Patents for H01P 1 - Auxiliary devices (25,484)
06/2000
06/13/2000US6075424 Article comprising a phase shifter having a movable dielectric element
06/13/2000US6074697 Method for forming an electrode pattern such as a pattern of input-output electrodes of dielectric resonators
06/13/2000CA2196258C Multi-mode cavity for waveguide filters
06/08/2000WO2000033413A1 Microstrip filter device
06/08/2000WO2000033412A1 Method for adjusting the filter characteristic of a microwave ceramic filter
06/08/2000DE19856339A1 Microwave coupling element e.g. for automobile radar device, uses 2 parallel striplines and transformation lines for compensating matching error between input and output lines
06/08/2000DE19856334A1 Hohlleiterschalter Waveguide switch
06/08/2000CA2352335A1 Microstrip filter device
06/07/2000EP1006603A1 Band pass filter, antenna duplexer, and communication apparatus
06/07/2000CN1255754A 高频低损失电极 High-frequency low-loss electrode
06/06/2000US6072999 Receiving apparatus
06/06/2000US6072824 Circuit arrangement for reducing intermodulation in a bandpass filter system
06/06/2000US6072686 Micromachined rotating integrated switch
06/06/2000US6072378 Multiple-mode dielectric resonator and method of adjusting characteristics of the resonator
06/06/2000US6072376 Filter with low-noise amplifier
06/06/2000CA2196257C Multi-mode cavity for waveguide filters, including an elliptical waveguide segment
06/06/2000CA2196007C Variable frequency resonator, variable frequency oscillator, and variable-frequency filter
06/06/2000CA2172462C Dielectric resonator and dielectric resonator device using same
06/02/2000WO2000031866A2 Temperature self-compensating filter for high frequency transceivers
06/02/2000WO2000031819A1 Method and apparatus for switching high frequency signals
06/02/2000WO2000013256A3 Coaxial cavity resonator
05/2000
05/31/2000EP1004874A1 Resonator housing for micro waves
05/31/2000EP1004149A1 Waveguide filter
05/31/2000EP0896744B1 Dual mode microwave band pass filter made of high quality resonators
05/31/2000DE19854550A1 Resonatorgehäuse für Mikrowellen Resonator for microwave
05/31/2000CN1254965A Method and equipment for automatically regulating characteristics of medium filter
05/31/2000CN1254963A Converter of linear polarized wave and circular polarized wave
05/30/2000US6070059 High-frequency switch
05/30/2000US6069542 Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body
05/30/2000US6069541 High-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the same
05/30/2000US6069540 Micro-electro system (MEMS) switch
05/30/2000CA2197841C High frequency filter
05/25/2000WO2000030205A1 Low-pass filter
05/24/2000EP1003291A2 Composite high frequency switching circuit for mobile communications equipment
05/24/2000EP1003277A1 Frequency multiplier capable of taking out efficiently and stably harmonics higher than fourth order
05/24/2000EP1003235A1 Linear/circular polarization converter utilizing elliptical waveguide
05/24/2000CN1254201A Medium filter, antenna shared device and communication equipment
05/23/2000US6067461 Stripline coupling structure for high power HTS filters of the split resonator type
05/23/2000US6067390 Ambient load waveguide switch
05/23/2000US6066996 Microwave filter with means for coupling degenerate modes
05/23/2000US6066995 Four-phase phase converter
05/23/2000US6066993 Duplexer circuit apparatus provided with amplifier and impedance matching inductor
05/23/2000US6066992 Variable ISO attenuator using absorptive/reflective elements and latching
05/23/2000US6066598 Superconducting multilayer electrode and method of producing same
05/18/2000WO2000028682A2 A method and apparatus for two-dimensional filtering in a communications system using a transformer system
05/18/2000WO2000028613A1 Ferroelectric varactor with built-in dc blocks
05/18/2000WO2000028564A1 Electromechanical relay and method of matching the impedance of the relay with the impedance of a signal source
05/18/2000WO1999052171A9 Microstrip cross-coupling control apparatus and method
05/18/2000DE19857358A1 Dielektrisches Filter A dielectric filter
05/18/2000CA2349636A1 Ferroelectric varactor with built-in dc blocks
05/17/2000EP1001483A2 A method of and an apparatus for automatically adjusting the characteristics of a dielectric filter
05/17/2000EP1001482A1 Resonance device, and oscillator, filter, duplexer, and communication device incorporating same
05/17/2000EP1001480A2 Microwave semiconductor variable attenuation circuit
05/17/2000EP1001479A1 Dielectric filter, duplexer, and communication apparatus
05/17/2000EP1001478A1 A high frequency circuit with variable phase shift
05/17/2000EP1000444A2 Dielectric filter
05/17/2000EP0719461B1 Temperature-compensated resonator
05/17/2000CN1253393A High frequency low loss electrode
05/17/2000CN1253392A Dielectric filter, dielectric common antenna and communication equipment
05/16/2000US6064895 Apparatus for filtering high frequency signals
05/16/2000US6064288 Coaxial rotary coupler
05/16/2000US6064287 Waveguide with self-pressurizing dehydrator
05/16/2000US6064285 Printed circuit board helical resonator and filter apparatus
05/16/2000US6064284 Dielectric Resonator Device With A Thermal - Conducting Member
05/16/2000US6064283 Dielectric filter
05/16/2000US6064127 Switch network
05/16/2000CA2170270C Thin film multilayered electrode of high frequency electromagnetic field coupling
05/16/2000CA2118901C Planar variable power divider
05/11/2000WO2000027174A1 An electrical component and an electrical circuit module having connected ground planes
05/11/2000WO2000026990A1 Helical antenna
05/11/2000WO2000026986A1 Multiplexer
05/11/2000WO2000026985A1 Microwave filter
05/11/2000WO2000026984A1 Microwave polariser
05/11/2000WO2000026933A1 Micro machine switch
05/11/2000WO2000026149A1 High performance embedded rf filters
05/11/2000DE19951298A1 Dielectric filter for duplexer in communications device has dielectric block with through holes for conductors extending from one end to the other with stepped rectangular cross-section
05/11/2000DE19950353A1 Dielectric filter for use in communication apparatus, has input-output electrodes capacitively coupled with inner conductors formed on inclined and mounting surfaces
05/11/2000DE19839889C1 Übergang zwischen zwei um 45 DEG gegeneinander verdrehten Quadrathohlleitern Transition between two 45 ° rotated relative to each square waveguides
05/10/2000EP0999728A1 An electrical component and an electrical circuit module having connected ground planes
05/10/2000EP0999606A1 Dielectric filter and RF apparatus employing thereof
05/10/2000EP0951752A4 Multilayer lowpass filter with improved groud plane configuration
05/10/2000EP0835533B1 Waveguide filter
05/10/2000CN1252632A Dielectric antenna and radio apparatus
05/10/2000CN1052305C Wide band flat power detector and its power indicating signal producing method
05/09/2000US6060967 Surface mount filter with dielectric block through holes connected to striplines grounded by capacitors
05/09/2000US6060966 Radio frequency filter and apparatus and method for cooling a heat source using a radio frequency filter
05/09/2000US6060965 Dielectric resonator and filter including capacitor electrodes on a non-conductive surface
05/09/2000US6060962 Phase angle modulator for microwaves
05/09/2000US6060961 Co-polarized diplexer
05/09/2000US6060960 Duplexer comprising a SAW filter disposed on a multi-layer substrate
05/09/2000US6060958 Nonreciprocal circuit device having chamfered or tapered yoke side walls
05/09/2000US6060433 Method of making a microwave device having a polycrystalline ferrite substrate
05/04/2000WO2000025384A1 Oversized microwave load of high power direct current and use as calorimeter
05/04/2000WO2000025383A1 Detector
05/04/2000WO1999056339A8 Microwave channelized bandpass filter having two channels
05/04/2000DE19846112C1 Hollow conductor circulator with three conductor arms and a ferrite body at their junction
05/03/2000EP0997973A1 Dielectric antenna including filter, dielectric antenna including duplexer, and radio apparatus using these
05/03/2000EP0997966A1 Resonator having a variable resonance frequency
05/03/2000EP0997964A2 Dielelectric filter, dielelectric duplexer, and communication apparatus
05/03/2000EP0611489B1 High-temperature superconductor-dielectric resonator