Patents for H01P 1 - Auxiliary devices (25,484)
08/1999
08/17/1999US5937509 Method of manufacturing linear-circular polarizer
08/12/1999WO1999040686A1 A method and circuit arrangement for reducing passband ripple of a bandpass filter
08/12/1999WO1999040646A2 A trimming arrangement and a method of manufacturing the same
08/12/1999WO1999040627A1 An electrical connecting element and a method of making such an element
08/11/1999EP0935307A1 Filter, method of manufacturing same, and component of a filter shell construction
08/11/1999EP0897601A4 Coplanar waveguide coupler
08/11/1999CN1225761A Arrangement for reducing intermodulation distortion of radio frequency signals
08/11/1999CN1225751A Two-frequency switch, device using two-frequency antenna in common and mobile radio communication equipment
08/10/1999US5936581 Radio frequency switch assembly
08/10/1999US5936494 In an electromagnetic radiation waveguide assembly
08/10/1999US5936493 Low cost, one-shot switch waveguide window
08/10/1999US5936492 Ribbon, bonding wire and microwave circuit package
08/10/1999US5936491 Dielectric filter
08/10/1999US5936490 Bandpass filter
08/10/1999US5936489 Dielectric microwave filter
08/10/1999US5936484 UHF phase shifter and application to an array antenna
08/10/1999US5936482 For routing signals in an operating frequency band
08/10/1999US5935910 Single crystal dielectric material is sapphire and ferroelectric material being mixed oxide of potassium, niobium, tantalum or mixed oxide of strontium, lead, titanium; made of sections of circular waveguide resonators
08/10/1999CA2177050C Dielectric antenna
08/05/1999WO1999039401A1 Time-delay device
08/05/1999DE19832565A1 Transmitter-receiver selection switching module used in portable telephone
08/04/1999EP0933831A1 Coplanar line filter and duplexer
08/04/1999EP0767975B1 Microwave switch
08/04/1999EP0677221B1 Method and arrangement for tuning a combiner filter
08/04/1999CN1224935A Dielectric resonator, dielectric filter using dielectric resonator and dielectric duplexer
08/04/1999CN1224912A High frequency switching device
08/03/1999US5933060 For frequencies in the microwave range and higher
08/03/1999US5932522 Resonator circuit connected by transmission line and having a first capacitor coupled between terminal and transmission line and a second capacitor coupled between transmission line and ground
08/03/1999CA2206966C Circular waveguide cavity and filter having an iris with an eccentric circular aperture and a method of construction thereof
07/1999
07/29/1999WO1999038268A1 A circuit arrangement for reducing passband ripple of a bandpass filter
07/29/1999WO1999038267A1 A circuit arrangement for reducing intermodulation in a bandpass filter system
07/29/1999DE19853453A1 Board shaped irreversible element e.g. circulator, isolator used in high frequency circuit
07/28/1999EP0932261A1 Muliplexer/demultiplexer for two RF bands
07/28/1999EP0932217A1 E-plane waveguide circulator
07/28/1999EP0932216A1 High-frequency composite unit
07/28/1999EP0932178A2 High frequency switching device
07/28/1999CN2331090Y S-wave section PIN diode phase shifter-switch module
07/28/1999CN1224253A 滤波器 Filter
07/27/1999US5930665 Wide frequency band transition between via RF transmission lines and planar transmission lines
07/27/1999US5930266 Multiplexing/demultiplexing an FDM of RF signal channels
07/27/1999US5929820 Scanning cup-dipole antenna with fixed dipole and tilting cup
07/27/1999US5929726 Dielectric filter device
07/27/1999US5929725 Dielectric filter using the TEM mode
07/27/1999US5929721 Ceramic filter with integrated harmonic response suppression using orthogonally oriented low-pass filter
07/27/1999US5926943 Braid shielded RF bellows
07/22/1999WO1999036985A1 Electromagnetic resonator
07/22/1999WO1999036983A1 Enhanced multicoupler
07/22/1999WO1999036982A2 Tunable ceramic filters
07/22/1999WO1999030383A3 Resonator structure
07/22/1999CA2315791A1 Electromagnetic resonator
07/21/1999EP0930701A2 Laminated filter
07/21/1999EP0930666A1 Dielectric filter and dielectric duplexer
07/20/1999US5926466 Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit
07/20/1999US5926080 For use in a process sealed level gage
07/20/1999US5926079 Ceramic waveguide filter with extracted pole
07/20/1999US5926078 Dielectric filter including various means of adjusting the coupling between resonators
07/20/1999US5926075 Antenna switch
07/20/1999US5926074 Nonreciprocal circuit device
07/20/1999US5926073 Nonreciprocal circuit device comprising first and second ferromagnetic bodies having different saturation magnetizations
07/20/1999CA2130225C Interconnection structure for crosstalk reduction to improve off-chip selectivity
07/15/1999WO1999026333A3 Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same
07/15/1999WO1999022564A3 Dielectric filter and method for adjusting bandpass characteristics of same
07/14/1999EP0929151A2 Filter
07/14/1999EP0929113A2 Low-loss air suspended radially combined patch for N-way RF switch
07/14/1999CN1223017A Radio frequency switch assembly
07/13/1999US5923232 Electrical apparatus for use at high altitudes
07/13/1999US5923229 Simultaneous polarization and frequency filtering of transmitter and receiver signals in single antenna systems
07/13/1999US5923228 Magnetostatic wave distributor, synthesizer and S/N enhancer
07/13/1999US5923224 Nonreciprocal circuit device
07/08/1999WO1999034474A1 Device for frequency selective suppression of high frequency signals
07/08/1999WO1999018630A9 Slot line band pass filter
07/07/1999EP0928040A1 Electromagnetic wave transmitter/receiver
07/07/1999EP0928039A1 Band elimination dielectric filter, dielectric duplexer and communication device using the same
07/07/1999EP0928038A1 Two-frequency switch, device using two-frequency antenna in common, and mobile radio communication equipment for two-frequency bands using the device
07/07/1999EP0927434A1 Thick film construct for quadrature translation of rf signals
07/07/1999CN1222257A 集成滤波器 Integrated filter
07/07/1999CN1221995A Dielectric filter, dielectrie duplexer, and communication device
07/07/1999CN1221886A Non radiative dielectric waveguide having portion for line converstion between different types of non radiative dielectric waveguides
07/06/1999US5920245 Nonradiative dielectric line apparatus including a specifically oriented circuit board
07/06/1999US5920244 Thin-film multilayered electrode, high-frequency resonator, and high-frequency transmission line
07/06/1999US5920243 Multi-layer thin-film electrode, for a high-frequency transmission line, resonator, and filter
07/06/1999US5919736 Electromagnetic resonant filter
07/01/1999DE19757892A1 Anordnung zur frequenzselektiven Unterdrückung von Hochfrequenzsignalen Arrangement for the frequency-selective suppression of radio-frequency signals
06/1999
06/30/1999EP0926761A1 Non radiative waveguide having a portion for line conversion between different types of non radiative dielectric waveguides
06/30/1999EP0926760A1 Electronic part having non-radiative dielectric waveguide and integrated circuit using the same
06/30/1999EP0926759A1 Dielectric filter and dielectric duplexer
06/30/1999EP0925616A1 Coplanar band pass filter
06/30/1999CN1221230A Electronic part having non-radiative dielectric waveguide and integrated circuit using the same
06/30/1999CN1221229A Band elimination filter and duplexer
06/29/1999US5917860 Digital transmitter utilizing a phase shifter having decoupled coplanar microstrips
06/29/1999US5917389 Monolithic dielectric microwave window with distributed cooling
06/29/1999US5917388 Compact microwave module
06/29/1999US5917385 For an rf signal line
06/29/1999US5917232 Dielectric-line integrated circuit
06/29/1999US5916683 Copper-clad laminate with prepreg of epoxy resin and aryl ester
06/24/1999WO1999031753A1 Nonradioactive dielectric line and its integrated circuit
06/23/1999EP0924855A2 Matching circuit chip, filter with matching circuit, duplexer and cellular phone
06/23/1999EP0924791A1 Bandpass filter
06/23/1999EP0924790A1 Filter and regulating element
06/22/1999US5914544 High-frequency switching circuit