Patents
Patents for H01P 3 - Waveguides; Transmission lines of the waveguide type (6,477)
01/1999
01/13/1999EP0890197A1 Bidirectional non-solid impedance controlled reference plane
01/07/1999WO1999000892A1 Microwave vco implemented in planar technique on a high dielectric loss substrate
01/07/1999WO1999000867A1 Antenna system
01/07/1999WO1999000866A1 Microstrip structure
01/07/1999DE19828488A1 Module has radiation-free dielectric waveguide
01/07/1999CA2294206A1 Antenna system
01/05/1999US5856275 Superconducting wiring lines and process for fabricating the same
12/1998
12/23/1998EP0886335A2 Dielectric waveguide
12/15/1998US5849673 Method of forming a superconductor coplanar waveguide
12/10/1998WO1998056061A1 Device for conducting high frequency electromagnetic waves
12/10/1998DE19723483A1 Anordnung zur Leitung von hochfrequenten elektromagnetischen Wellen Arrangement for the management of high-frequency electromagnetic waves
12/09/1998EP0883328A1 Circuit board comprising a high frequency transmission line
12/09/1998EP0883204A2 Nonradiative planar dielectric line and integrated circuit using the same line
12/08/1998US5847628 Electronic part using a material with microwave absorbing properties
12/08/1998US5847453 Microwave circuit package
12/08/1998US5845395 Method of producing high-temperature superconductor thin film device
12/01/1998US5844450 Integrated microstrip to suspend stripline transition structure and method of fabrication
11/1998
11/26/1998WO1998053520A1 Device for transmitting high-frequency signals
11/26/1998DE19721087A1 Vorrichtung zum Übertragen von hochfrequenten Signalen An apparatus for transmitting high-frequency signals
11/24/1998US5841333 Minimal delay conductive lead lines for integrated circuits
11/10/1998US5834995 Cylindrical edge microstrip transmission line
11/04/1998EP0875990A1 Magnetostatic wave device
11/03/1998US5830301 Method of making a multi-layer controllable impedance transition device for microwaves/millimeter waves
11/03/1998CA2145622C Quadrature modulator operable in quasi-microwave band of digital communication system
10/1998
10/29/1998WO1998043311A3 Flexible strip transmission line
10/28/1998EP0682852B1 A circuit board arrangement including shielding grids, and constructing thereof
10/22/1998WO1998047331A1 Wiring board, wiring board fabrication method, and semiconductor package
10/20/1998US5825268 Device with a nonradiative dielectric waveguide
10/20/1998US5825080 Semiconductor device provided with surface grounding conductor for covering surfaces of electrically insulating films
10/14/1998CN1195903A Intersect-line apparatus
10/14/1998CN1195902A Dielectric waveguide
10/14/1998CN1040268C 传输线 Transmission line
10/06/1998US5819169 High performance mixer structures for monolithic microwave integrated circuits
10/06/1998US5818315 Signal trace impedance control using a grid-like ground plane
10/01/1998WO1998043311A2 Flexible strip transmission line
09/1998
09/29/1998US5815123 NRD guide and NRD guide element
09/23/1998CN1193825A Planar dielectric integrated circuit
09/22/1998US5812039 Apparatus for providing a ground for circuits on carriers
09/16/1998EP0864184A1 Device with circuit element and transmission line
09/15/1998US5808529 Printed circuit board layering configuration for very high bandwidth interconnect
09/09/1998EP0863568A2 High frequency transmission line capable of improving an intermodulation distortion characteristic in a high frequency device
09/09/1998CN1192594A Planar dielectric integrated circuit
09/08/1998US5805037 Distributed transmission line structure
09/02/1998EP0862216A2 Planar dielectric integrated circuit
09/02/1998EP0862215A2 Planar dielectric integrated circuit
09/02/1998CN1192294A 可调谐微波器件 Tunable microwave devices
09/02/1998CN1192293A Arrangement and method relating to tunable devices
09/01/1998US5801669 High permeability tapped transmission line
08/1998
08/25/1998USRE35876 Triaxial transmission line for transmitting two independent frequencies
08/18/1998US5796323 For suppressing signal noise components
08/18/1998US5796321 Self-supported apparatus for the propagation of ultrahigh frequency waves
08/18/1998US5796317 Variable impedance transmission line and high-power broadband reduced-size power divider/combiner employing same
08/12/1998EP0858124A1 Impedance converting device
08/12/1998EP0858123A2 Dielectric waveguide
08/06/1998WO1998034311A1 Method and cable for connecting electronic equipment to another electronic equipment
08/06/1998CA2228906A1 Impedance converting device
08/05/1998CN1189705A Antenna-Shared distributor and transmission and receiving apparatus usingsame
08/04/1998US5789912 High frequency switch and method of testing H-F apparatus
07/1998
07/30/1998DE4447662C2 Non-radioactive dielectric waveguide and manufacturing method
07/29/1998EP0855755A2 Dielectric line intersection
07/29/1998CN1189249A Low cross talk and impedance controlled electrical connector and electrical cable assembly
07/28/1998US5786737 For matching input/output impedances of an element to be evaluated
07/28/1998US5785752 Measuring temperature of crystal; cutting to thickness
07/28/1998CA2138920C High-frequency choke circuit
07/21/1998US5783976 Composite high frequency apparatus and method of forming same
07/21/1998US5783847 Dual-mode micrometer/millimeter wave integrated circuit package
07/21/1998US5783317 Multilayer metal composite for microwave tubing and the like
07/15/1998EP0852843A1 Waveguide oscillator
07/14/1998US5781086 NRD guide circuit, radar module and radar apparatus
07/07/1998US5777533 LC filter with external electrodes only on a smaller layer
07/07/1998US5777532 Interdigital slow wave coplanar transmission line
07/01/1998CN1038966C Non-radiation dielectric waveguide elements
06/1998
06/24/1998EP0848860A1 Dielectric waveguide
06/23/1998US5770989 Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board
06/23/1998US5770988 Thin-film multilayered electrode and method of fabricating same
06/23/1998US5770987 Coplanar waVeguide strip band pass filter
06/23/1998US5770981 Composite microwave circuit module having a pseudo-waveguide structure
06/17/1998EP0848447A2 Transmission circuit using strip line in three dimensions
06/10/1998CN1184342A High frequency circuit device and used electrid element used thereof
06/09/1998US5764119 Wiring board for high-frequency signals and semiconductor module for high-frequency signals using the wiring board
06/09/1998US5764116 Dielectric resonator and filter utilizing a nonradiative dielectric waveguide device
06/03/1998EP0845832A2 Method and apparatus for the interconnection of radio frequency (RF) monolithic microwave integrated circuits
06/03/1998EP0845831A2 A millimeter waveguide and a circuit apparatus using the same
06/03/1998EP0845157A2 Microwave monolithic integrated circuit with coplaner waveguide having silicon-on-insulator composite substrate
05/1998
05/26/1998US5757331 Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide
05/26/1998US5757074 Accuracy, efficiency
05/26/1998US5756932 Signal distribution structure having lossy insulator
05/19/1998US5753968 Low loss ridged microstrip line for monolithic microwave integrated circuit (MMIC) applications
05/12/1998US5751153 Method and apparatus for characterizing a multiport circuit
05/06/1998EP0766871B1 Cryocable
04/1998
04/29/1998EP0838693A1 Antenna-shared distributor and transmission and receiving apparatus using same
04/29/1998EP0811257A4 Method and apparatus for increasing power handling capabilities of high temperature superconducting devices
04/28/1998US5745083 Slotted leaky waveguide array antenna and a method of manufacturing the same
04/28/1998US5745017 Thick film construct for quadrature translation of RF signals
04/22/1998EP0836757A1 Low cross talk and impedance controlled electrical connector and electrical cable assembly
04/22/1998CN1179633A Magnetostatic-wave device
04/15/1998EP0836276A2 Magnetostatic-wave device
04/14/1998US5739193 Polymeric compositions having a temperature-stable dielectric constant
04/02/1998WO1998013893A1 Device with circuit element and transmission line
04/01/1998EP0832507A1 Tunable microwave devices
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