Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
02/2005
02/02/2005CN1574450A Apparatus and method to introduce signals into a shielded RF circuit
02/02/2005CN1187865C Multiplayer microwave coupler using vertically-connected stripline
02/01/2005US6850878 System and method for determining the required decoupling capacitors for a power distribution system using an improved capacitor model
02/01/2005US6850132 S/N enhancer
02/01/2005US6850128 Electromagnetic coupling
01/2005
01/27/2005WO2005008903A2 A power line communication system and method of operating the same
01/27/2005WO2005008902A2 A power line communication system and method of operating the same
01/27/2005WO2005008694A1 Compact impedance transformation circuit
01/27/2005US20050017907 Connections and feeds for broadband antennas
01/27/2005US20050017822 Variable power divider
01/27/2005US20050017821 Directional coupler
01/27/2005US20050017818 Millimeter-wave signal transmission device
01/27/2005US20050017816 Resonant impedance matching in microwave and RF device
01/26/2005EP1501152A1 Millimeter-wave signal transition device
01/26/2005EP1500160A1 Waveguide communication system
01/25/2005US6847276 Radio frequency circuit module on multi-layer substrate
01/25/2005US6847268 Wide-band circuit for splitting or joining radio-frequency powers
01/20/2005US20050012676 N-port signal divider/combiner
01/20/2005US20050012564 Co-planar constant-attenuation phase modifier
01/19/2005EP1498982A1 A dielectric substrate single layer planar dipole antenna
01/19/2005CN2672961Y High frequency connection or high frequency distribution network
01/19/2005CN1567648A Multidielectric broadside coupler
01/19/2005CN1185756C Dielectric line converter, dielectric line unit, directional coupler, high-frequency circuit module
01/19/2005CN1185755C Non-reciprocal circuit element and communication device
01/19/2005CN1185751C Dielectric filter, diplexer and communication equipment including them
01/18/2005US6844792 Single ended tuning of a differential power amplifier output
01/13/2005WO2005004275A1 High-frequency module
01/13/2005US20050007291 System and method for impedance matching an antenna to sub-bands in a communication band
01/13/2005US20050007211 Apparatus and method for in-process high power variable power division
01/13/2005US20050005853 Device for the coating of objects
01/12/2005EP1496563A2 Circuit board bonded to ground, "T" branching circuit, waveguide-microstrip transition
01/12/2005EP1495514A2 Spiral couplers
01/12/2005EP1495513A1 Electric four-wire network with a transformation line
01/12/2005EP1495512A1 Embedded planar circulator and a method for fabricating the same
01/12/2005EP1495482A2 Complex microdevices and appparatus and methods for fabricating such devices
01/12/2005CN1184721C 天线装置 The antenna device
01/11/2005US6842631 Reduced-layer isolated planar beamformer
01/11/2005US6842093 Radio frequency circuit module on multi-layer substrate
01/11/2005US6842084 Transition from a coaxial transmission line to a printed circuit transmission line
01/06/2005WO2005001996A2 Coupler having an uncoupled section
01/06/2005US20050001695 Microstrip coupler
01/06/2005US20050001694 Power line communication system and method of operating the same
01/05/2005EP1494309A1 Apparatus for signal transitioning from a device to a waveguide
01/04/2005US6838958 Rotary signal coupler
01/04/2005US6838955 Data processing device
01/04/2005US6838954 High efficiency quarter-wave transformer
12/2004
12/30/2004US20040268271 High data rate differential signal line design for uniform characteristic impedance for high performance integrated circuit packages
12/30/2004US20040264835 Optical module and optical transmission apparatus
12/30/2004US20040263411 System and method for dual-band antenna matching
12/30/2004US20040263283 Miniature LTCC 2-way power splitter
12/30/2004US20040263281 Coupler having an uncoupled section
12/30/2004US20040263280 Microstrip-waveguide transition
12/30/2004US20040263279 Coupling device for facilitating communications between a physical line and a wireless terminal
12/30/2004US20040263277 Apparatus for signal transitioning from a device to a waveguide
12/30/2004US20040261717 Matching device and plasma processing apparatus
12/30/2004DE10345218B3 Coplanar end connection for coaxial cable has central tapering conductor for solid circular-cross-section inner conductor and two tapering outer conductors connected to square terminal on cable sheath
12/29/2004WO2004114731A2 Emi absorbing shielding for a printed circuit board
12/29/2004WO2004114454A1 High-frequency module
12/29/2004EP1492192A1 Coupler
12/29/2004EP1490978A1 Method and apparatus for combining two ac waveforms
12/29/2004EP1490924A1 Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
12/29/2004CN1182623C Power divider and power combiner
12/23/2004WO2004075334A3 Microwave coupler
12/23/2004US20040257178 High frequency transmission line and high frequency board
12/23/2004US20040257168 Coupling device
12/21/2004US6833820 Tunable monopole antenna
12/21/2004US6833775 Microwave circuit
12/21/2004US6833772 RF switch using conductive fluid
12/16/2004WO2004109922A2 Compact electromagnetic coupler for use with digital transmission systems
12/16/2004WO2004109843A1 Power distribution and combination circuit
12/16/2004US20040252071 Multiband dual polarized adjustable beamtilt base station antenna
12/15/2004EP1485966A2 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
12/15/2004EP1485932A1 Magnetron arrangements
12/15/2004CN1555592A Surface mounted broadside directional coupler
12/15/2004CN1180529C Mixed and converter using the same mixer
12/15/2004CN1180510C Dielectric filter, dielectric antenna shared device and communication device
12/14/2004US6832029 Impedance control devices for use in the transition regions of electromagnetic and optical circuitry and methods for using the same
12/14/2004US6831616 Transmission line balun with parasitic mode termination
12/09/2004US20040246070 Arrangement and method for combining electric signals
12/09/2004US20040246066 Transmission line balun with parasitic mode termination
12/09/2004US20040246065 Three dimensional multimode and optical coupling devices
12/09/2004US20040246055 Multicell amplifier & power divider/combiner employable in same
12/09/2004US20040244693 Electromagnetic field supply apparatus and plasma processing device
12/08/2004CN1554135A 定向耦合器 The directional coupler
12/08/2004CN1553725A Realizing apparatus for space multi-wave beam feed network
12/08/2004CN1179445C Four port hybrid
12/08/2004CN1179444C Nonradiation circuit switching with mixed media and apparatus therewith
12/07/2004US6829749 Design support apparatus for circuit including directional coupler, design support tool, method of designing circuit, and circuit board
12/07/2004US6828881 Stacked dielectric filter
12/07/2004US6828875 Compact slotted-waveguide spatial power divider/combiner/amplifier
12/02/2004WO2004105239A2 Efficient coupler detector circuit with reduced harmonic distortion
12/02/2004US20040239454 Apparatus and method to introduce signals into a shielded RF circuit
12/02/2004US20040239444 Adjustable antenna feed network with integrated phase shifter
12/02/2004US20040239441 Low-loss coupler
12/02/2004US20040239438 Compact electromagnetic coupler for use with digital transmission systems
12/02/2004US20040239437 Reflection loss suppression circuit
12/02/2004DE10328333A1 Balun used between symmetrical and unsymmetrical circuits has line section with 2 conductors providing unsymmetrical input at one end and coupled to symmetrical output via impedance network
12/02/2004DE10215762B4 Antennenvorrichtung The antenna device
12/01/2004EP1177594B1 Vertical interconnect between coaxial and rectangular coaxial transmission line via compressible center conductors
12/01/2004EP1166386B1 Vertical interconnect between an airline and an RF circuit via compressible conductor
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