| Patents for H01P 7 - Resonators of the waveguide type (6,314) |
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| 08/25/1999 | EP0938185A1 Voltage-controlled oscillator and method for adjusting frequency shift amount thereof |
| 08/25/1999 | EP0938154A1 Dielectic resonator, dielectric filter, dielectric duplexer and communication device |
| 08/25/1999 | EP0937310A1 Filtering device with metal cavity provided with dielectric inserts |
| 08/25/1999 | EP0643874B1 Microwave resonator |
| 08/24/1999 | US5943005 Multilayer dielectric line circuit |
| 08/24/1999 | US5942959 Filter device having a dielectric resonator and a coupling loop with adjustable coupling between the dielectric resonator and the coupling loop |
| 08/19/1999 | WO1999041799A1 Laser tunable thick film microwave resonator for printed circuit boards |
| 08/18/1999 | EP0935822A1 Resonator filter |
| 08/18/1999 | EP0910875A4 Ceramic filter with a coplanar shield |
| 08/17/1999 | US5939344 Microwave dielectric porcelain composition |
| 08/04/1999 | EP0933831A1 Coplanar line filter and duplexer |
| 08/04/1999 | CN1224935A Dielectric resonator, dielectric filter using dielectric resonator and dielectric duplexer |
| 07/28/1999 | EP0932255A2 MCM with high Q overlapping resonator |
| 07/28/1999 | CN1224253A 滤波器 Filter |
| 07/27/1999 | US5929727 Dielectric resonator, method for manufacturing the same, filter and communication apparatus |
| 07/27/1999 | US5929726 Dielectric filter device |
| 07/22/1999 | WO1999036985A1 Electromagnetic resonator |
| 07/22/1999 | WO1999036982A2 Tunable ceramic filters |
| 07/22/1999 | CA2315791A1 Electromagnetic resonator |
| 07/21/1999 | EP0930666A1 Dielectric filter and dielectric duplexer |
| 07/21/1999 | CN1223478A Filter, duplexer, and communication device |
| 07/15/1999 | WO1999022564A3 Dielectric filter and method for adjusting bandpass characteristics of same |
| 07/13/1999 | US5923233 Resonator resonant frequency tuning |
| 07/13/1999 | US5922650 Method and structure for high power HTS transmission lines using strips separated by a gap |
| 07/07/1999 | EP0928039A1 Band elimination dielectric filter, dielectric duplexer and communication device using the same |
| 07/07/1999 | CN1222257A 集成滤波器 Integrated filter |
| 07/07/1999 | CN1221995A Dielectric filter, dielectrie duplexer, and communication device |
| 07/06/1999 | US5920244 Thin-film multilayered electrode, high-frequency resonator, and high-frequency transmission line |
| 07/06/1999 | US5920243 Multi-layer thin-film electrode, for a high-frequency transmission line, resonator, and filter |
| 07/06/1999 | US5919736 Electromagnetic resonant filter |
| 07/01/1999 | DE19757323A1 Planar resonator as radio frequency SQUID resonant circuit |
| 06/30/1999 | CN1221514A Distributed device for differential circuit |
| 06/30/1999 | CN1221229A Band elimination filter and duplexer |
| 06/22/1999 | US5914296 Resonators for high power high temperature superconducting devices |
| 06/16/1999 | EP0923151A1 Dielecrically loaded cavity resonator |
| 06/16/1999 | EP0923150A1 Collapsible pocket for changing the operating frequency of a microwave filter and a filter using the device |
| 06/16/1999 | CN1220031A Resonators for high power high temp. superconducting devices |
| 06/15/1999 | US5912603 Dielectric filter having a longitudinal through-hole and a transverse connection conductor |
| 06/15/1999 | US5912472 Switchable planar high frequency resonator and filter |
| 06/03/1999 | WO1999027647A2 Symmetrical biasing architecture for tunable resonators |
| 06/02/1999 | EP0919110A1 High-mode microwave resonator for the high-temperature treatment of materials |
| 06/01/1999 | US5909160 Temperature compensated sapphire resonator for ultrastable oscillator operating at temperatures near 77° Kelvin |
| 05/19/1999 | EP0917239A1 Filter, duplexer and communication device |
| 05/19/1999 | EP0917238A1 Dielectric resonator, dielectric filter using the dielectric resonator and dielectric duplexer |
| 05/19/1999 | EP0917236A2 High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device |
| 05/19/1999 | EP0917231A2 Dielectric filter, dielectric duplexer, and communication device |
| 05/19/1999 | EP0916632A2 Low temperature coefficient dielectric material comprising binary calcium niobate and calcium tantalate oxides |
| 05/19/1999 | EP0916631A1 Microwave dielectric porcelain composition |
| 05/18/1999 | US5905419 Temperature compensation structure for resonator cavity |
| 05/14/1999 | WO1999022564A2 Dielectric filter and method for adjusting bandpass characteristics of same |
| 05/14/1999 | WO1999010948B1 Improved dielectric mounting system |
| 05/12/1999 | EP0915528A2 High frequency filter and frequency characteristics regulation method therefor |
| 05/11/1999 | US5903820 Radio communications transceiver with integrated filter, antenna switch, directional coupler and active components |
| 05/11/1999 | CA2160186C Electromagnetic resonator |
| 05/06/1999 | WO1999022417A1 Duplexer with stepped impedance resonators |
| 05/06/1999 | DE19747847A1 Temperature compensation device for waveguide element |
| 05/04/1999 | US5900390 Single crystal ferroelectric rod whose permittivity is dependent on the electric field in which it is immersed. |
| 04/28/1999 | EP0911905A1 Ring resonator |
| 04/28/1999 | EP0910875A1 Ceramic filter with a coplanar shield |
| 04/28/1999 | CN1215233A Antenna diplexer |
| 04/27/1999 | US5898909 Ultra high frequency radio communication apparatus |
| 04/27/1999 | US5898349 Dielectric filter having a plurality of TM multi-mode dielectric resonators |
| 04/22/1999 | WO1999019933A1 Composite resonator |
| 04/21/1999 | EP0910132A2 Auto-acceleration system for prime mover of hydraulic construction machine and construction machine and control system for prime mover and hydraulic pump |
| 04/21/1999 | CN1214556A High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device |
| 04/20/1999 | US5895775 Microwave grating for dispersive delay lines having non-resonant stubs spaced along a transmission line |
| 04/14/1999 | EP0907982A2 Integrated filter |
| 04/14/1999 | CN2314478Y Microwave sulphur lamp |
| 04/14/1999 | CN1213899A 振荡器 Oscillator |
| 04/13/1999 | US5894252 Laminated ceramic electronic component with a quadrangular inner conductor and a method for manufacturing the same |
| 04/08/1999 | WO1999017394A1 Multi surface coupled coaxial resonator |
| 04/06/1999 | US5892415 Laminated resonator and laminated band pass filter using same |
| 03/30/1999 | US5889448 Resonator mounting mechanism |
| 03/30/1999 | CA2150657C Dual mode cavity for waveguide bandpass filters |
| 03/24/1999 | EP0902989A1 Plastic resonator support and resonator tuning assembly |
| 03/23/1999 | US5886593 Dielectric resonator device |
| 03/17/1999 | EP0902497A2 Resonator with adjustable resonance frequency |
| 03/16/1999 | US5883554 Coaxial resonator having coupling electrodes and dielectric filter formed therefrom using the same |
| 03/11/1999 | WO1999012225A1 Multimodal dielectric resonance device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication apparatus |
| 03/11/1999 | WO1999012224A1 Multi-mode dielectric resonance devices, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication equipment |
| 03/10/1999 | EP0900453A1 Resonators for high power high temperature superconducting devices |
| 03/09/1999 | US5880656 Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated |
| 03/09/1999 | US5880650 Dielectric resonator for a microwave filter, and a filter including such a resonator |
| 03/04/1999 | WO1999010948A1 Improved dielectric mounting system |
| 03/04/1999 | WO1998054783A3 Filter tuning device and tuning plate including a number of such devices |
| 03/03/1999 | EP0899808A2 Dual mode cavity resonator with coupling grooves |
| 03/02/1999 | US5878333 Tuner with coaxial resonator trimmer |
| 02/28/1999 | CA2354251A1 Coupling mechanism for te011 and te01.delta. mode resonators |
| 02/23/1999 | US5874922 Antenna |
| 02/23/1999 | US5874872 Filter |
| 02/23/1999 | US5874871 Mounting of dielectric resonators |
| 02/23/1999 | US5874870 Dielectric resonator device with an opening covered by a printed circuit board and a conductive plate contacting the printed circuit board |
| 02/23/1999 | US5874867 Waveguide hybrid junction |
| 02/17/1999 | EP0896744A1 Dual mode microwave band pass filter made of high quality resonators |
| 02/16/1999 | US5872428 Cavity coupling means rotatable in response to linear movement of an actuator |
| 02/02/1999 | US5867126 Surface-mount-type antenna and communication equipment using same |
| 02/02/1999 | US5867120 Transmitter-receiver |
| 02/02/1999 | US5867076 Dielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portion |
| 02/02/1999 | US5867069 Orthogonally mounted substrate based resonators |
| 01/26/1999 | US5864263 Dielectric filter with protective film covering the edges of the input/output electrodes and external electrode |