Patents for H01P 7 - Resonators of the waveguide type (6,314)
11/2003
11/11/2003US6643924 Method of manufacturing a distributed constant filter circuit module
11/11/2003CA2281448C High frequency low loss electrode
11/05/2003CN1454401A A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different seizes of spacers
11/05/2003CN1453204A Establishment of great signal equivalent circuit macro mold for microelectronic machine system and device
11/04/2003US6642882 Mixer, radar module, and communication apparatus incorporating the same
11/04/2003US6642818 Loop coupled microwave cavity
11/04/2003US6642817 Dielectric filter, dielectric duplexer, and communication device
11/04/2003US6642815 Dielectric resonator filter
10/2003
10/29/2003EP1356710A2 Microwave-assisted chemical synthesis instrument with fixed tuning
10/29/2003CN1452798A Subminiature microwave cavity
10/29/2003CN1452407A Low-noise frequency changer using for satellite roadcast receiving system and in receiver unit
10/29/2003CN1452313A Dielectric resonator device, HF filter and HF oscillator
10/29/2003CN1452267A HF filter
10/29/2003CN1126194C Dielectric resonant aerial and mobile radio telephone, receiver and transmitter therewith
10/29/2003CN1125792C Microwave dielectric ceramic and its preparing process
10/28/2003US6639491 Tunable ferro-electric multiplexer
10/23/2003WO2003088411A1 Tuneable dielectric resonator
10/23/2003WO2003088408A1 Evanescent resonators
10/23/2003WO2003087903A1 Arrangement for the targeted excitation of defect resonances in two and three-dimensional photonic crystals
10/23/2003US20030197579 High-frequency filter
10/22/2003EP1355373A1 Dielectric resonator with planar dielectric transmission line, and filter and oscillator using the same
10/22/2003CN1125532C Oscillstor and regulating mexhod for oscillator property
10/16/2003US20030194985 Low noise converter employed in satellite broadcast reception system and receiver apparatus
10/16/2003US20030193378 Resonator of radio-frequency filter
10/15/2003EP1353398A2 Resonator of radio-frequency filter
10/15/2003CN1449568A Bismuth pyrochlore microwave dielectric materials
10/14/2003US6633207 Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom
10/09/2003US20030189469 Evanescent resonators
10/08/2003CN1446773A Dielectric ceramic compsn. and dielectric resonator
10/07/2003US6630875 Dual-mode band-pass filter
10/07/2003US6630652 The method includes the steps of adding steps of adding reagents to a pressure-resistant microwave-transparent vessel, securing the vessel against pressure release with a penetrable septum made of a material that can be penetrated by
10/02/2003WO2003080535A1 Microwave dielectric ceramic composition, method of manufacture thereof and devices comprising the same
10/02/2003US20030184414 Dielectric filter having increased bandwidth
10/02/2003US20030184402 High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same
10/01/2003EP1349232A2 Microwave resonator
10/01/2003EP1348680A2 Dielectric ceramic composition and resonator
10/01/2003CN1445881A Dielectric resonator, dielectric filter, duplexer and communication device
10/01/2003CN1123085C Dielectric resonator device
09/2003
09/25/2003WO2003079482A2 Tunable superconductor resonator or filter
09/25/2003US20030179054 Radio frequency resonator and method for producing the same
09/25/2003DE10029407C2 Dämpfungsglied für eine dielektrische Übertragungsleitung, Abschlußglied für eine dielektrische und Drahtloskommunikationsvorrichtung Attenuator for a dielectric transmission line terminator for a dielectric and wireless communication device
09/24/2003EP1346433A1 Arrangement with adjustable capacitance and method for production thereof
09/24/2003CN1122328C Dielectric resonator apparatus and high frequency module
09/24/2003CN1122327C Thin film multilayer electrode of high frequency electromagnetic field coupling
09/23/2003US6624727 Resonator, filter, duplexer, and communication device
09/23/2003US6624692 Radio frequency amplifier with a waveguide filter for isolating amplifying elements
09/18/2003WO2003041117A3 Integrated semiconductor component for conducting high-frequency measurements and the use thereof
09/17/2003CN1121734C Dielectric resonator, method of producing dielectric resonator and application in communication device
09/17/2003CN1121733C High frequency module
09/17/2003CN1121732C Dielectric filter and dielectric duplexer
09/16/2003US6621382 Noise filter and high frequency transmitter using noise filter
09/16/2003US6621381 TEM-mode dielectric resonator and bandpass filter using the resonator
09/12/2003WO2003075392A1 Resonator and filter
09/11/2003US20030169131 Method of manufacturing inner conductor of resonator, and inner conductor of resonator
09/10/2003CN1441879A Tuning screw assembly
09/10/2003CN1441512A High frequency circuit device and transmit-receiving device
09/10/2003CN1440949A High frequency dielectric ceramic member, dielectric resonator, dielectric filter, dielectric duplexer, and communication device
09/10/2003CN1121080C Temperature compensation structure for resonator cavity
09/09/2003US6617945 Filter with an electrically tunable resonator
09/09/2003US6617062 Strain-relieved tunable dielectric thin films
09/04/2003US20030164746 High-frequency dielectric ceramic member, dielectric resonator, dielectric filter, dielectric duplexer, and communication device
09/03/2003EP1243070B1 Dielectric resonator oscillator and voice control device
09/03/2003EP1078413B1 Hts filters with self-resonant spiral resonators
09/03/2003CN1120543C Resonator and high-frequency circuit element using the same
09/03/2003CN1120542C Planar dielectric line and integrated circuit using the same
09/03/2003CN1120540C Dielectric resonator, dielectric filter, duplexer and communication device
09/02/2003US6614331 Method of manufacturing inner conductor of resonator, and inner conductor of resonator
09/02/2003US6614327 Filter apparatus, duplexer, and communication apparatus
09/02/2003US6613705 Barium-neodymium-samarium-titanium oxide; liquid crystal filters, multilayer capacitors
08/2003
08/28/2003US20030161121 Trimming of embedded structures
08/28/2003US20030160667 Dual mode band-pass filter
08/27/2003EP1339130A2 High-frequency circuit device and transmitter/receiver including the same
08/27/2003CN1438732A Electric Medium resonator, electric medium wave filter, electric medium diplexer and communication device
08/21/2003WO2003069726A1 Screw fixing device, high frequency equipment using the fixing device, and method of adjusting the characteristics of the high frequency equipment
08/21/2003WO2003069725A1 Device and method for the frequency adjustment of a high frequency circuit
08/20/2003EP1337001A1 Device for contactless transmission of electrical signals and /or energy
08/20/2003EP1336219A2 A dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
08/19/2003US6608537 Band-pass filter
08/19/2003CA2302588C Multimode dielectric resonator device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication device
08/19/2003CA2292064C Line transition device between dielectric waveguide and waveguide, and oscillator and transmitter using the same
08/14/2003US20030151475 Dielectric resonator device, dielectric filter, dielectric duplexer, and communication apparatus
08/14/2003US20030151474 Dielectric resonator, dielectric filter, dielectric duplexer, and communication device
08/14/2003US20030151473 Dielectric loaded cavity for high frequency filters
08/14/2003US20030151472 TEM dual-mode rectangular dielectric waveguide bandpass filter
08/14/2003US20030151466 Elliptical resonators and radio frequency filter formed therefrom
08/13/2003EP1335447A1 Dielectric resonator device, dielectric filter, dielectric duplexer, and communication apparatus
08/13/2003EP1334536A2 Folded cavity-backed slot antenna
08/13/2003CN1118109C Multilayer thin film electrode, HF transmission line, HF resonator and HF filter
08/13/2003CN1117707C Low temp. sinterable and low loss dielectric ceramic composition and method for preparing same
08/12/2003US6605949 Quasi-hemispherical fabry-perot resonator and method of operating the same
08/07/2003WO2003065061A1 Apparatus and method for improving microwave coupling to a resonant cavity
08/06/2003CN1434988A Fractal and space-filling transmission lines, resonators filters and passive network elements
08/05/2003US6603375 High Q couplings of dielectric resonators to microstrip line
08/05/2003US6602622 Combination of: an ceramic oxide substrate comprising Ba; and a Bi-2223 phase film containing a Bi-Sr-Ca-Cu-O phase further comprising Ba; dielectric resonator which has a high no-load Q factor at a high frequency
08/05/2003CA2305854C Transmission line, resonator, filter, duplexer, and communication apparatus
08/05/2003CA2257754C Band elimination dielectric filter, dielectric duplexer and communication device using the same
07/2003
07/31/2003WO2003063237A1 Substrate for high-frequency module and high-frequency module
07/30/2003EP1330849A1 Coupling arrangement for a cavity filter, method for manufacturing a loop therefor and a cavity filter
07/30/2003CN1433582A Tunable high temperature superconducting filter
07/30/2003CN1433105A Antenna unit
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