Patents for H01P 1 - Auxiliary devices (25,484)
03/2004
03/09/2004US6703911 Very high frequency (VHF) sharp tuned elliptic filter and method
03/09/2004US6703909 Covering sheet, triplate line using the sheet, signal bus for computer using the sheet and covering structure of electronic circuit using the sheet
03/04/2004WO2004019508A1 Method and apparatus for modifying a radio frequency response
03/04/2004WO2004019493A1 Switch device
03/04/2004WO2004019443A1 Communication system with broadband antenna
03/04/2004US20040041670 Method of manufacturing a high-frequency switch, a high-frequency switch and an electornic apparatus
03/04/2004US20040041668 High-frequency circuit device and transmitter/receiver
03/04/2004US20040041667 Multi-polar cascade quadruplet band pass filter based on dielectric dual mode resonators
03/04/2004US20040041664 Microwave phase shifter and power amplifier
03/04/2004US20040041663 Dielectric waveguide type filter and branching filter
03/04/2004US20040041661 Dielectric filter, communication apparatus, and method of controlling resonance frequency
03/04/2004US20040041660 Laminated dielectric filter, and antenna duplexer and communication equipment using the same
03/04/2004US20040041659 Compact broadband divider/combiner
03/04/2004US20040041656 Dielectric waveguide and method of production thereof
03/04/2004US20040041655 Cooling to crypogenic temperature; generating, amplification of signal
03/04/2004US20040041654 Rotary attenuator and method of making it
03/04/2004US20040041650 Compact balun for 802.11a applications
03/04/2004US20040041649 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation
03/04/2004US20040041647 Nonreciprocal circuit element having excellent signal transmission efficiency and communication apparatus using same
03/04/2004US20040041646 Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
03/04/2004US20040041635 Parallel multistage band-pass filter
03/04/2004US20040040825 Techniques to fabricate a reliable opposing contact structure
03/04/2004DE10238947A1 Koplanarer Phasenschieber mit konstanter Dämpfung The coplanar phase shifters with constant damping
03/04/2004DE10108927B4 Nicht-reziprokes Schaltungsbauelement und dessen Verwendung Non-reciprocal circuit device and its use
03/04/2004CA2496053A1 Communication system with broadband antenna
03/03/2004EP1394894A1 Filter, high-frequency module, communication device and filtering method
03/03/2004EP1394893A1 Parallel multistage band-pass filter
03/03/2004EP1394892A1 Waveguide type ortho mode transducer
03/03/2004EP1394891A1 A polarization rotator
03/03/2004EP1393403A2 Tunable phase shifter and applications for same
03/03/2004EP1266421A4 High temperature superconductor tunable filter
03/03/2004CN1479952A Device for separting transomission and reception signals
03/03/2004CN1479951A Device for filtering electromagnetic waves
03/03/2004CN1479950A Coaxial pipe elbow and method of manufacturing the pipe elbow
03/03/2004CN1479406A Plane medium transmission line and integrated circuit using the transmission line
03/03/2004CN1479405A Structure of nonreciprocal circuit element
03/02/2004US6700792 High-frequency composite component and portable wireless device incorporating the component
03/02/2004US6700789 High-frequency wiring board
03/02/2004US6700462 Microstrip line filter combining a low pass filter with a half wave bandpass filter
03/02/2004US6700461 Dielectric resonator filter
03/02/2004US6700459 Resonator; microwave filters designed for narrow band applications
03/02/2004US6700172 Method and apparatus for switching high frequency signals
03/02/2004US6698082 Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode
02/2004
02/26/2004WO2004017454A1 Parallel plate waveguide structure
02/26/2004WO2004017453A1 Phase shifter for continuous phase modification
02/26/2004WO2003041271A3 Circuit board microwave filters
02/26/2004US20040038714 Cellular Antenna
02/26/2004US20040038661 Arrangement for operating various terminal devices
02/26/2004US20040036560 Coaxial tube elbow and method of manufacturing the pipe elbow
02/26/2004US20040036558 MEMS tunable filters
02/26/2004US20040036557 Dielectric filter
02/26/2004US20040036556 Notch filter system and method
02/26/2004US20040036553 Voltage tunable coplanar phase shifters
02/26/2004US20040036552 Two channels, high speed, RF switch
02/26/2004US20040036551 High-frequency module substrate device
02/26/2004US20040036549 Coupling element for a hf stripline structure
02/26/2004US20040036548 Irreversible circuit device with small insertion loss and excellent isolation
02/26/2004US20040036543 Resonator, filter, oscillator, duplexer, and communication apparatus
02/26/2004US20040036462 Microwave switching with illuminatd field effect transistors
02/25/2004EP1391963A1 Dielectric tube loaded metal cavity resonators and filters
02/25/2004EP1391906A2 Electrostatic RF mems switches
02/25/2004EP1157439B1 Waveguide directional filter
02/25/2004EP0922336B1 Arrangement for reducing intermodulation distortion of radio frequency signals
02/25/2004CN1478312A Process for securing microwave module to support
02/25/2004CN1140008C Band pass filter, antenna shared device and communication device
02/25/2004CN1140007C Medium filter, antenna shared device and communication device
02/24/2004US6697605 High-frequency circuit apparatus and communication apparatus
02/24/2004US6696905 Dielectric filter device having perpendicular bores for improved pass band characteristics
02/24/2004US6696904 Duplex/diplexer having two modularly constructed filters
02/24/2004US6696903 Laminated dielectric filter, and antenna duplexer and communication equipment using the same
02/24/2004US6696901 Concentrated constant irreciprocal device
02/24/2004US6696648 Method for dispensing adhesive on a circuit-board carrier member and circuit-board provided thereby
02/24/2004US6694601 Method of adjusting characteristics of dielectric filter
02/24/2004CA2292148C Resonator, filter and duplexer having spirally arranged conductive lines
02/19/2004WO2004015809A2 Phased array antenna for space based radar
02/19/2004US20040034489 High frequency module board device
02/19/2004US20040032306 Three-port nonreciprocal circuit device and communication apparatus
02/19/2004US20040032305 Polarization rotationer
02/19/2004US20040031670 Method of actuating a high power micromachined switch
02/18/2004EP1389899A1 Portable power amplifier
02/18/2004EP1389353A1 Transmission line
02/18/2004CN1476649A Waveguide and connector therefor
02/18/2004CN1476633A High-frequency module board device
02/18/2004CN1476188A Time division duplex radio communication system receivel/send linear switch circuit and its realizing method
02/18/2004CN1476165A Transmission line type noise filter with weak heating performance
02/18/2004CN1476091A Electronic circuit with transmission line type noise filter
02/18/2004CN1139143C Microwave component
02/17/2004US6693593 High frequency circuit with a connection for a printed antenna
02/17/2004US6693498 SPDT switch and communication unit using the same
02/17/2004US6693497 Device for converting circularly oscillating electromagnetic radiation beams into linearly oscillating radiation beams
02/12/2004WO2004105175A1 Ring filter and broad-bandpass filter using same
02/12/2004WO2004013989A1 Bias-t apparatus and center conductor of the same
02/12/2004WO2004013929A1 Automated dielectric resonator placement and attachment method
02/12/2004WO2004013928A1 Transmission line and semiconductor integrated circuit device
02/12/2004WO2004013927A1 High frequency circuit
02/12/2004WO2004013898A2 Sealed integral mems switch
02/12/2004US20040029540 Dielectric resonator filter
02/12/2004US20040028838 Using microwave frequency; barium strontium titanate as buffer during annealing
02/12/2004US20040028501 Tuning screw assembly
02/12/2004US20040027773 Arc suppression in waveguide using optical detector and forced air