Patents for H01P 1 - Auxiliary devices (25,484)
07/2004
07/06/2004US6759927 Isolation shield assembly for electrical filters and a method of manufacturing electrical filters including same
07/06/2004US6759925 Radio-frequency hybrid switch module
07/06/2004US6759919 Low intermodulation film microwave termination
07/06/2004US6759916 High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same
07/06/2004CA2339719C Microwave module for separating high frequency transmission signals and high frequency reception signals on the basis of their frequencies
07/01/2004WO2004055936A1 Non-reciprocal circuit element
07/01/2004WO2004055935A1 Varactor apparatuses and methods
07/01/2004US20040127345 Dielectrics, a dielectric constant above 9000, heat resistance; phase shifters, matching networks, oscillators, filters, resonators, and antennas, capacitors, waveguides
07/01/2004US20040127182 High-frequency device, high-frequency module and communications device comprising them
07/01/2004US20040127178 Tunable duplexer
07/01/2004US20040126055 Photonic crystal interferometric switch
07/01/2004US20040124954 Composite microwave multiplexer with low coefficient of thermal expansion and method of manufacture
07/01/2004US20040124951 Micromachine vibration filter
07/01/2004US20040124948 Continuously variable filter
07/01/2004US20040124947 S/N enhancer
07/01/2004US20040124944 Transmit/receiver combiner using shunt admittance elements for isolation
07/01/2004US20040124942 Transmission line and semiconductor integrated circuit device
07/01/2004US20040124939 Circulators and isolators with variable operating regions
07/01/2004DE19857062B4 Verfahren zum Herstellen eines dielektrischen Filters A method of manufacturing a dielectric filter
06/2004
06/30/2004EP1434299A1 Microwave filter with adaptive predistortion
06/30/2004EP1434059A2 Tx/Rx switch for preventing a frequency drift of local oscillator
06/30/2004EP1433220A1 Inverted coplanar waveguide coupler with integral microstrip connection ports
06/30/2004EP1433219A1 Electrically tunable bandpass filters
06/30/2004EP1433218A1 A tunable ferroelectric resonator arrangement
06/30/2004CN1508978A Antenna convertion module having amplifying function
06/30/2004CN1508903A Duplexer and communication apparatus
06/30/2004CN1508902A Dielectric wavefilter conductive cover, dielectric wavefilter, dielectric duplexer and communication apparatus
06/30/2004CN1156192C Band-pass filter
06/30/2004CN1156048C Multimode medium resonator, filter, receiver-transmitter and communication apparatus
06/30/2004CN1155655C Epoxy resin composition
06/29/2004US6756948 Adjustable azimuth and phase shift antenna
06/29/2004US6756947 Tunable slot antenna
06/29/2004US6756939 Phased array antennas incorporating voltage-tunable phase shifters
06/29/2004US6756866 Phase shifting waveguide with alterable impedance walls and module utilizing the waveguides for beam phase shifting and steering
06/29/2004US6756865 Resonator device, filter, duplexer, and communication apparatus using the same
06/29/2004US6756861 Junction for orthogonally oriented waveguides
06/29/2004US6756859 R.F. antenna switch for use with internal and external antennas
06/29/2004US6756857 Planar circuit
06/29/2004US6755817 Device for medical treatment of the eye using laser illumination
06/24/2004WO2004054117A2 A Power Line Communication System and Method of Operating the Same
06/24/2004WO2004054033A1 Tunable high-frequency filter arrangement and method for the production thereof
06/24/2004WO2004054031A1 Bandpass filter with pseudo-elliptic response
06/24/2004WO2004038848A3 Mems capacitor for tuning of microstrip filters
06/24/2004US20040121752 High Frequency switch
06/24/2004US20040121510 Contact switch and apparatus provided with contact switch
06/24/2004US20040119565 High-frequency wiring board
06/24/2004US20040119564 Input/output coupling structure for dielectric waveguide resonator
06/24/2004US20040119563 Conductive cover for dielectric filter, dielectric filter, dielectric duplexer, and communication apparatus
06/24/2004US20040119562 Duplexer and communication apparatus
06/24/2004US20040119558 Attenuator
06/24/2004US20040119555 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation
06/24/2004US20040119553 Center-tap termination circuit and printed circuit board having the same
06/24/2004US20040119552 Electromagnetic termination with a ferrite absorber
06/24/2004US20040119551 Transmission line termination
06/24/2004US20040119550 Ferrite variable power divider
06/24/2004US20040119054 Substituted barium titanate and barium strontium titanate ferroelectric compositions
06/24/2004CA2505434A1 A power line communication system and method of operating the same
06/23/2004EP1432136A2 Noise filter
06/23/2004EP1432133A1 Duplexer and communication apparatus
06/23/2004EP1432063A1 A transmission line termination
06/23/2004EP1432062A1 Electromagnetic termination with a ferrite absorber
06/23/2004EP1432000A1 Millimeter wave switches
06/23/2004EP1431991A2 Incomplete mechanical contacts for microwave switches
06/23/2004CN1507672A Transmission line type components
06/23/2004CN1507162A Delaying matcher
06/23/2004CN1507109A Input and output combined structure for dielectric-filled waveguide resonator
06/23/2004CN1507108A Long microstrip resonator and its microwave filter
06/23/2004CN1507107A Microstrip line resonator and its microwave filter
06/23/2004CN1507106A Non-reciprocal circuit apparatus and communication apparatus
06/23/2004CN1507104A High-frequency circuit device
06/23/2004CN1155136C Super broad frequency band type straight line-circular polarized wave inverter
06/22/2004US6753746 Printed circuit board having jumper lines and the method for making said printed circuit board
06/22/2004US6753744 High efficiency three port circuit
06/22/2004US6753743 Waveguide for microwave device including a frame with waveguide grooves therein
06/17/2004WO2004051788A1 Resonance filter
06/17/2004WO2004051787A2 Tunable coupling
06/17/2004WO2004027917A3 Dielectric resonator adn tunable microwave filter using the same
06/17/2004US20040116089 High frequency composite component
06/17/2004US20040116082 Antenna switching module having amplification function
06/17/2004US20040114995 Method and apparatus for RF coaxial connections
06/17/2004US20040113861 Support structure for antennas, transceiver apparatus and rotary coupling
06/17/2004US20040113757 Power line communication system and method of operating the same
06/17/2004US20040113747 Apparatus, methods and articles of manufacture for a multi-band switch
06/17/2004US20040113727 RF-mems switch
06/17/2004US20040113726 Apparatus and method for shorting waveguide
06/17/2004US20040113723 Screw fixing device, high frequency equipment using the fixing device, and method of adjusting the characteristics of the high frequency equipment
06/17/2004US20040113717 Coupling device using buried capacitors in multilayered substrate
06/17/2004US20040113715 MEMS millimeter wave switches
06/17/2004US20040113714 Incomplete mechanical contacts for microwave switches
06/17/2004US20040113711 Grouped element transmission channel link
06/17/2004US20040113710 Nonreciprocal circuit device and communication device
06/16/2004EP1429464A1 High frequency module and radio device using the same
06/16/2004EP1429457A2 Cavity or dielectric resonator tuning device
06/16/2004EP1429414A1 Nonreciprocal circuit device and communication device
06/16/2004EP1429413A1 RF-MEMS switch
06/16/2004EP1428289A1 Tunable filters having variable bandwidth and variable delay
06/16/2004EP1428288A2 Coupling element for a hf stripline structure
06/16/2004EP1428287A2 Waveguide foreign object damage prevention window
06/16/2004EP1177593A4 High temperature superconductor tunable filter
06/16/2004CN1505202A Non-reciprocal circuit element having small insertion loss and wide isolation bandwidth, and communication device