Patent International Class: H01P 7/4
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Tuning element and tunable resonator
Inventor: Narhi | Patent Number: 8149074
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Coaxial resonator including a metallized area with interdigitated fingers
Inventor: Burgess, et al. | Patent Number: 7830229
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Variable radio frequency band filter
Inventor: Park, et al. | Patent Number: 7825753
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High frequency filter with blocking circuit coupling
Inventor: Weitzenberger | Patent Number: 7777593
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Gyromagnetic precession oscillator
Inventor: Scott, et al. | Patent Number: 7724098
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Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling
Inventor: Vangala, et al. | Patent Number: 7714680
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Built-in cross-coupled dielectric filter
Inventor: Zhao | Patent Number: 7612637
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Re-entrant resonant cavities, filters including such cavities and method of manufacture
Inventor: Hesselbarth | Patent Number: 7570136
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Thermal expansion compensation assemblies
Inventor: Engel, et al. | Patent Number: 7564327
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Dielectric device
Inventor: Takubo, et al. | Patent Number: 7561011
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Temperature compensating tunable cavity filter
Inventor: D'Ostilio | Patent Number: 7463121
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Variable radio frequency band filter
Inventor: Park, et al. | Patent Number: 7449981
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Electromechanical filter
Inventor: Nakanishi, et al. | Patent Number: 7439823
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Semi-coaxial cavity resonator, filter using the same, and communication apparatus using the same
Inventor: Kubo, et al. | Patent Number: 7400221
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Constant contact pressure PIM interface
Inventor: Kich | Patent Number: 7358835
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Band agile filter
Inventor: Blair, et al. | Patent Number: 7327210
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Miniaturized detection coil former for NMR spectroscopy
Inventor: Martin | Patent Number: 7327143
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Dielectric resonator having a non-uniform effective dielectric permittivity along an axis of tuner displacement
Inventor: Jedrzejewski, et al. | Patent Number: 7271687
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Ceramic loaded temperature compensating tunable cavity filter
Inventor: D'Ostilio | Patent Number: 7224248
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Microstrip coil design for MRI apparatus
Inventor: Ludwig, et al. | Patent Number: 7202668
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RF cavity resonator with low passive inter-modulation tuning element
Inventor: Patel, et al. | Patent Number: 7078990
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Waveguide in multilayer structures and resonator formed therefrom
Inventor: Salmela, et al. | Patent Number: 7053735
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High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication device
Inventor: Kono, et al. | Patent Number: 6940371
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High-frequency circuit device, resonator, filter, duplexer, and high-frequency circuit apparatus
Inventor: Hidaka, et al. | Patent Number: 6937118
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Radio frequency diplexer
Inventor: Rathgeber, et al. | Patent Number: 6933804
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COMPOSITE DIELECTRIC MATERIAL, COMPOSITE DIELECTRIC SUBSTRATE, PREPREG, COATED METAL FOIL, MOLDED SHEET, COMPOSITE MAGNETIC SUBSTRATE, SUBSTRATE, DOUBLE SIDE METAL FOIL-CLAD SUBSTRATE, FLAME RETARDANT SUBSTRATE, POLYVINYLBENZYL ETHER RESIN COMPOSITION, THERMOSETTIN
Inventor: Takaya, et al. | Patent Number: 6908960
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Dielectric resonator, filter, duplexer and communication device
Inventor: Wakamatsu, et al. | Patent Number: 6903627
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Coaxial resonator, filter, duplexer, and communication device
Inventor: Abe, et al. | Patent Number: 6894587
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Resonator, filter, duplexer, and high-frequency circuit apparatus
Inventor: Hidaka, et al. | Patent Number: 6888426
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Resonator, filter, duplexer, and high-frequency circuit apparatus
Inventor: Hidaka, et al. | Patent Number: 6888426
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Resonator, filter, composite filter, transmitting and receiving apparatus, and communication apparatus
Inventor: Matsui, et al. | Patent Number: 6888425
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Superconductive filter module, superconductive filter assembly and heat insulating type coaxial cable
Inventor: Kai, et al. | Patent Number: 6873864
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Multilayer coaxial structures and resonator formed therefrom
Inventor: Salmela, et al. | Patent Number: 6847274
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Inner conductor for a co-axial gyrotron with axial corrugations which are evenly distributed around the periphery
Inventor: Dumbrajs | Patent Number: 6787998
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Dielectric filter, dielectric duplexer, and communication apparatus
Inventor: Hiroshima, et al. | Patent Number: 6784767
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Dielectric filter, dielectric duplexer, and communication device
Inventor: Hiroshima, et al. | Patent Number: 6771149
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Resonator device, filter, duplexer, and communication apparatus using the same
Inventor: Saito, et al. | Patent Number: 6756865
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Method for attaching resonator part
Inventor: Mikkonen | Patent Number: 6742240
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Dielectric device with partially closed hole
Inventor: Takubo, et al. | Patent Number: 6737943
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Electronically tunable dielectric composite thick films and methods of making same
Inventor: Sengupta | Patent Number: 6737179
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Dielectric device
Inventor: Endou, et al. | Patent Number: 6727784
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Coaxial resonator structure and filter
Inventor: Mikkonen | Patent Number: 6710684
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Coaxial resonator structure and filter
Inventor: Mikkonen | Patent Number: 6710684
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Dielectric resonator devices, dielectric filters and dielectric duplexers
Inventor: Suma, et al. | Patent Number: 6703912
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Microwave filter
Inventor: Mirshekarl-Syahkal, et al. | Patent Number: 6686815
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Dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus incorporating the same
Inventor: Hiroshima, et al. | Patent Number: 6680661
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Dielectric filter
Inventor: Kim, et al. | Patent Number: 6636132
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Filter with an electrically tunable resonator
Inventor: Lotz, et al. | Patent Number: 6617945
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Filter with an electrically tunable resonator
Inventor: Lotz, et al. | Patent Number: 6617945
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Method of manufacturing inner conductor of resonator, and inner conductor of resonator
Inventor: Haapakoski | Patent Number: 6614331
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Method of manufacturing inner conductor of resonator, and inner conductor of resonator
Inventor: Haapakoski | Patent Number: 6614331
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Temperature-compensated rod resonator
Inventor: Pahlman, et al. | Patent Number: 6600393
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Temperature-compensated rod resonator
Inventor: Pahlman, et al. | Patent Number: 6600393
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Coaxial cavity resonator, filter and use of resonator component in a filter
Inventor: Raty | Patent Number: 6593832
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Coaxial cavity resonator, filter and use of resonator component in a filter
Inventor: Raty | Patent Number: 6593832
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Apparatus for improving communication systems
Inventor: Henningsson, et al. | Patent Number: 6580341
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High frequency dielectric ceramic compact, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus
Inventor: Kono, et al. | Patent Number: 6569795
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Dielectric filter
Inventor: Sano, et al. | Patent Number: 6566986
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Dielectric filter
Inventor: Sano, et al. | Patent Number: 6556106
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Dielectric resonator, dielectric filter, dielectric duplexer, and communication device
Inventor: Tada, et al. | Patent Number: 6556101
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Resonator device, filter, composite filter device, duplexer, and communication device
Inventor: Hattori, et al. | Patent Number: 6549092
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Resonator, filter, duplexer, and communication apparatus
Inventor: Ando, et al. | Patent Number: 6518858
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Multimodal dielectric resonance device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication apparatus
Inventor: Hattori, et al. | Patent Number: 6507254
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Method and arrangement for fastening inner conductor of resonator structure
Inventor: Jokilehto, et al. | Patent Number: 6501349
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Method and arrangement for fastening inner conductor of resonator structure
Inventor: Jokilehto, et al. | Patent Number: 6501349
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Coupler for resonant cavity
Inventor: Wulff | Patent Number: 6466111
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Coupler for resonant cavity
Inventor: Wulff | Patent Number: 6466111
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Tapered coaxial resonator and method
Inventor: Wulff, et al. | Patent Number: 6466110
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Tapered coaxial resonator and method
Inventor: Wulff, et al. | Patent Number: 6466110
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Helical and coaxial resonator combination
Inventor: Kivela | Patent Number: 6456175
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Fastener means relating to contact junctions
Inventor: Henningsson, et al. | Patent Number: 6452466
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Fastener means relating to contact junctions
Inventor: Henningsson, et al. | Patent Number: 6452466
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Dielectric filter, a dielectric duplexer, and a communication apparatus
Inventor: Hiroshima, et al. | Patent Number: 6433655
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Oscillation circuits featuring coaxial resonators
Inventor: Nicholls, et al. | Patent Number: 6429748
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High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication system
Inventor: Wada, et al. | Patent Number: 6429164
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Temperature compensated tunable resonant cavity
Inventor: Wulff, et al. | Patent Number: 6407651
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Temperature compensated tunable resonant cavity
Inventor: Wulff, et al. | Patent Number: 6407651
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Dielectric ceramic filter with improved electrical characteristics in high side of filter passband
Inventor: Kitajima, et al. | Patent Number: 6404306
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Coaxial cavity resonator
Inventor: Raty, et al. | Patent Number: 6396366
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Coaxial cavity resonator
Inventor: Raty, et al. | Patent Number: 6396366
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Tuning arrangement for a cavity filter
Inventor: Henningsson, et al. | Patent Number: 6384699
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Tuning arrangement for a cavity filter
Inventor: Henningsson, et al. | Patent Number: 6384699
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Rare-earth ceramic filter
Inventor: Tatekawa, et al. | Patent Number: 6369669
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Duplexer and communication apparatus including the same
Inventor: Atokawa, et al. | Patent Number: 6369668
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Resonator filter
Inventor: Ohtonen | Patent Number: 6366184
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Dielectric resonator tuning device
Inventor: Woods | Patent Number: 6362708
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Easily tunable dielectrically loaded resonators
Inventor: Reinhardt | Patent Number: 6362707
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Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
Inventor: Arakawa, et al. | Patent Number: 6356170
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Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
Inventor: Arakawa, et al. | Patent Number: 6346867
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Sleeve in a radio frequency filter
Inventor: Hult | Patent Number: 6337611
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Cavity filter
Inventor: Henningsson, et al. | Patent Number: 6335668
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Coaxial resonator and oscillation circuits featuring coaxial resonators
Inventor: Nicholls, et al. | Patent Number: 6326854
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High frequency dielectric filter
Inventor: Furuya, et al. | Patent Number: 6320484
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Multi surface coupled coaxial resonator
Inventor: Raty, et al. | Patent Number: 6320483
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Multi surface coupled coaxial resonator
Inventor: Raty, et al. | Patent Number: 6320483
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High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus
Inventor: Wada, et al. | Patent Number: 6304157
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Temperature compensating cavity bandpass filter
Inventor: Kaegebein | Patent Number: 6300850
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Temperature compensating cavity bandpass filter
Inventor: Kaegebein | Patent Number: 6300850
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Dielectric filter and RF apparatus employing thereof
Inventor: Matsuo, et al. | Patent Number: 6294969
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Dielectric filter and process for producing same
Inventor: Ito, et al. | Patent Number: 6294968