array antenna and method of arranging same
07/01/1993DE4142219A1 Koppelvorrichtung mit variablem koppelfaktor zur ankopplung einer koaxialen speiseleitung an einen hohlraumresonator Coupling device with variable coupling factor for the coupling of a coaxial feed line to a cavity resonator
06/1993
06/29/1993US5224218 Microwave device
06/29/1993US5223809 Signal isolating microwave splitters/combiners
06/27/1993WO1993013044A1 Higher aldehyde separation process
06/27/1993CA2126749A1 Higher aldehyde separation process
06/17/1993DE4241148A1 Directional coupler with stripline electrodes on stacked substrates - has multilayer chip structure with external electrodes connected to ends of quarter-wavelength series stripline combination
06/17/1993DE4140975A1 Amplifier circuitry for optical receiver
06/09/1993EP0545289A1 Coaxial microstrip line transducer
06/08/1993US5218368 Array antenna with radiation elements and amplifiers mounted on same insulating film
06/08/1993US5218327 Variable/switchable coupler
06/08/1993US5218322 Solid state microwave power amplifier module
06/03/1993DE4239990A1 Chip type directional coupler - has number of substrates with electrode films stacked together and produced of sintered ceramic
06/01/1993US5216432 Dual mode/dual band feed structure
05/1993
05/26/1993EP0543509A2 Polarization agility in an RF radiator module for use in a phased array
05/26/1993EP0543218A1 Flanges and bodies for microwave waveguides components
05/26/1993EP0543033A1 A connecting arrangement for providing a releasable connection between two striplines
05/26/1993EP0542917A1 Split ring resonator bandpass filter with differential output
05/25/1993US5214394 High efficiency bi-directional spatial power combiner amplifier
05/21/1993CA2081998A1 Polarization agility in an rf radiator module for use in a phased array
05/18/1993US5212815 Radio equipment directional coupler
05/18/1993US5212462 Stripline microwave module having means for contactless coupling between signal lines on different planar levels
05/18/1993US5212461 Orthomode transducer between a circular waveguide and a coaxial cable
05/13/1993WO1993009575A1 High-temperature superconductor-dielectric resonator
05/12/1993EP0261147B1 Wideband short slot hybrid coupler
05/11/1993US5210465 Magnetron having an tm01 output coupling probe passing through a coupling iris
05/05/1993EP0540286A1 High-frequency power divider and combiner
05/05/1993EP0539956A1 Coaxial to microstrip transition
05/04/1993US5208566 Dielectric filter having adjacently-positioned resonators of dissimilar cross-sectional dimensions and notched side surface
05/04/1993US5208563 Radio frequency circuit
05/04/1993US5208537 Method for matching antennas in a nuclear magnetic resonance imaging apparatus
05/01/1993CA2081386A1 Coaxial to microstrip transition
04/1993
04/28/1993EP0539133A1 A transformer
04/27/1993US5206611 N-way microwave power divider
04/27/1993US5206607 Input matching circuit
04/13/1993US5202654 Multi-stage monolithic ceramic bandstop filter with isolated filter stages
04/13/1993US5202650 Matched spurious mode attenuator and transition for circular overmoded waveguide
04/13/1993US5202649 Microwave integrated circuit device having impedance matching
04/13/1993US5202648 Hermetic waveguide-to-microstrip transition module
04/13/1993CA1316228C Plural plane waveguide coupler
04/06/1993US5200719 Impedance-matching coupler
03/1993
03/31/1993EP0534826A1 Device for in situ ultra-high frequency broadband testing
03/31/1993EP0534796A1 Broadband microstrip to slotline transition
03/31/1993EP0534790A2 Waveguide converter for transmitting input radio waves
03/30/1993US5198787 Waveguide for dividing and combining microwaves
03/30/1993US5198786 Waveguide transition circuit
03/24/1993EP0533185A1 Waveguide filter with coaxial/waveguide mode conversion
03/23/1993US5196812 Compact n-way waveguide power divider
03/23/1993US5196596 Higher aldehyde separation process
03/16/1993US5194835 Energy coupling device
03/16/1993US5194833 Airbridge compensated microwave conductors
03/04/1993WO1993005543A1 Radio equipment directional coupler
03/04/1993DE4128334A1 Planar type microwave circuit, esp. amplifier circuit - has low resistance micro-strip lines and high resistance coplanar lines, with coplanar line conductor track fed via ground line
03/02/1993US5191352 Radio frequency apparatus
03/02/1993US5191304 Bandstop filter having symmetrically altered or compensated quarter wavelength transmission line sections
02/1993
02/16/1993US5187447 Combiner/divider networks
02/10/1993EP0526643A1 Antenna device
02/09/1993US5185046 Method for non-destructive estimation of waveguide directional coupler dimensions
02/03/1993EP0525810A1 A constant impedance transition between transmission structures of different dimensions
02/02/1993US5184095 Constant impedance transition between transmission structures of different dimensions
01/1993
01/23/1993WO1993002484A1 Multi-stage monolithic ceramic bandstop filter with isolated filter stages
01/23/1993WO1993002483A1 Dielectric block filter with included shielded transmission line inductors
01/23/1993CA2089547A1 Dielectric block filter with included shielded transmission line inductors
01/21/1993WO1993001627A1 Tunable matching network
01/21/1993CA2112819A1 Tunable matching network
01/20/1993EP0524001A1 Multi-port microwave coupler
01/20/1993EP0524000A1 Multi-port microwave coupler
01/19/1993CA2073793A1 Multi-port microwave coupler
01/19/1993CA1312930C Multichannel combiner/divider
01/13/1993EP0522524A1 Microwave hybrid directional coupler with concentrated constants and quadrature outputs
01/13/1993EP0522300A2 Arrangement for coupling microwave energy
01/11/1993CA2073391A1 Arrangement for coupling in of microwave energy
01/07/1993DE4121273A1 Amplifier circuitry for optical receiver
01/05/1993US5177452 Stabilized circuit of high output power transistor for microwave and milliwave
12/1992
12/30/1992EP0520501A2 Compact N-way waveguide power divider
12/30/1992EP0520308A2 Amplifying circuit device
12/29/1992US5175521 Miniature dynamically tunable microwave and millimeter wave device
12/28/1992CA2072392A1 Compact n-way waveguide power divider
12/24/1992DE4120625A1 Attenuation adjustment appts. for high frequency lines e.g. load distributor of C-band antenna - has branch section and apertures in conducting surfaces layers sized to determine attenuation level
12/23/1992CN2125878U Converter for square-waveguide and circular-wavequide
12/23/1992CN1067343A Decametric wave coupling device between two unbalanced lines and balanced line
12/22/1992US5173672 Dielectric block filter with included shielded transmission line inductors
12/22/1992US5173666 Microstrip-to-inverted-microstrip transition
12/22/1992US5173640 Apparatus for the production of a regular microwave field
12/16/1992EP0518423A1 Microstrip coupler with maximal directivity
12/16/1992EP0518310A1 High-frequency power divider/combiner circuit
12/16/1992EP0240543B1 Phase compensated hybrid coupler
12/15/1992US5172082 For high frequency signals