Patents for H01P 1 - Auxiliary devices (25,484)
04/2004
04/07/2004EP1406342A1 Duplexer, and laminate-type high-frequency device and communication equipment using the same
04/07/2004EP1406341A1 Waveguide input apparatus of two orthogonally polarized waves including two probes attached to a common board
04/07/2004EP1406281A2 Capacitive micro-electro mechanical switch and method of manufacturing the same
04/07/2004EP1405364A1 Filter with improved intermodulation distortion characteristics and methods of making the improved filter
04/07/2004CN1145259C Laminated resonator and laminated band-pass filter using the same resonator
04/07/2004CN1145237C Non-radiative dielectric waveguide having linear conversion partion beteen different types of waveguides
04/07/2004CN1144772C Dielectric ceramic composition and dielectric device
04/06/2004US6717553 Primary radiator having excellent assembly workability
04/06/2004US6717491 Hairpin microstrip line electrically tunable filters
04/06/2004CA2341758C Multilayer dielectric evanescent mode waveguide filter
04/01/2004WO2004027926A1 Antenna device and transmitting/receiving device
04/01/2004WO2004027917A2 Dielectric resonator adn tunable microwave filter using the same
04/01/2004WO2003079558A3 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
04/01/2004WO2002067361A8 Microwave circulator
04/01/2004US20040061578 Switching system
04/01/2004US20040061546 High frequency switch
03/2004
03/31/2004EP1212809B1 Serially-fed phased array antennas with dielectric phase shifters
03/31/2004CN2609200Y Coaxial cavity resonator compatibility coupled structure
03/31/2004CN1486520A 高频电路元件及高频电路模块 Frequency circuit element and a high frequency circuit module
03/31/2004CN1485873A Electrostatic rf mems switches
03/31/2004CN1485863A Noise filter
03/31/2004CN1144317C Dielectric waveguide non-reversible electric circuit device and radio equipment therewith
03/31/2004CN1144316C Dielectric filter, T-R duplexer and communication machine
03/31/2004CN1144315C Medium wave filter, receiving-sending shared device and communication apparatus
03/30/2004US6714166 Converter for satellite broadcast reception that secures isolation between vertically polarized waves and horizontally polarized waves
03/30/2004US6714165 Ka/Ku dual band feedhorn and orthomode transduce (OMT)
03/30/2004US6714103 TEM band pass filter having an evanescent waveguide
03/30/2004US6714096 Waveguide directional filter
03/30/2004US6713695 RF microelectromechanical systems device
03/30/2004US6712647 Terminated coaxial connector
03/30/2004US6712644 Coaxial line section assembly and method with VSWR compensation
03/30/2004US6711912 Cryogenic devices
03/25/2004WO2004025771A1 Miniaturised radio frequency component
03/25/2004WO2003081795A3 Passive intermodulation interference control circuits
03/25/2004US20040056738 Resonator and filter
03/25/2004US20040056737 Canonical general response bandpass microwave filter
03/25/2004US20040056736 High frequency circuit element and high frequency circuit module
03/25/2004US20040056731 Nonreciprocal circuit device and communication device using same
03/25/2004US20040056730 Tunable voltage controlled oscillator
03/25/2004US20040055703 Process for securing a microwave module to a support
03/25/2004US20040055693 Ceramic laminated device, communication equipment and method of manufacturing ceramic laminated device
03/25/2004DE10120507B4 Filter mit mehreren Elementen Filter with several elements
03/24/2004EP1401046A1 Nonreciprocal circuit element and method of manufacturing the same
03/24/2004EP1401045A1 High-frequency device, high-frequency module and communication device comprising them
03/24/2004CN1484341A Waveguide input apparatus of two orthogonally polarized waves
03/24/2004CN1484340A Polarization rotationer
03/24/2004CN1143447C Signal combining device and method for radio communication
03/24/2004CN1143407C High frequency filter
03/23/2004US6711394 RF receiver having cascaded filters and an intermediate amplifier stage
03/23/2004US6710813 Multiplexer for adjacent NTSC and DTV channels
03/23/2004US6710745 High-frequency communication apparatus and method of manufacturing the same
03/23/2004US6710685 Waveguide interconnection system
03/23/2004US6710679 Analog rat-race phase shifters tuned by dielectric varactors
03/23/2004US6710678 Waveguide type duplex filter
03/23/2004US6710674 Waveguide fitting
03/23/2004US6710672 Nonreciprocal circuit device, communication apparatus, and method for manufacturing nonreciprocal circuit device
03/23/2004US6710671 Nonreciprocal circuit device and method of fabricating the same
03/23/2004US6710256 Apparatus for connecting high-frequency circuit boards provided with connecting electrodes formed on bar-shaped member
03/23/2004CA2439725A1 Very high frequency (vhf) sharp tuned elliptic filter and method
03/18/2004WO2004023670A1 A 2v spdt switch for high power rf wireless applications
03/18/2004WO2004023596A1 Attenuation or termination element having a coaxial structure for high-frequency electromagnetic waves
03/18/2004US20040053014 Multilayer printed circuit board
03/18/2004US20040051604 Device for carrying out the non-contact rotational transmission of high-frequency
03/18/2004US20040051603 Cross-coupled dielectric resonator circuit
03/18/2004US20040051602 Dielectric resonators and circuits made therefrom
03/18/2004US20040051599 Method and apparatus for producing time-delayed microwave signals
03/18/2004US20040050675 High cycle cantilever MEMS devices
03/18/2004US20040050587 Transmission line and device including the same
03/18/2004DE19962764B4 Verfahren zum Abstimmen eines Filters mit mehreren gekoppelten Resonatoren A method for tuning a filter with a plurality of coupled resonators
03/18/2004DE19842218B4 Dielektrisches Filter A dielectric filter
03/17/2004EP1398844A1 Bandpass filter
03/17/2004EP1398804A2 Variable capacitor and method for manufacturing same
03/17/2004CN1482703A Three-port nonreciprocal circuit device and communication apparatus
03/16/2004US6707426 Compact, vibration-resistant circularly polarized wave antenna
03/16/2004US6707353 Dielectric filter
03/16/2004US6707350 Distributive multiplexer for space applications
03/16/2004US6707017 High-power microwave window
03/16/2004US6706981 Techniques to fabricate a reliable opposing contact structure
03/11/2004WO2004021504A1 Co-planar constant-attenuation phase modifier
03/11/2004WO2004021383A2 Reliable opposing contact structure and techniques to fabricate the same
03/11/2004WO2003079482A3 Tunable superconductor resonator or filter
03/11/2004US20040048634 High-frequency composite switch module
03/11/2004US20040047555 Isolator for greatly attenuating signal transmitted in reverse direction over wide frequency band
03/11/2004US20040046623 Tunable coupling iris and method
03/10/2004EP1396935A1 Compact balun for 802.11a applications
03/10/2004EP1396934A1 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation
03/10/2004EP1396904A2 Dual mode band pass filter
03/10/2004EP1396903A2 Dielectric waveguide line and its branch structure
03/10/2004EP1396901A2 Dielectric waveguide bend
03/10/2004EP1396900A2 High frequency component and communication apparatus incorporating the same
03/10/2004EP1396090A1 Transmit/receive switch for an rf transceiver
03/10/2004EP1396041A1 Compact high power analog electrically controlled phase shifter
03/10/2004CN1481189A High frequency element
03/10/2004CN1481092A Converter for receiving satellite broadcast
03/10/2004CN1481091A Converter for receiving satellite broadcast
03/10/2004CN1480972A Variable capacitor element and its mfg. method
03/10/2004CN1141753C 微波同轴固定衰减器 Microwave coaxial fixed attenuator
03/10/2004CN1141752C Dielectric filter, dielectrie duplexer, and communication device
03/09/2004US6704184 Arc suppression in waveguide using optical detector and forced air
03/09/2004US6703912 Dielectric resonator devices, dielectric filters and dielectric duplexers