Patents for H01P 5 - Coupling devices of the waveguide type (11,303) |
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12/01/2004 | CN1551656A Matching circuit and laminated duplexer with the matching circuit |
12/01/2004 | CN1551252A 互感应电路 Mutual induction circuit |
11/30/2004 | US6825818 Tunable matching circuit |
11/30/2004 | US6825743 Substrate enhancement for improved signal characteristics on a discontinuous transmission line |
11/30/2004 | US6825738 Reduced size microwave directional coupler |
11/30/2004 | US6825737 Device for broadband electrical signal transmission using a bi-directional transmission system |
11/25/2004 | WO2004102729A1 Symmetrizing arrangement |
11/25/2004 | WO2004102725A2 Nrd guide converter and connected structure of dielectric and conductor |
11/25/2004 | US20040233014 Directional coupler in coplanar waveguide technology |
11/24/2004 | CN1550035A Electromagnetic field supply apparatus and plasma processing device |
11/24/2004 | CN1549625A Coupling two-way signal amplifier |
11/24/2004 | CN1549388A Waveguide internal solid push-pull amplifier power synthesizer based on fin line balun structure |
11/24/2004 | CN1177389C Dielectric filter, dielectric diplexer and communication apparatus |
11/23/2004 | US6822618 Folded dipole antenna, coaxial to microstrip transition, and retaining element |
11/23/2004 | US6822533 Ferrite variable power divider |
11/23/2004 | US6822532 Suspended-stripline hybrid coupler |
11/23/2004 | US6822531 Switched-frequency power dividers/combiners |
11/23/2004 | US6822528 Transmission line to waveguide transition including antenna patch and ground ring |
11/18/2004 | US20040227608 Mutual induction circuit |
11/18/2004 | US20040227584 Matching circuit and laminated duplexer with the matching circuit |
11/18/2004 | US20040227502 Efficient coupler detector circuit with reduced harmonic distortion |
11/17/2004 | EP1478045A1 Mutual induction circuit |
11/17/2004 | EP1476916A1 Device for directing energy, and a method of making same |
11/17/2004 | EP1476915A1 Hollow waveguide directional coupler |
11/17/2004 | EP1476912A1 Switchable combiner and integrated combining apparatus for using it |
11/17/2004 | CN1547788A Adjustable antenna feed network with integrated phase shifter |
11/16/2004 | US6819202 Power splitter having counter rotating circuit lines |
11/16/2004 | US6819199 Balun transformer with means for reducing a physical dimension thereof |
11/16/2004 | US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator |
11/11/2004 | WO2004097974A1 An improved directional coupler |
11/11/2004 | WO2004097973A1 An improved directional coupler |
11/11/2004 | WO2003050852A3 Complex microdevices and appparatus and methods for fabricating such devices |
11/11/2004 | US20040223306 AC coupling circuit having a large capacitance and a good frequency response |
11/11/2004 | US20040222925 Inverted-F ferroelectric antenna |
11/11/2004 | US20040222867 Broadband non-directional tap coupler |
11/10/2004 | EP1474842A1 Waveguide to microstrip transition |
11/10/2004 | EP1076935B1 Double-balanced monolithic microwave integrated circuit mixer |
11/10/2004 | CN1545614A Apparatus for transmitting radio-frequency signals |
11/10/2004 | CN1175516C Balance to unbalance converting circuit |
11/09/2004 | US6816714 Antenna interface unit |
11/09/2004 | US6816030 Impedance matching circuit for rejecting an image signal via a microstrip structure |
11/09/2004 | US6816028 Multilayer substrate and satellite broadcast reception apparatus |
11/04/2004 | WO2004095624A1 High frequency circuit |
11/04/2004 | WO2004094314A2 Conductor-within-a-via microwave launch |
11/04/2004 | WO2004077606A3 Earphone antenna, composite coil used therefor, coaxial cable, and radio device with the earphone antenna |
11/04/2004 | US20040217824 Multilayer balun with high process tolerance |
11/04/2004 | US20040217823 Compact broadband balun |
11/04/2004 | US20040217817 Low noise balanced amplifier |
11/04/2004 | DE10316047A1 Directional coupler in coplanar waveguide technology for measuring applications, has spacing between two internal conductors exponentially increasing at coupling path along longitudinal direction |
11/03/2004 | EP1473796A2 Dielectric waveguide |
11/03/2004 | CN2653713Y Oriented coupling |
11/03/2004 | CN1174520C Multilayer chip directional coupler |
11/03/2004 | CN1173671C 微波加热器 Microwave heater |
11/02/2004 | CA2362965C Vertical interconnect between coaxial and rectangular coaxial transmission line via compressible center conductors |
10/27/2004 | EP1471614A2 TO-CAN type optical module |
10/27/2004 | EP1470609A1 Solid state transmitter circuit |
10/27/2004 | CN1173431C Multi-layer inductor-capacitor resonance type converter from balance to unbalance |
10/26/2004 | US6809610 Balancing network |
10/21/2004 | WO2004091036A1 Passive component |
10/21/2004 | WO2004075334A9 Microwave coupler |
10/21/2004 | US20040207482 Spiral couplers |
10/20/2004 | CN1539155A Device for coating of objects |
10/20/2004 | CN1172406C Solid-state power synthesizer in waveguide |
10/19/2004 | US6806558 Integrated segmented and interdigitated broadside- and edge-coupled transmission lines |
10/14/2004 | US20040203390 Dedicated short-range communication on-vehicle apparatus |
10/14/2004 | US20040202432 TO-CAN type optical module |
10/13/2004 | EP1467430A1 High frequency transmission line and high frequency board |
10/13/2004 | CN1171353C Multi-frequency band antenna |
10/12/2004 | US6804828 Tap device of cable broadcasting system |
10/12/2004 | US6804500 High frequency circuit using high output amplifier cell block and low output amplifier cell block |
10/12/2004 | US6803838 Wideband 180 microwave phase switch |
10/12/2004 | US6803837 Power splitter/combiner circuit, high power amplifier and balun circuit |
10/12/2004 | US6803835 Integrated filter balun |
10/07/2004 | US20040198075 Signal repeating device |
10/07/2004 | US20040196122 Conductor-within-a-via microwave launch |
10/07/2004 | US20040196121 Band switchable filter |
10/07/2004 | US20040196115 Variable coupling factor Directional Coupler |
10/07/2004 | DE10350346A1 Hochfrequenzleitungs-Wellenleiter-Konverter und Hochfrequenzpaket High-frequency line-waveguide converter and high frequency package |
10/07/2004 | DE10311041A1 Hochfrequenz-Verbindung bzw. Hochfrequenz-Verteilnetzwerk High-frequency connection or radio frequency distribution network |
10/06/2004 | CN1534826A Multi-layer substrate for low-noise frequency changer |
10/06/2004 | CN1534824A Wave guide filter |
10/06/2004 | CN1534698A Distribution capacitor in high density application |
10/05/2004 | US6801101 Dielectric filter, dielectric duplexer, and communication apparatus |
09/30/2004 | WO2004084339A1 Balun |
09/30/2004 | WO2004084337A1 Waveguide frequency-band/polarization splitter |
09/30/2004 | US20040189531 Multi-layer substrate for low noise block down converter |
09/30/2004 | US20040189421 Method and system for generation and homodyne detection |
09/30/2004 | US20040189419 Compact balun for rejecting common mode electromagnetic fields |
09/30/2004 | US20040189409 Method system for generation and homodyne detection |
09/29/2004 | EP1461842A1 Microstrip to circular waveguide transition |
09/29/2004 | EP1461576A2 Isolating signal divider/combiner and method of combining signals of first and second frequencies |
09/29/2004 | CN1533623A Inverted coplanar waveguide coupler with integrated microstrip connection ports |
09/29/2004 | CN1169315C Divesity receiver |
09/29/2004 | CN1169308C Antenna device |
09/28/2004 | US6798386 System with multiple source antennas integrated with a low-noise frequency converter |
09/28/2004 | US6798319 High-frequency filter |
09/28/2004 | US6798314 Transmit/receive combiner using shunt admittance elements for isolation |
09/23/2004 | WO2004082138A1 Matching circuit |
09/23/2004 | WO2004082080A1 Connection structure for coaxial connector and multilayer substrate |
09/23/2004 | WO2004082064A1 Impedance matching circuit, and semiconductor element and radio communication device using the same |