Patents for H01P 1 - Auxiliary devices (25,484)
11/2004
11/16/2004US6819198 Nonreciprocal circuit device and high-frequency circuit apparatus
11/16/2004US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator
11/16/2004US6818144 Ferroelectric/paraelectric materials, and phase shifter devices, true time delay devices and the like containing same
11/11/2004WO2004097985A1 Wideband antenna with transmission line elbow
11/11/2004WO2004097979A1 Microwave transmission unit including lightning protection
11/11/2004WO2004097972A1 Digital phase shifter
11/11/2004WO2004096730A2 Ceramic composition and method for making the composition
11/11/2004US20040223306 AC coupling circuit having a large capacitance and a good frequency response
11/11/2004US20040222925 Inverted-F ferroelectric antenna
11/11/2004US20040222869 Ferrite-filled, antisymmetrically-biased rectangular waveguide phase shifter
11/11/2004US20040222868 Radio frequency diplexer
11/11/2004US20040222492 On-die micro-transformer structures with magnetic materials
11/11/2004CA2523848A1 Digital phase shifter
11/10/2004EP1475857A1 Screw fixing device, high frequency equipment using the fixing device, and method of adjusting the characteristics of the high frequency equipment
11/10/2004EP1475856A1 Micromachine vibration filter
11/10/2004CN1545747A Tunable ferroelectric resonator arrangement
11/10/2004CN1545614A Apparatus for transmitting radio-frequency signals
11/10/2004CN1545215A Composite switching circuit and composite switching device
11/10/2004CN1545164A Low-loss high-selectivity and high-power multicavity filter
11/10/2004CN1175562C Dielectric laminating device and manufacture thereof
11/10/2004CN1175561C Low pass filter for high frequency application
11/10/2004CN1175515C Radio repeater using non-radiation dielectric waveguide
11/09/2004US6816714 Antenna interface unit
11/09/2004US6816711 GPS equipped mobile phone with single shared antenna
11/09/2004US6816668 Phase shifter having differently shaped interactive elements and an antenna system formed therefrom
11/09/2004US6816043 Wave-guide and a connector therefor
11/09/2004US6816037 Helical filters and methods for specifying assembly thereof
11/09/2004US6816034 Electronic part such as dielectric filter or duplexer and method of forming an electrode of such an electronic part
11/09/2004US6816032 Laminated low-profile dual filter module for telecommunications devices and method therefor
11/09/2004US6816027 Three-port nonreciprocal circuit device and communication apparatus
11/09/2004US6816026 Orthogonal polarization and frequency selectable waveguide using rotatable waveguide sections
11/09/2004US6815897 Magnetrons having a coaxial line output with unwanted mode energy reduction
11/09/2004US6815739 Radio frequency microelectromechanical systems (MEMS) devices on low-temperature co-fired ceramic (LTCC) substrates
11/04/2004WO2004095624A1 High frequency circuit
11/04/2004WO2004095622A1 Miniature rf stripline linear phase filters
11/04/2004WO2004094314A2 Conductor-within-a-via microwave launch
11/04/2004WO2004036929A3 HIGH SPEED CROSS-POINT SWITCH USING SiGe HBT TECHNOLOGY AND METHODS
11/04/2004US20040220044 Ceramic composition and method
11/04/2004US20040219838 Surge protected coaxial termination
11/04/2004US20040217830 RF multilayer circuit board
11/04/2004DE10320620B3 Hochfrequenzweiche High crossover
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
11/03/2004EP1473979A1 High-frequency layered part and manufacturing method thereof
11/03/2004EP1473847A1 Switch circuit and composite high-frequency part
11/03/2004EP1473797A2 Nonreciprocal circuit device
11/03/2004EP1473796A2 Dielectric waveguide
11/03/2004CN2653712Y Nail like hair pin structure microstrip filter for microwave communication
11/03/2004CN2653711Y Fork like hairpin type structure microstrip filter for microwave communication
11/03/2004CN2653710Y Combined structure high temperature microsting filter for microwave communication
11/03/2004CN2653709Y Combined sandwich structure high temperature superconduction microstrip filter
11/03/2004CN2653708Y Grouped hair pin structure microstrip filter for microwave communication
11/03/2004CN1543688A Millimeter wave filter for surface mount applications
11/03/2004CN1543431A Micro device
11/03/2004CN1543298A Multilayer ceramic device
11/03/2004CN1543009A 滤波器电路 The filter circuit
11/03/2004CN1174519C Irreversible circuit element
11/03/2004CN1174518C Non-reversible circuit device and communication equipment using said device
11/03/2004CN1174517C Cavity filter
11/03/2004CN1174516C Laminated dielectric resonator and laminated dielectric filter
11/02/2004US6813135 Variable capacitor and method for manufacturing same
11/02/2004US6812813 Method for adjusting frequency of attenuation pole of dual-mode band pass filter
11/02/2004US6812809 Method of tuning a summing network
11/02/2004US6812808 Aperture coupled output network for ceramic and waveguide combiner network
11/02/2004US6812806 High power switchable power combiner
11/02/2004US6812804 Broadband polarization filter
11/02/2004US6812742 Electronic device
11/02/2004CA2362965C Vertical interconnect between coaxial and rectangular coaxial transmission line via compressible center conductors
11/02/2004CA2194077C Dual-mode cavity filter
10/2004
10/28/2004WO2004093239A1 Low profile ceramic rf filter
10/28/2004WO2004093238A1 Integrated passive devices fabricated utilizing multi-layer, organic laminates
10/28/2004WO2004093237A1 Filter function-equipped high-frequency swithing circuit
10/28/2004WO2004075421A8 Broadband high-frequency slip ring system
10/28/2004US20040214712 mixed oxide of barium, magnesium, zirconium, tin, niobium, and tantalum; useful for dielectric resonator, a dielectric filter, a dielectric duplexer, and for a communication system
10/28/2004US20040212537 Wideband antenna with transmission line elbow
10/28/2004US20040212461 Miniaturized multi-layer coplanar wave guide low pass filter
10/28/2004US20040212460 Dielectric filter
10/28/2004US20040212457 High temperature superconducting tunable filter
10/28/2004US20040212449 Transverse mode control in a waveguide
10/28/2004US20040212446 Circulators and isolators with selectable operating regions
10/28/2004CA2520100A1 Low profile ceramic rf filter
10/27/2004EP1471594A1 Floating microwave filter in a waveguide structure
10/26/2004US6809696 Microwave components
10/26/2004US6809615 Band-pass filter and communication apparatus
10/26/2004US6809612 Dielectric block signal filters with cost-effective conductive coatings
10/26/2004US6809611 Composite filter, antenna duplexer, and communication apparatus
10/21/2004WO2004091051A1 Antenna device
10/21/2004WO2004091036A1 Passive component
10/21/2004WO2004091035A1 Wide-band circuit
10/21/2004WO2004091034A1 Waveguide branching filter/polarizer
10/21/2004US20040209581 Dual-mode bandpass filter, duplexer, and radio communication apparatus
10/21/2004US20040207499 Torsion spring for electro-mechanical switches and a cantilever-type RF micro-electromechanical switch incorporating the torsion spring
10/21/2004US20040207497 Torsion spring for electro-mechanical switches and a cantilever-type RF micro-electromechanical switch incorporating the torsion spring
10/21/2004US20040207495 Tunable resonant cavity using conductive fluids
10/21/2004US20040207494 Continuously tunable waveguide filter
10/21/2004US20040207493 Dual mode band-pass filter
10/21/2004US20040207483 Diplexers with low pass filter having distributed and non-distributed (lumped) elements
10/21/2004US20040207481 Continuously tunable waveguide attenuator
10/21/2004US20040207480 Nonreciprocal circuit element with input and output characteristic impedances matched
10/21/2004US20040207479 Two-port isolator and communication device
10/20/2004EP1469548A1 Microwave duplexer comprising dielectric filters, a T-junction, two coaxial ports and one waveguide port