Patents for H01P 1 - Auxiliary devices (25,484)
03/2005
03/29/2005US6873222 Modified conductor loaded cavity resonator with improved spurious performance
03/29/2005US6873220 Method and apparatus for receiving linear polarization signal and circular polarization signal
03/29/2005US6873119 Non-rotating electrodeless high-intensity discharge lamp system using circularly polarized microwaves
03/29/2005US6872962 Radio frequency (RF) filter within multilayered low temperature co-fired ceramic (LTCC) substrate
03/29/2005CA2356139C A side-coupled microwave filter with circumferentially-spaced irises
03/24/2005WO2005027611A1 Fractal structure body, fractal structure assembly and production methods and applications for them
03/24/2005WO2005027257A1 Variable capacitance element
03/24/2005WO2005027256A1 Motor with cables or waveguide through to the shaft
03/24/2005WO2004094314A3 Conductor-within-a-via microwave launch
03/24/2005WO2004073165A3 Electronically tunable block filter with tunable transmission zeros
03/24/2005WO2004066488A3 High power switchable power combiner
03/24/2005US20050064823 System and device for transmission using ultrawide band pass filter
03/24/2005US20050062561 Phase change control devices and circuits for guiding electromagnetic waves employing phase change control devices
03/23/2005EP1517441A2 Ultra-high-frequency notch filter
03/23/2005EP1517394A1 Method and device for setting a filter
03/23/2005EP0978151B1 Device for frequency selective suppression of high frequency signals
03/23/2005CN1599864A Radar antenna
03/23/2005CN1599127A Method for manufacturing seamless microstress waveguide interface
03/22/2005US6870449 High-frequency transmission line
03/17/2005US20050059998 Ultra-high-frequency notch filter
03/17/2005US20050057429 Multiband/multichannel wireless feeder approach
03/17/2005US20050057414 Reconfigurable radiation desensitivity bracket systems and methods
03/17/2005US20050057328 Quick Turn-Lock Waveguide Transition Assembly
03/17/2005US20050057322 Apparatus and method for combining electrical signals
03/17/2005US20050057321 Distributed interconnect
03/17/2005US20050056860 High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment
03/16/2005EP1515451A1 System and device for transmission using ultrawide band pass filter
03/16/2005EP1515450A1 Antenna switching circuit
03/16/2005EP1515390A1 Quadrature hybrid circuit
03/16/2005EP1514285A1 Electronic device and method of matching the impedance thereof
03/16/2005EP1485966A4 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
03/16/2005EP1142062B1 Multi-frequency antenna feed
03/16/2005CN1595815A Method for developing business information and service by using communication transition frequency band and obsolete frequency band
03/16/2005CN1595813A System and device for transmission using ultrawide band pass filter
03/16/2005CN1595797A Ultra-high-frequency notch filter
03/16/2005CN1193459C Non-reciprocal circuit unit and communicator using said unit
03/16/2005CN1193458C Temp-compensated rod type resonator
03/16/2005CN1193457C Transmission line waveguide frequency changer, microwave receiving frequency changer and satellite broadcasting receiving antenna
03/16/2005CN1193427C Semiconductive compound switch circuit devices
03/15/2005US6867982 High frequency component and communication apparatus incorporating the same
03/15/2005US6867744 Tunable horn antenna
03/15/2005US6867669 Apparatus and method to form ground connections
03/15/2005US6867666 Variable filter using fluid dielectric
03/15/2005US6867665 Filters implemented in integrated circuits
03/15/2005US6867664 Ferrite-filled, antisymmetrically-biased rectangular waveguide phase shifter
03/15/2005US6867663 Dielectric duplexer
03/15/2005US6867662 High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method
03/15/2005US6867661 Millimeter wave module having probe pad structure and millimeter wave system using plurality of millimeter wave modules
03/15/2005US6867467 Capacitive micro-electro-mechanical switch and method of manufacturing the same
03/15/2005US6867401 Waveguide foreign object damage prevention window
03/15/2005CA2374131C Multi-bit phase shifters using mem rf switches
03/12/2005CA2457252A1 Ultra-high-frequency notch filter
03/10/2005WO2005022601A2 Improved phase shifter with commonly driven phase shifters
03/10/2005WO2005022221A1 Electromagnetic wave frequency filter
03/10/2005US20050052821 Variable capacitance element
03/10/2005US20050052262 Multi-layer band-pass filter
03/10/2005US20050052260 Controlling a phase delay line by adding and removing a fluidic dielectric
03/10/2005US20050052259 Quadrature hybrid circuit
03/10/2005US20050052256 Two-port isolator, characteristic adjusting method therefor, and communication apparatus
03/10/2005CA2537265A1 Improved phase shifter and commonly driven phase shifters
03/09/2005EP1513217A1 Multi-layer band-pass filter
03/09/2005EP1512195A2 Antenna control unit and phased-array antenna
03/09/2005EP1512157A1 Decoupling module for decoupling high-frequency signals from a power supply line
03/09/2005EP1476912A4 Switchable combiner and integrated combining apparatus for using it
03/09/2005CN2684470Y Improved satellite frequency demultiplier
03/09/2005CN2684390Y Low loss high selectivity high power multi-cavity filter
03/09/2005CN2684389Y Ultra high frequency joint-body multi-cavity patch filter
03/09/2005CN1592985A Electrically tunable bandpass filters
03/09/2005CN1591968A Method for forming RF ceramic block filters
03/09/2005CN1591966A Two-port isolator, characteristic adjusting method therefor, and communication apparatus
03/09/2005CN1591965A Multi-layer band-pass filter
03/09/2005CN1192660C Multiband HF switch
03/09/2005CN1192451C 天线开关 Antenna Switch
03/08/2005US6864840 Serially-fed phased array antennas with dielectric phase shifters
03/08/2005US6864763 Tunable coupling iris and method
03/08/2005US6864762 Bandpass filter and apparatus using same
03/08/2005US6864759 Rotary signal coupler
03/03/2005WO2005020366A1 Variable radio frequency band filter
03/03/2005WO2004102730A3 Mounting mechanism for high performance dielectric resonator circuits
03/03/2005US20050048927 Switch circuit and composite high-frequency part
03/03/2005US20050046523 Tunable photonic band gap structures for microwave signals
03/03/2005US20050046522 Variable filter using fluid dielectric
03/03/2005US20050046514 Wiper-type phase shifter with cantilever shoe and dual-polarization antenna with commonly driven phase shifters
03/03/2005DE19532470B4 Selektiver Multikoppler Selective Multicoupler
03/02/2005EP1509965A1 Filter assembly
03/02/2005CN1588692A Method for producing high power super conductive filter
03/02/2005CN1588604A Micro mechanical switch for regulating resonance frequency using spiral coil inductive structure
03/02/2005CN1588602A Single-pole double-throw radio frequency and microwave micro mechanical switch of warping film structure and producing method
03/02/2005CN1191659C Tunable microwave devices
03/01/2005US6862436 High frequency circuit board and antenna switch module for high frequency using the same
03/01/2005US6862001 High frequency communication device
03/01/2005US6861997 Parallel plate septum polarizer for low profile antenna applications
03/01/2005US6861985 Ferroelectric antenna and method for tuning same
03/01/2005US6861929 Low-pass filter
03/01/2005US6861928 Dielectric resonator filter
03/01/2005US6861924 Duplexer with improved transmission/receiving band separation
03/01/2005US6861922 Nonreciprocal circuit device including two series resonant circuits having differing resonant frequencies
03/01/2005US6861920 Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
03/01/2005US6861919 Irreversible circuit device with small insertion loss and excellent isolation having a Y-shaped ferrite
02/2005
02/24/2005US20050043001 Tunable phase shifter and applications for same