Patents for H01P 1 - Auxiliary devices (25,484)
10/1993
10/27/1993EP0567266A1 Helix resonator
10/27/1993EP0566743A1 Folded strip track type dielectric resonator and laminated type dielectric filter using the same
10/26/1993US5257411 Radio frequency switching device
10/26/1993US5256990 Compact, die-cast precision bandstop filter structure
10/26/1993CA1323595C Dielectric block plating process and a plating apparatus for carrying out the same
10/22/1993CA2094314A1 Helix resonator
10/21/1993DE4212871A1 Wave coupling arrangement for coaxial lead system - couples waves into and out of wave guide using inner and outer conductors of coaxial conductor system
10/20/1993EP0566145A2 High-frequency low-pass filter
10/19/1993US5255158 Microwave connector assembly connected easily to microwave circuit components
10/19/1993US5255003 Multiple-frequency microwave feed assembly
10/19/1993US5254963 Microwave filter with a wide spurious-free band-stop response
10/19/1993US5254962 Combined acoustic wave device and ceramic block filter structure
10/14/1993WO1993020595A1 Adjustable attenuator
10/13/1993CN1077314A 分集式天线 Diversity antenna
10/12/1993CA2029818C Surface-mount filter
10/06/1993EP0564266A2 Circular polarization apparatus for micro wave antenna
10/06/1993EP0564114A1 Impedance matching and bias feed network
10/06/1993EP0563987A1 Dielectric filters and duplexers incorporating same
10/06/1993EP0563969A2 High frequency signal transmission tape and apparatus for bonding the high frequency signal transmission tape
10/06/1993EP0563073A1 Optical mixing device
10/06/1993EP0563068A1 Intensity dividing device
10/06/1993EP0563067A1 Optical device.
10/06/1993EP0308502B1 Ideal distributed bragg reflectors and resonators
10/05/1993USH1244 Device for absorbing resonances in large circular cavities
10/05/1993US5250916 Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators
10/05/1993CA2001483C Microwave group propagation time correction device
10/05/1993CA1322787C Ceramic filter having integral phase shifting network
09/1993
09/29/1993EP0440661B1 A high-frequency band-pass filter
09/29/1993EP0205570B1 A compound dielectric multi-conductor transmission line
09/28/1993US5248950 High frequency signal processing apparatus with biasing arrangement
09/28/1993US5248949 Flat type dielectric filter
09/23/1993DE4207503A1 Orthogonal polarisation component combining or separating device - has orthogonally placed coupling probes having defined width to length ratio either side of thickness discontinuity in dielectric plate
09/22/1993CN1022210C Waveguide coupling arrangement
09/21/1993US5247269 Two-way duplexer for polarized microwaves
09/21/1993US5247267 Utilizing thermal conductors to increase operating power of coaxial microwave devices
09/16/1993DE4226106C1 Programmable calibration line between 2 conductor planes - has gap in inner conductor bridged by 2 alternate 4-pole networks by deflection of free inner conductor ends
09/15/1993EP0560503A1 Electrical filter
09/15/1993EP0559955A1 Antenna socket support
09/14/1993US5245353 Dual waveguide probes extending through back wall
09/14/1993US5245301 Mobile microwave link using waveguides
09/14/1993CA2004398C Second-harmonic-wave choking filter
09/14/1993CA1322232C Hybrid mode rf phase shifter
09/10/1993CA2091089A1 Filter
09/08/1993EP0558955A1 Dielectric ceramic composition and multilayer microwave device employing the same
09/07/1993US5243311 Window comprising resin/diamond layer
09/07/1993US5243309 Temperature stable folded waveguide filter of reduced length
09/07/1993US5243306 Separate type branching filter
09/02/1993DE4206433A1 Capacity separator for inner and outer leads of HF coaxial cable to be coupled together - has electrically conductive casing in two coaxial parts, each coupled to outer conductor and leaving meandering air gap in-between
09/01/1993CN1075827A Device for coupling microwave energy
08/1993
08/31/1993US5241291 Transmission line filter having a varactor for tuning a transmission zero
08/25/1993EP0556573A2 Dielectric resonator and its characteristic adjusting method
08/25/1993EP0556398A1 Wide band frequency allotment type signal selection device utilizing electromagnetic coupling
08/24/1993US5239280 Dielectric filter having inductive input/output coupling
08/24/1993US5239279 Ceramic duplex filter
08/19/1993WO1993016561A2 Channel selection switching
08/19/1993WO1993016498A1 Channel selection switching
08/18/1993EP0556004A1 Switchable dual mode directional filter system
08/17/1993US5237629 Digitally controlled distributed phase shifter
08/17/1993US5237293 Self-terminating coaxial cable connector
08/12/1993DE4203176A1 Channel selection circuit esp. for telecommunication satellite - has ring of switches interconnected with bridging by one out of every two four-position rotary switches
08/12/1993DE4203175A1 Channel selection circuit esp. for telecommunication satellite - has ring of switches interconnected with bridging by one out of every three four-position rotary switches
08/12/1993DE4203174A1 Channel selection circuit esp. for telecommunication satellite - has ring of switches interconnected with bridging by one out of every three four-position rotary switches
08/11/1993EP0555140A1 Microwave waveguide with energy loss, uses and manufacturing process for such a guide
08/11/1993CA2087938A1 Switchable dual mode directional filter system
08/10/1993US5235298 Temperature compensated stripline filter for microwaves
08/10/1993US5235297 Directional coupling manifold multiplexer apparatus and method
08/10/1993US5235295 Microwave equalizer suitable for aerospace applications
08/10/1993US5235208 Package for microwave integrated circuit
08/04/1993EP0553465A1 Process for the manufacture of a perforated work article
08/04/1993EP0214238B1 Coaxial phase shifter for transverse electromagnetic transmission line
08/03/1993US5233609 Multichannel multiplexer with frequency discrimination characteristics
08/03/1993US5233320 Compact multiple channel rotary joint
08/03/1993US5233317 Discrete step microwave attenuator
08/03/1993US5232765 Distributed constant circuit board using ceramic substrate material
07/1993
07/28/1993EP0552944A1 Waveguide to coaxial adaptor and converter for antenna for satellite broadcasting including such waveguide
07/28/1993EP0552761A1 Dielectric resonator and manufacturing method thereof
07/27/1993US5231073 Microwave/far infrared cavities and waveguides using high temperature superconductors
07/22/1993WO1993014533A1 Attenuator
07/22/1993WO1993014532A1 Dielectric filter construction
07/22/1993WO1993014531A1 Ceramic component and method of manufacture
07/22/1993WO1993014530A1 Flange connection for elements of waveguide transmission lines
07/21/1993EP0551618A1 System of "siamese" filter couples for microwave combination network
07/21/1993EP0290508B1 Orthogonal mode electromagnetic wave launcher
07/20/1993US5230093 Transmitter filter with integral directional coupler for cellular telephones
07/20/1993US5229737 Ferrite polarizer
07/20/1993US5229736 Waveguide polarization coupling
07/20/1993US5229729 Radio frequency signal combining/sorting apparatus
07/20/1993US5229727 Hermetically sealed microstrip to microstrip transition for printed circuit fabrication
07/14/1993WO1993014534A1 Load
07/14/1993EP0466689B1 Band rejection filtering arrangement
07/13/1993US5227748 Filter with electrically adjustable attenuation characteristic
07/13/1993US5227747 Dielectric filter having coupling amount adjusting patterns
07/13/1993US5227744 Transition element between electromagnetic waveguides, notably between a circular waveguide and a coaxial waveguide
07/08/1993DE4140299A1 Comb-line filter with two capacitors in series - which constitute voltage divider between stripline resonator end and second earth plane for input and output
07/07/1993EP0293419B1 Probe coupled waveguide multiplexer
07/06/1993US5225799 Microwave filter fabrication method and filters therefrom
07/01/1993DE4142728A1 Composite ferrite body for microwave circuits - comprises ferrite elements of different shapes magnetised by placing in magnetic field
06/1993
06/30/1993EP0549203A1 Waveguide switch circuit
06/30/1993EP0548819A1 Multiplexing system for plural channels of electromagnetic signals
06/29/1993US5223808 Planar ferrite phase shifter