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