Patents
Patents for H01P 3 - Waveguides; Transmission lines of the waveguide type (6,477)
06/2003
06/05/2003US20030104924 High dielectric constant;low loss over a frequency range of 1 kHz-1MHz; useful in capacitors in electronic devices
06/05/2003US20030103315 Coplanar switch
06/03/2003US6573813 All-dielectric coaxial waveguide with annular sections
06/03/2003US6573597 Cross-over for quasi-coaxial transmission lines fabricated on a substrate
06/03/2003US6572955 Mixed oxides of silicone, aluminum, magnesium, zinc and boron ,(30-50% by weight, crystal phase containing oxides of zinc and aluminum, 5-15% of crystal phase of silica and magnesium oxide, 40 to 60% amorphous silica or silica and boron oxide)
05/2003
05/28/2003EP1315230A1 High-frequency line and high-frequency circuit
05/28/2003CN1420578A Resonator, filter, antenna transmitting-receiving switching switch and HF circuit device
05/28/2003CN1110138C High-speed pulse signal shaping technique using lossy non-uniform microstrip line
05/27/2003US6570469 Multilayer ceramic device including two ceramic layers with multilayer circuit patterns that can support semiconductor and saw chips
05/27/2003US6570464 High frequency apparatus
05/27/2003US6570199 Semiconductor device and method of manufacturing the same
05/27/2003US6568067 Method of manufacturing the dielectric waveguide
05/22/2003WO2003043119A1 Strip-loaded dielectric substrates for improvements of antennas and microwave devices
05/22/2003US20030095020 RF circuit assembly
05/20/2003US6566975 Wiring board having parallel transmission lines to transmit equivalent signals in parallel
05/15/2003WO2003041212A2 Non-linear transmission line using varactors and non-parallel waveguide
05/15/2003WO2003040219A1 Microcellular foam dielectric for use in transmission lines
05/15/2003US20030092202 High-frequency integrated inductive winding
05/15/2003US20030091258 Optical transmission device
05/14/2003CN1417884A Curved waveguide element and transmission equipment comprising the element
05/08/2003US20030085780 Asymmetric high frequency filtering apparatus
05/07/2003EP1309033A2 An arrangement for radiating rf signals from a radio transmitter
05/07/2003EP1309030A1 Curved waveguide element and transmission device comprising the said element
05/07/2003EP1308769A2 Optical transmission device
05/07/2003EP1307899A1 Plasma lamp with dielectric waveguide
05/07/2003CN1416366A Microwave heating appts.
05/07/2003CN1416193A Multiplexing synthesizer/distributor
05/07/2003CN1415990A Light transmission device
05/07/2003CN1107989C Dielectric waveguide
05/06/2003US6559742 Flexible waveguide with rounded corrugations
05/06/2003US6559724 Techniques for enhancing gain in a quasi-optic grid array
05/02/2003EP1305842A1 A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different sizes of spacers
05/02/2003EP1205005B1 Microstrip for microwave applications
05/01/2003US20030080828 Curved waveguide element and transmission device comprising the said element
05/01/2003US20030080415 Cross-over for quasi-coaxial transmission lines fabricated on a substrate
04/2003
04/30/2003CN1107357C Dielectric integrated nonradiative dielectric waveguide superconducting band-pass filter device
04/30/2003CN1106824C Device containing differentially driven transmission line and computer chromatomograph X-ray camera system containing the device
04/29/2003US6556849 Switchable superconductive inductor
04/29/2003US6556101 Dielectric resonator, dielectric filter, dielectric duplexer, and communication device
04/29/2003CA2281450C High frequency low loss electrode
04/24/2003WO2003034636A2 High speed, controlled impedance air dielectric electronic backplane systems
04/24/2003US20030077924 High-frequency wiring board
04/23/2003EP1072061B1 Control impedance rf pin for extending compressible button interconnect contact distance
04/23/2003EP0864184B1 Device with circuit element and transmission line
04/23/2003CN1106742C Quadrature modulator operable in quast-microwave band of digital communication system
04/22/2003US6552636 Small-sized cylindrical waveguide bend having low reflection characteristic
04/22/2003US6552635 Integrated broadside conductor for suspended transmission line and method
04/17/2003WO2003032386A1 High-frequency module board device
04/17/2003WO2003032340A2 Sodium copper titanate compositions containing a rare earth, yttrium or bismuth
04/17/2003US20030071700 Coaxial type signal line and manufacturing method thereof
04/16/2003CN1411144A Device for screening strap wire and mfg. method thereof
04/16/2003CN1105927C Fabrication method for uniform planer optical waveguide
04/10/2003WO2003030298A1 Apparatus for generating a magnetic interface and applications of the same
04/08/2003US6545552 Local oscillator using non-radiative dielectric waveguide
04/08/2003CA2276979C Directional coupler, antenna device, and transmitting-receiving device
04/03/2003WO2003028040A1 Semi-rigid cable
04/03/2003US20030062974 Resonator, filter, duplexer, and high-frequency circuit apparatus
04/01/2003US6542662 Mode translating waveguide adapter for a quasi-optic grid array
04/01/2003US6542046 Directional coupler, antenna device, and radar system
04/01/2003US6541340 Method of manufacturing a semiconductor device with a concave trench
03/2003
03/26/2003EP1295356A1 Mode translating waveguide adapter for a quasi-optic grid array
03/26/2003EP1295334A2 Hermetic high frequency module and method for producing the same
03/25/2003US6538793 Electronically tunable and modulatable quasi-optic grid oscillator
03/25/2003US6538530 Junction structure of dielectric strip, nonradiative dielectric waveguide, and millimeter-wave transmitting/receiving apparatus
03/25/2003US6538528 T-circuit produced using microstrip technology with a phase-shifting element
03/25/2003US6538527 Resonator, filter, duplexer, and communication device
03/25/2003US6538524 Using electrically lossy transmission systems to reduce computer RF emissions
03/20/2003US20030053286 Shielded strip line device and method of manufacture thereof
03/19/2003EP1293011A1 Techniques for enhancing gain in a quasi-optic grid array
03/19/2003EP1293009A1 Multi-layer microwave circuits and methods of manufacture
03/19/2003EP1110267A4 Multilayer dielectric evanescent mode waveguide filter
03/18/2003US6535090 Compact high-frequency circuit device
03/18/2003US6535089 High-frequency circuit device and communication apparatus using the same
03/18/2003US6535088 Suspended transmission line and method
03/18/2003CA2262005C A phase control device
03/13/2003US20030048234 Antenna with a magnetic interface
03/13/2003US20030048158 Resonator, filter, duplexer, and communication device
03/11/2003US6531932 Microstrip package having optimized signal line impedance control
03/06/2003WO2003019723A1 Adjustable antenna feed network with integrated phase shifter
03/06/2003US20030043077 Apparatus for generating a magnetic interface and applications of the same
03/06/2003CA2457913A1 Adjustable antenna feed network with integrated phase shifter
03/05/2003EP1289048A2 Method of and apparatus for connecting waveguides
03/05/2003EP1287725A1 Trimming of embedded structures
03/05/2003EP1287581A1 Waveguide in multilayer structures
03/04/2003US6528732 Circuit device board, semiconductor component, and method of making the same
02/2003
02/27/2003US20030038691 Flexible waveguide with rounded corrugations
02/27/2003US20030038690 High-frequency waveguide and method of manufacturing the waveguide
02/26/2003CN1102297C Corrugated circular slot wave guide
02/25/2003US6525623 Multi-layer microwave circuits and methods of manufacture
02/25/2003US6523252 Coaxial cable, method for manufacturing a coaxial cable, and wireless communication device
02/20/2003US20030034854 Differential transmission line for high bandwidth signals
02/18/2003US6522214 Electrical transmission line arrangement with a cross-over
02/13/2003US20030030505 Coplanar waveguide switch
02/13/2003US20030030503 Method of and apparatus for connecting waveguides
02/12/2003CN1396674A Laminated dielectric filter
02/11/2003US6518864 Coplanar transmission line
02/11/2003US6518862 A magnetostatic wave element comprising a single crystal magnetic garnet film, wherein said film contains about 5 ppm or less by weight of Pb. A method for manufacturing a magnetostatic wave element having a single crystal magnetic
02/11/2003US6518844 Suspended transmission line with embedded amplifier
02/11/2003US6518706 Method for generating a short-pulsed microwave and an equipment for generating a short-pulsed microwave
02/11/2003CA2287036C Dielectric line converter, dielectric line unit, directional coupler, high-frequency circuit module, and transmitter-receiver
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